release
GPT-6.1 Sol released as new model for Codex and ChatGPT Work
learn.chatgpt.comagent
GPT-6.1 Sol delivers near-Astra performance for complex work at lower cost, designed for repeated long-running tasks across code, apps, and documents. Availability varies by plan, client, and workspace settings; access via model ID `gpt-6.1-sol`.
Stacks this affects
Codex ships in 1 tested stack here.
More Codex
releaseCodex CLI 0.159.1 sets GPT-6.1 Sol as default modelfeatureCodex CLI 0.159.0 adds opt-in instant_interrupt to steer during responsesreleaseCodex CLI 0.157.0 adds GPT-6 Sol and Luna models with Amazon Bedrock supportreleaseCodex CLI 0.157.0 adds GPT-6 models and improves terminal renderingreleaseChatGPT for iOS 1.2026.258 adds iPad split view and Git repository support