GPT-6.1 Sol

GPT-6.1 Sol

OpenAI
Grok 3

Grok 3

SpaceXSI
+
+

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About

GPT-6.1 Sol is an OpenAI model designed to deliver near-GPT-6 Astra intelligence at substantially lower cost across coding, professional work, computer use, scientific research, and agentic workflows. It improves on GPT-6 Sol across complex tasks such as software engineering, document analysis, multi-step business automation, and computer interaction. On DeepSWE v1.1, GPT-6.1 Sol matches GPT-6 Astra at roughly one-fifth of the cost while exceeding GPT-6 Sol's best score by 6.4 percentage points at a lower reasoning effort. The model also improves computer use, outperforming GPT-6 Sol by seven percentage points on the OSWorld 2.0 offline set at maximum reasoning effort while costing less than half as much per task. GPT-6.1 Sol provides improved factuality and alignment, including greater transparency about limitations and stronger adherence to user instructions during agentic tasks. It is available through ChatGPT Work, Codex, and the OpenAI API.

About

Grok-3, developed by xAI, represents a significant advancement in the field of artificial intelligence, aiming to set new benchmarks in AI capabilities. It is designed to be a multimodal AI, capable of processing and understanding data from various sources including text, images, and audio, which allows for a more integrated and comprehensive interaction with users. Grok-3 is built on an unprecedented scale, with training involving ten times more computational resources than its predecessor, leveraging 100,000 Nvidia H100 GPUs on the Colossus supercomputer. This extensive computational power is expected to enhance Grok-3's performance in areas like reasoning, coding, and real-time analysis of current events through direct access to X posts. The model is anticipated to outperform not only its earlier versions but also compete with other leading AI models in the generative AI landscape.

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

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Audience

Software developers, engineers, researchers, enterprises, AI application builders, professional knowledge workers, and agent developers that need advanced coding, reasoning, computer-use, scientific, document-analysis, and business-automation capabilities

Audience

Tech-savvy individuals, researchers, developers, and anyone seeking an AI companion for advanced, multimodal interactions and real-time, insightful analysis

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$2 per 1M tokens (input)
Input: $2 per 1 million tokens
Output: $10 per 1 million tokens
Cached Input: $0.10 per 1 million cached input tokens
Free Version Not Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • The biggest improvement for me is that it gets very close to Astra-level performance without Astra-level pricing. I can use it for serious coding, research, computer-use tasks, and long agent workflows without feeling like every run needs to be reserved for something mission-critical. The 1.05M-token context window is still a huge advantage. I can keep large repos, specs, logs, documentation, and a lot of prior agent work in context without constantly trimming things down. I also really like the new multi-agent support. Being able to let Sol delegate parts of a bigger task to subagents makes it much more useful for complicated projects where research, coding, testing, and analysis can happen in parallel.

Cons

  • The main downside is that Astra is still the model I would reach for when I absolutely want maximum capability and cost is secondary. Sol also no longer supports the none or minimal reasoning settings, so it is less suited to truly lightweight work than Luna.

Pros & Cons from Real Users

Pros

  • The standout feature of Grok-3 is its unparalleled advanced reasoning. When I threw intricate math problems, philosophical dilemmas, and multi-step analytical tasks its way, it broke them down effortlessly, providing step-by-step logic that was easy to follow yet deeply insightful. I was amazed at how it anticipated follow-up questions, offering additional context that enriched my understanding. Its ability to connect ideas across domains and handle abstract concepts with precision is simply unmatched. On top of that, it’s fast, multilingual, and adapts perfectly to any topic I explored.

Cons

  • If I had to mention a downside, I’d say that occasionally, Grok-3’s responses assumed a higher level of background knowledge than I had, but a quick clarification prompt solved this instantly. It’s a tiny hiccup in an otherwise flawless experience.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

OpenAI
Founded: 2015
United States
openai.com

Company Information

SpaceXSI
Founded: 2023
United States
x.ai/

Alternatives

Alternatives

Claude Code

Claude Code

Anthropic
GPT-6 Luna

GPT-6 Luna

OpenAI
Grok 4.20

Grok 4.20

SpaceXSI
GPT-6 Sol

GPT-6 Sol

OpenAI
Grok 4 Heavy

Grok 4 Heavy

SpaceXSI

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Categories

AI Coding Models Supported
AI Models Supported
Foundation Models Supported
Multimodal Models Supported

Integrations

Brokk Supported
C Supported
C# Supported
C++ Supported
EaseMate AI Supported
Go Supported
HTML Supported
Java Supported
JavaScript Supported
Kotlin Supported
Microsoft Foundry Supported
Microsoft Foundry Models Supported
PHP Supported
Python Supported
R Supported
Ruby Supported
Rust Supported
SQL Supported
Scala Supported
Yonoo Supported

Integrations

Brokk Supported
C Supported
C# Supported
C++ Supported
EaseMate AI Supported
Go Supported
HTML Supported
Java Supported
JavaScript Supported
Kotlin Supported
Microsoft Foundry Supported
Microsoft Foundry Models Supported
PHP Supported
Python Supported
R Supported
Ruby Supported
Rust Supported
SQL Supported
Scala Supported
Yonoo Supported
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