Commercial software intelligenceEvidence checked · 30 September 2026
SkuTrace

Commercial product change, preserved as evidence.

SK-2026-220 · Entitlements & feature gating

OpenAI makes GPT-6.1 Sol available across API and paid ChatGPT Work and Codex plans

OpenAI made GPT-6.1 Sol available through the API and to Plus, Pro, Business, Enterprise and Edu users in ChatGPT Work and Codex, while Chat availability remains pending.

API and paid-plan availability active

Commercial transition

Previous stateGPT-6.1 Sol was not in the documented API or ChatGPT Work and Codex paid-plan catalogues.
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New stateDevelopers can use model gpt-6.1-sol through the API and eligible Plus, Pro, Business, Enterprise and Edu users can use it in ChatGPT Work and Codex; it is not yet available in Chat.

Who is affected

OpenAI API developers and eligible ChatGPT Plus, Pro, Business, Enterprise and Edu users using Work or Codex.

Action required

Update model allowlists and evaluations for gpt-6.1-sol where appropriate while keeping Chat and forthcoming Ultrafast availability separate.

Evidence boundary

This record covers plan and channel availability only. API unit pricing is separate, Chat availability is not yet active and GPT-6.1 Sol Ultrafast is only announced as coming soon.

Timeline

  1. GPT-6.1 Sol announced

    OpenAI documented API access and eligible paid-plan availability in ChatGPT Work and Codex.

Official sources