AI BriefingOpenAI Donates Open Responses Specification to AAIF
·2026.10.24 09:00
Key point
OpenAI donated the Open Responses specification to AAIF to promote the standardization of LLM calls.
Details
- OpenAI donated the Open Responses specification to AAIF under the Linux Foundation, establishing a standard that allows multiple LLM providers to be called using the same request format
- Resolves the adapter code branching issue caused by provider-specific API format differences, leaving only the endpoint and model name as configuration values
- The 2026-04-24 release added WebSocket transport and a phase field for assistant messages
- Databricks Model Serving and Vercel AI Gateway are the current implementations, with provider-specific constraints such as statelessness and ignoring specific fields
- OpenAI holds 2 votes out of 9 TSC voting members, and there are no maintainers from Anthropic or Google
- The original specification will migrate to TypeSpec in October 2026, while date-based OpenAPI releases remain immutable
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