Compare Business Software for Codex CLI: September 2026 Reviews & Comparison

GPT-5.6 Sol

OpenAI

GPT-5.6 Sol is a next-generation OpenAI model designed for advanced reasoning, coding, agentic workflows, biology analysis, cybersecurity support, and complex knowledge work. It is part of the GPT-5.6 model family alongside Terra and Luna, with Sol positioned as the flagship model for the most demanding tasks. The model introduces a new max reasoning effort for deeper thinking and an ultra mode that uses subagents to accelerate complex work beyond a single-agent approach. GPT-5.6 Sol shows strong performance in command-line coding workflows, long-horizon security tasks, genomics analysis, vulnerability research, debugging, patch development, and defensive testing. OpenAI pairs the model’s stronger capabilities with layered safeguards, real-time misuse classifiers, account-level review, automated red-teaming, and enterprise controls for sensitive workflows. GPT-5.6 Sol helps developers, enterprises, researchers, and security teams complete sophisticated technical work.

1 Rating

Starting Price: $4 per 1M tokens (input)

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GPT-6 Astra

OpenAI

GPT-6 Astra is OpenAI’s frontier AI model for computer use, software engineering, scientific research, cybersecurity, browsing, and complex professional work. It combines advanced reasoning with agentic capabilities that allow it to navigate software, use tools, conduct research, manipulate data, troubleshoot systems, and complete multistep workflows. Astra is also designed to produce polished documents, spreadsheets, presentations, websites, applications, and other business or technical artifacts while following existing templates and organizational standards. In Codex, the model introduces improved long-running context management that can preserve notes and retrieve information from earlier context windows during extended software engineering tasks. OpenAI positions Astra as its most aligned model to date, with improvements in respecting task boundaries, interpreting user intent, communicating limitations, and avoiding unauthorized actions.

1 Rating

Starting Price: $10 per 1M tokens (input)

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GPT-6 Luna

OpenAI

GPT-6 Luna is OpenAI’s cost-efficient GPT-6 model designed for everyday professional work, coding, computer use, and agentic applications at scale. It brings many of the advances introduced with GPT-6 Astra to a faster and substantially lower-cost model while improving on GPT-5.6 Luna in capability and factual reliability. The model supports adjustable reasoning effort, allowing applications to spend more compute on harder tasks and less on simpler requests. GPT-6 Luna can handle software engineering, multi-step business workflows, computer interaction, and other tool-using tasks that benefit from low operating cost. Improved GPT-6 prompt caching helps long-running agents reuse more context, respond faster, and reduce the cost of repeated input. GPT-6 Luna is available in ChatGPT Work, Codex, the ChatGPT desktop app for Free and Go users, and the OpenAI API as gpt-6-luna.

1 Rating

Starting Price: $0.10 per 1M tokens (input)

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GPT-6 Sol

OpenAI

GPT-6 Sol is an OpenAI model designed to bring GPT-6-class intelligence to professional work, coding, computer use, and agentic workflows at a lower cost than GPT-6 Astra. The model improves on GPT-5.6 Sol in factual reliability, software engineering, business automation, and long-horizon computer tasks. Developers can adjust reasoning effort depending on task complexity, allowing Sol to allocate more computation to difficult problems while using less for simpler work. GPT-6 Sol also introduces a clearer collaboration style with less jargon, fewer unnecessary details, and more concise technical communication. Improved prompt caching helps agents reuse long contexts more efficiently while reducing latency and cached-input costs. GPT-6 Sol is available through ChatGPT Work, Codex, and the OpenAI API as gpt-6-sol.

