GPT‑5.3‑Codex‑SparkOpenAI
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MaxLabsCenmax
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Related Products
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About
GPT-5.3-Codex-Spark is an ultra-fast coding model designed for real-time collaboration inside Codex. Built as a smaller version of GPT-5.3-Codex, it delivers over 1000 tokens per second when served on low-latency Cerebras hardware. The model is optimized for interactive coding tasks, enabling developers to make targeted edits and see results almost instantly. With a 128k context window, Codex-Spark supports substantial project context while maintaining speed. It focuses on lightweight, precise edits and does not automatically run tests unless prompted. Infrastructure upgrades such as persistent WebSocket connections significantly reduce latency across the full request-response pipeline. Released as a research preview for ChatGPT Pro users, Codex-Spark marks the first milestone in OpenAI’s partnership with Cerebras.
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About
MaxLabs is an AI workspace for coding, chat, editable design, and tool-connected automation. macOS and Windows desktop apps, a Node.js CLI, and a Visual Studio Code extension support codebase exploration, planning, file edits, multi-step coding tasks, and approval-controlled shell commands. Web chat provides project context and memory. Workspace tools connect shared text and CSV files and MCP services with selectable permissions. Local and cloud schedules run recurring tasks, while webhooks trigger event-driven automation. The beta design editor supports AI refinement, editable text and shapes, image libraries, brand kits, and PNG export. A developer API provides model access and usage tracking with pay-as-you-go billing. Monthly subscriptions start at $10 for Worker access; Builder and Power add Pro and Worker access with larger weekly allowances. Features and quotas vary by interface and plan.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Software developers, engineering teams, and AI-powered coding tool builders seeking ultra-low-latency, real-time code generation and iterative collaboration within the Codex ecosystem
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Audience
Developers, freelancers, agencies and teams using AI for coding, research, design and tool-connected workflows.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$10/person/month
Starter costs $10 per person per month and includes Worker model access with a 1× weekly allowance. Builder is $50 per person per month with Worker and Pro access and a 5× allowance; Power is $100 per person per month with a 10× allowance. API usage is billed separately per 1 million tokens: Worker rates are $1.50 input, $0.30 cached input, and $5 output; Pro rates are $5 input, $1 cached input, and $25 output. Features and quotas vary by plan and interface.
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
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In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationOpenAI
Founded: 2015
United States
openai.com
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Company InformationCenmax
Founded: 2014
India
maxlabs.cenmax.in
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Categories |
Categories |
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Integrations
Codex CLI
Supported
Codex Security
Supported
Microsoft Foundry
Supported
Model Context Protocol (MCP)
Not Supported
OpenAI
Supported
OpenAI Codex
Supported
OpenClaw
Supported
Visual Studio Code
Not Supported
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Integrations
Codex CLI
Not Supported
Codex Security
Not Supported
Microsoft Foundry
Not Supported
Model Context Protocol (MCP)
Supported
OpenAI
Not Supported
OpenAI Codex
Not Supported
OpenClaw
Not Supported
Visual Studio Code
Supported
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