Source says GPT-6 Sol is in final deployment stage

Token Gremlin @TokenGremlinOriginally posted 2026.09.11

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I've been informed that an OpenAI checkpoint called "gpt-6-sol" is now in the final stages of deployment, with testing expanding across a more diverse group of testers I know. This is not an official announcement, and I cannot independently confirm the rollout timeline yet, but testing activity around the checkpoint appears to have increased significantly.