1 Rating

Starting Price: $2 per 1M tokens (input)

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GPT-5.6 Terra

OpenAI

GPT-5.6 Terra is a balanced model in the GPT-5.6 series designed for everyday work, coding, agentic workflows, cybersecurity support, biology analysis, and enterprise automation. It sits between GPT-5.6 Sol, the flagship model, and GPT-5.6 Luna, the faster and lower-cost option. Terra is positioned to deliver competitive performance to GPT-5.5 while being significantly cheaper to run. The model supports improved reasoning, coding, tool coordination, long-horizon workflows, and legitimate defensive security work. It is part of a model family built with layered safeguards, including trained refusals, real-time misuse classifiers, account-level review, differentiated access, monitoring, and continued red-team testing. GPT-5.6 Terra helps developers, enterprises, and technical teams access strong AI capabilities with a more practical balance of intelligence, speed, and cost.

1 Rating

Starting Price: $2 per 1M tokens (input)

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GPT-5.6 Luna

OpenAI

GPT-5.6 Luna is the fast and affordable model in OpenAI’s GPT-5.6 series, built to bring strong capability to users and developers who need practical intelligence with lower overhead. In the new GPT-5.6 naming system, the number identifies the model generation, while Sol, Terra, and Luna identify durable capability tiers that can advance on their own cadence, giving people and developers clearer choices across intelligence, speed, and cost. Luna sits alongside Sol, the flagship model, and Terra, the balanced model for everyday work, as part of a family designed for broader access to next-generation AI. During the limited preview, GPT-5.6 models are initially available through the API and Codex to a select group of trusted partners and organizations, with plans for broader availability in ChatGPT, Codex, and the API. OpenAI developed GPT-5.6 Sol, Terra, and Luna with its most robust safeguards to date, with configurations matched to each model’s capabilities.

1 Rating

Starting Price: $0.20 per 1M tokens (input)

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Muse Spark 1.2

Meta

Muse Spark 1.2 is Meta’s coding-focused model update designed to power Muse Code and improve software engineering workflows. The model is built for code generation, complex debugging, codebase understanding, long-horizon development tasks, and end-to-end developer workflows. Muse Spark 1.2 was co-trained with Muse Code to improve performance inside the terminal coding agent environment. It supports planning, goal conditioning, context compaction, subagent coordination, and iterative coding workflows across large repositories. The model was trained with expanded coding compute, diverse development environments, self-improvement loops, and long-running engineering tasks. Built for AI developers and software teams, Muse Spark 1.2 helps agents plan, write, validate, debug, and optimize code with greater autonomy.

1 Rating

Starting Price: $1.25 per 1M tokens (input)

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Muse Spark 1.1

Meta

Muse Spark 1.1 is a multimodal reasoning model from Meta Superintelligence Labs built for agentic tasks, coding, computer use, tool use, and multimodal understanding. The model improves on the original Muse Spark with stronger performance in planning, orchestration, long-context work, coding workflows, and external app interactions. Muse Spark 1.1 can manage a 1 million token context window, remember earlier actions, retrieve important information, compact context, and delegate tasks across parallel subagents. It is designed to operate across tools, MCP servers, custom skills, browsers, native apps, scripts, images, video, PDFs, and audio-based workflows. Developers can access Muse Spark 1.1 through the new Meta Model API public preview, while users can try it in Thinking mode in the Meta AI app and on meta.ai.

1 Rating

Starting Price: $1.25 per 1M tokens (input)

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GPT-5.5

OpenAI

GPT-5.5 is an advanced AI model designed to handle complex, real-world tasks with greater autonomy and efficiency. It quickly understands user intent and can execute multi-step workflows such as coding, research, data analysis, and document creation with minimal guidance. Instead of requiring step-by-step instructions, GPT-5.5 plans tasks, uses tools, evaluates outputs, and continues working until completion. It excels in knowledge work, software development, and analytical problem-solving, helping users move from idea to execution faster. The model is built to operate across tools and environments, making it highly effective for modern digital workflows. With strong reasoning and persistence, GPT-5.5 enables individuals and teams to complete demanding work more efficiently and accurately.

