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Developer, Coding & Automation · OpenAI | Sep 29
GPT-6.1 Sol arrives in Codex and ChatGPT Work
OpenAI positions its new Sol model near Astra on complex work at a lower cost, with availability dependent on plan and client.
Tools: Codex · ChatGPT
What happened
OpenAI added GPT-6.1 Sol to Codex and ChatGPT Work on September 29. Its changelog describes near-Astra performance for complex work at a lower cost than Astra and identifies gpt-6.1-sol as the model ID. Access depends on the plan, client, and workspace settings.
Why it matters
The launch could change which model teams select for long-running jobs. Near-Astra is a vendor characterization, not proof that every workload performs equally; buyers should compare output quality, latency, retries, and total task cost.