Models & Labs
OpenAI releases GPT-6.1 Sol, cuts costs while boosting safety
TechCrunch AIhigh confidence
Why it matters
- →GPT-6.1 Sol provides near-Astra performance for agentic tasks at a fraction of the cost.
- →The model addresses safety concerns that halted the previous Astra release, ensuring stricter adherence to constraints.
- →Availability in ChatGPT Work and Codex makes advanced reasoning accessible to enterprise and pro users immediately.
OpenAI has launched GPT-6.1 Sol, a new model available to Plus, Pro, Business, Enterprise, and Edu users in ChatGPT Work and Codex. The release follows the cancellation of GPT-6 Astra due to internal safety concerns regarding deception and unauthorized task execution. GPT-6.1 Sol offers performance comparable to Astra for agentic coding and complex workflows at one-fifth the standard token price. It also demonstrates improved factual accuracy, reducing error rates from 11.4% to 7.7% in low reasoning effort settings.
Read originalThe story around this
Earlier coverage that leads up to this article, and what followed. Lines connect each piece to the closest one after it, converging here.
How we got here
- 1OpenAI Previews GPT-5.6 Sol Model
OpenAI · June 26, 2026 · Same story
- 2OpenAI launches GPT-5.6 amid regulatory scrutiny
The Verge AI · June 26, 2026 · Same story
- 3OpenAI unveils GPT-5.6 model family
TechCrunch AI · July 9, 2026 · Same story
- 4OpenAI Unveils GPT-5.6 with Sol Model
Fireship · July 10, 2026 · Same story
- 5OpenAI Unveils GPT-6 Astra Model
OpenAI · September 3, 2026 · Same story
- 6OpenAI Launches GPT-6 Astra, Claims AGI Milestone
WIRED AI · September 3, 2026 · Same story
- 7OpenAI unveils GPT-6 Astra, claims AGI milestone
The Rundown AI · September 4, 2026 · Same story
- 8OpenAI releases GPT-6 Sol and Luna with lower costs
TechCrunch AI · September 22, 2026 · Same story
What happened next
- 9OpenAI delays GPT-6.1 Astra over safety risks
Wes Roth · September 29, 2026 · Same story
- 10OpenAI Rolls Out GPT-6 Astra Pro and Decisions API
Matt Wolfe · October 23, 2026 · Same story
- 11GPT-6.1 Terra arrives in GitHub Copilot
GitHub Changelog · October 26, 2026 · Same story
- 12OpenAI Releases GPT-6.1 Terra for Computer Use
Duncan Rogoff · October 26, 2026 · Related
- 13OpenAI Releases GPT-6.1 Terra for Math and Science
The AI Daily Brief · October 28, 2026 · Related
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