1 Rating

Starting Price: $5 per 1M tokens (input)

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SoMin

SoMin.ai

SOMIN is an agentic AI marketing platform that turns real-time competitor and audience intelligence into pre-scored, market-ready creative concepts, cutting campaign planning from weeks to a median of 13 minutes per brief. Four modules work in one end-to-end workflow: Brand Tracker decodes every competitor ad across Meta, Google, TikTok and YouTube daily; Perspective Studies maps open audience tensions and propositions; Expressions engineers channel-ready concepts and briefs; and Ad Scoring predicts CTR and engagement at 78% accuracy (about 3x the human baseline). Four AI agents (strategist, planner, creative, validator) work each brief in minutes. Results: 75% lower research cost, 3x more granular segmentation, 40+ hours reclaimed per cycle. Recognized as a Gartner Cool Vendor in Marketing AI. Trusted by P&G, Audi, Ferrari, Nestle, KFC, Mothercare and McDonald's, and by agency teams at Dentsu, OMG, GroupM, Havas and Publicis.

1 Rating

Starting Price: Contact Sales

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Melaya

Melaya Labs LLC

Melaya is a platform for building and running AI agents across business tools, browsers and Android apps, with six connected products: - Melaya Agents: A visual builder for workflows and multi-agent teams. Combines models, tools, memory, schedules and approval steps in replayable runs. - Melaya Assistant: One conversational workspace for working across connected business systems, using approved tools and shared context. - Melaya Device Control: AI agents that operate real Android apps through accessibility, without root or a dedicated API integration. - Melaya Browser Control: Agents that navigate and act inside your browser, with selected tabs, site permissions, live observation and manual takeover. - Melaya MCP Server: Gives existing AI assistants including Claude, ChatGPT and Cursor, access to Melaya’s tools, browser control, mobile agents and workflows through one connection. - Melaya Marketing: A unified suite for AI SEO audits, backlink building, advertising and analytics

1 Rating

Starting Price: $0

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GitHub

GitHub is the world’s most secure, most scalable, and most loved developer platform. Join millions of developers and businesses building the software that powers the world. Build with the world’s most innovative communities, backed by our best tools, support, and services. If you manage multiple contributors , there’s a free option: GitHub Team for Open Source. We also run GitHub Sponsors, where we help fund your work. The Pack is back. We’ve partnered up to give students and teachers free access to the best developer tools—for the school year and beyond. Work for a government-recognized nonprofit, association, or 501(c)(3)? Get a discounted Organization account on us.

21 Ratings

Starting Price: Free

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ChatGPT

OpenAI

ChatGPT is an AI-powered assistant designed to help users get answers, generate ideas, and complete tasks more efficiently. It supports a wide range of activities, including writing, brainstorming, coding, and research. Users can interact with ChatGPT through text or voice, making it flexible for different use cases. The platform can summarize information, analyze data, and provide insights to improve productivity. It also assists with creative tasks such as content creation, planning, and problem-solving. ChatGPT includes workspace agents that can automate workflows, handle repetitive tasks, and operate across tools. These agents can run tasks independently, such as generating reports or managing processes on a schedule. Overall, ChatGPT serves as a versatile tool for both personal and professional use.

9 Ratings

Starting Price: Free

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Salesflare

Salesflare is a B2B sales CRM for small and medium-sized businesses that keeps itself up to date automatically. It captures contacts, companies, emails, meetings and relationship data, so sales teams spend less time maintaining their CRM and more time following up with customers. Connect your email and calendar and Salesflare automatically builds complete customer timelines, enriches contact and company information, and gives your team the context it needs to manage relationships and opportunities effectively. Salesflare includes visual sales pipelines, automated follow-up reminders, email sequences, email and website tracking, lead scoring, relationship intelligence, customizable dashboards and mobile apps. Because Salesflare captures customer and relationship data automatically, its AI can work from richer and more up-to-date context. It can help write emails, summarize customer timelines, suggest follow-ups and prepare for meetings. Salesflare is especially suited to rel

