Changelog

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This changelog provides granular, real-time updates as changes are released. For a monthly summary of platform changes, see the Synthflow product changelog on our feedback portal.

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November 20, 2025

GPT-5.1 is now supported

Added GPT-5.1 support for agents.

EndpointTitle
POST /assistantsCreate an agent
PUT /assistants/:model_idUpdate an agent
1"agent": {
2   "llm": "gpt-5.1"
3 }