7 Ratings

Starting Price: $29/month/user

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Stonify

Built by stone fabricators, for stone fabricators. Stonify is stone fabrication software for quoting, drawing, slab inventory, production scheduling, and installation planning. It helps shops replace spreadsheets and disconnected tools with one system that reduces errors, saves time, and keeps jobs moving from estimate to install. Because it’s built around real stone fabrication workflows, teams can adopt it without disrupting how they already work. Key features: Quoting and estimating Drawing and layout support Slab inventory and material tracking Production scheduling Installation planning Job documents, reporting, and visibility

5 Ratings

Starting Price: $100

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Magic Hour

Magic Hour AI, Inc.

Magic Hour is an all-in-one AI video, image, and audio creation platform for creators, marketers, agencies, ecommerce teams, and developers. Create and edit content in your browser with 100+ tools, including AI video generation, text-to-video, image-to-video, video-to-video, face swap, lip sync, talking photo, AI image generation and editing, virtual try-on, image upscaling, voice generation, and automatic subtitles. Start free without signing up; no download is required. Paid plans add watermark-free exports, commercial usage rights, higher limits, and API access. Developers can automate media generation with the REST API, official SDKs, webhooks, and hosted MCP server for Claude, Claude Code, and Codex. Credits roll over, and generation errors automatically refund credits. Magic Hour serves more than 3 million creators worldwide and works on desktop and mobile web.

4 Ratings

Starting Price: $10/month (billed annually)

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OpenAI

OpenAI’s mission is to ensure that artificial general intelligence (AGI)—by which we mean highly autonomous systems that outperform humans at most economically valuable work—benefits all of humanity. We will attempt to directly build safe and beneficial AGI, but will also consider our mission fulfilled if our work aids others to achieve this outcome. Apply our API to any language task — semantic search, summarization, sentiment analysis, content generation, translation, and more — with only a few examples or by specifying your task in English. One simple integration gives you access to our constantly-improving AI technology. Explore how you integrate with the API with these sample completions.

3 Ratings

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Butterbase

Butterbase is a backend-as-a-service (BaaS) platform purpose-built for developers and non-developers who build apps with AI coding tools. Connect Butterbase to your AI coding tool — Claude Code, Cursor, Windsurf, Codex, Copilot, or any MCP-compatible tool — and your entire backend is provisioned automatically. Describe what you need in natural language and get a production-ready Postgres database, authentication, REST APIs, real-time subscriptions, file storage, and edge functions in seconds. No SQL, no DevOps, no backend experience required.

1 Rating

Starting Price: $0/month

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AppControl

AppControl Labs LLC

AppControl is a free advanced Task Manager for Windows with full history. Scroll back through days of system activity to see exactly what spiked your CPU, filled RAM, maxed the GPU or disk, or overheated your PC, with CPU and GPU temperature tracking over time. Built-in privacy monitoring reveals which apps accessed your webcam, microphone, or location, plus hidden installs and background tasks. Go beyond End Task: permanently disable problem apps, block entire publishers with one click, and build custom rules that stay enforced. Real-time alerts flag new or unusual apps and privacy access the moment they happen. Every process gets a plain-language description, so you can skip the web search. An optional open-source MCP extension connects Claude, Cursor, or other AI tools so you can ask about your PC's activity in plain English, and a CLI is included for power users. Lightweight (20 MB), free, and built to replace Task Manager on every PC you manage.

1 Rating

Starting Price: Free

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Coachful

Coachful is a software for the full coaching journey, from first enquiry to lasting results. Website forms, lead magnets, quizzes, bookings and checkout funnels capture prospects automatically. A customizable pipeline tracks source, stage, value and follow-ups, deduplicates contacts, and runs email sequences and stage-based actions. Each client profile brings together intake answers, goals, habits, check-ins, program progress, sessions, notes, files, signed agreements, invoices, payments and remaining session credits. Engagement insights and Michelle’s AI briefings help coaches prepare for calls and spot clients who need attention. From the same profile, coaches can book sessions, start video calls, send messages, assign programs or resources, adjust goals, send agreements and create invoices. Tags, segments and bulk actions keep rosters organized; coach assignments and role-based permissions support teams. Updates flow into the client’s branded portal and Coachful mobile app

1 Rating

Starting Price: $49/month

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React

React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. Declarative views make your code more predictable and easier to debug. Build encapsulated components that manage their own state, then compose them to make complex UIs. Since component logic is written in JavaScript instead of templates, you can easily pass rich data through your app and keep state out of the DOM. We don’t make assumptions about the rest of your technology stack, so you can develop new features in React without rewriting existing code. React components implement a render() method that takes input data and returns what to display. This example uses an XML-like syntax called JSX. Input data that is passed into the component can be accessed by render() via this.props.

1 Rating

Starting Price: Free

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Java

Oracle

The Java™ Programming Language is a general-purpose, concurrent, strongly typed, class-based object-oriented language. It is normally compiled to the bytecode instruction set and binary format defined in the Java Virtual Machine Specification. In the Java programming language, all source code is first written in plain text files ending with the .java extension. Those source files are then compiled into .class files by the javac compiler. A .class file does not contain code that is native to your processor; it instead contains bytecodes — the machine language of the Java Virtual Machine1 (Java VM). The java launcher tool then runs your application with an instance of the Java Virtual Machine.

1 Rating

Starting Price: Free

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Muse Spark 1.3

Meta

Muse Spark 1.3 is an AI model with improved performance across agentic and coding tasks, designed to be smarter and more practical for real-world work. It sustains longer-horizon tasks by collaborating with users and managing multiple workflows in a single, long thread. Given an open-ended objective, it uses tools to build context across messy or conflicting sources, correct gaps in its plan, track what it has learned, and produce a final deliverable. It asks clarifying questions when prompts are ambiguous, requests help when stuck, and confirms before taking consequential actions. The model follows complex, long-form instructions more reliably, preserving detailed requirements across multi-step tasks without dropping constraints or drifting from the requested workflow. Improved multitasking allows it to map incoming prompts to the correct task even when users interrupt or redirect previous requests.

1 Rating

Starting Price: $1.25 per 1M tokens (input)

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Python

The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. Whether you're new to programming or an experienced developer, it's easy to learn and use Python. Python can be easy to pick up whether you're a first-time programmer or you're experienced with other languages. The following pages are a useful first step to get on your way to writing programs with Python! The community hosts conferences and meetups to collaborate on code, and much more. Python's documentation will help you along the way, and the mailing lists will keep you in touch. The Python Package Index (PyPI) hosts thousands of third-party modules for Python. Both Python's standard library and the community-contributed modules allow for endless possibilities.

1 Rating

Starting Price: Free

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ChatGPT Plus

OpenAI

We’ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it possible for ChatGPT to answer followup questions, admit its mistakes, challenge incorrect premises, and reject inappropriate requests. ChatGPT is a sibling model to InstructGPT, which is trained to follow an instruction in a prompt and provide a detailed response. ChatGPT Plus is a subscription plan for ChatGPT a conversational AI. ChatGPT Plus costs $20/month, and subscribers will receive a number of benefits: - General access to ChatGPT, even during peak times - Faster response times - GPT-4 access - ChatGPT plugins - Web-browsing with ChatGPT - Priority access to new features and improvements ChatGPT Plus is available to customers in the United States, and we will begin the process of inviting people from our waitlist over the coming weeks. We plan to expand access and support to additional countries and regions soon.

1 Rating

Starting Price: $20 per month

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ChatGPT Pro

OpenAI

As AI becomes more advanced, it will solve increasingly complex and critical problems. It also takes significantly more compute to power these capabilities. ChatGPT Pro is a $200 monthly plan that enables scaled access to the best of OpenAI’s models and tools. This plan includes unlimited access to our smartest model, OpenAI o1, as well as to o1-mini, GPT-4o, and Advanced Voice. It also includes o1 pro mode, a version of o1 that uses more compute to think harder and provide even better answers to the hardest problems. In the future, we expect to add more powerful, compute-intensive productivity features to this plan. ChatGPT Pro provides access to a version of our most intelligent model that thinks longer for the most reliable responses. In evaluations from external expert testers, o1 pro mode produces more reliably accurate and comprehensive responses, especially in areas like data science, programming, and case law analysis.

1 Rating

Starting Price: $200/month

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Muse Spark

Meta

Muse Spark is a multimodal AI reasoning model developed by Meta as part of its push toward personal superintelligence. It integrates text, images, and tools to deliver advanced reasoning and interactive capabilities. The model supports features like visual chain-of-thought and multi-agent orchestration. Users can leverage Muse Spark for tasks such as problem-solving, content creation, and real-world troubleshooting. Its Contemplating mode enables multiple AI agents to reason in parallel for improved performance. Muse Spark also demonstrates strong capabilities in areas like health insights and visual understanding. Overall, it represents a significant step toward more intelligent and personalized AI systems.

1 Rating

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GPT-5.1 Pro

OpenAI

GPT-5.1 Pro is the highest-performance version of the GPT-5.1 model family, designed for research-grade reasoning and advanced analytical workloads. It delivers deeper, more structured thinking, making it ideal for complex problem-solving across coding, science, finance, law, and technical research. Unlike the Instant and Thinking versions, GPT-5.1 Pro is built to maintain accuracy under heavy cognitive load, producing clearer logic and more reliable multi-step reasoning. Pro users also gain access to extended context windows, allowing significantly longer inputs and deeper information processing. While it supports the full range of ChatGPT features, GPT-5.1 Pro is optimized for precision, rigor, and high-stakes tasks. It is available exclusively to ChatGPT Pro and Business customers.

1 Rating

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AppDeploy

AppDeploy is chat-native deployment — go from AI chat to deployed app. Tell your current AI chat or agent what to build, AppDeploy.ai makes it real, without leaving the chat or touching infrastructure. Deploy a real, full-stack apps directly from ChatGPT, Claude, Cursor, Gemini, Claude Code, Codex, or any other AI assistant — and get a live URL in seconds, without leaving the chat. No Git, no CLI, no IDE required. Hosting, database, backend services, storage, auth, and AI integrations are handled automatically. Every deploy gives you a live application with a shareable URL — a real deployed app, not a prototype. AppDeploy works for builders of all levels - no setup screens, no technical decisions.

Starting Price: $0

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DocuWriter.ai

DocuWriter.ai is an AI-powered software documentation platform for developers and engineering teams. It analyzes source code and repositories to generate accurate technical documentation, API references, README files, code comments and UML diagrams. Teams can connect Git repositories, create searchable documentation spaces, organize and edit generated docs, export content, and use repository-sync workflows to keep documentation aligned with code changes. DocuWriter.ai helps teams reduce manual documentation work, onboard developers faster, and maintain living documentation for software projects.

Starting Price: $29/month

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Business Software for Codex CLI

Top Software that integrates with Codex CLI as of September 2026

GPT-5.6 Sol

GPT-6 Astra

GPT-6 Luna

GPT-6 Sol

GPT-5.6 Terra

GPT-5.6 Luna

Muse Spark 1.2

Muse Spark 1.1

GPT-5.5

SoMin

Melaya

GitHub

ChatGPT

Salesflare

Stonify

Magic Hour

OpenAI

Butterbase

AppControl

Coachful

React

Java

Muse Spark 1.3

Python

ChatGPT Plus

ChatGPT Pro

Muse Spark

GPT-5.1 Pro

AppDeploy

DocuWriter.ai