OpenAI / AI & LLM

OpenAI Existing evals (Evals platform) breaking change date

Existing evals become read-only on October 31, 2026 as the Evals platform is deprecated.

13days left
Change
Breaking change
Effective
Oct 31, 2026
Announced
Jun 3, 2026
Replacement
Moving from OpenAI Evals to Promptfoo
Source
platform.openai.com
Vendor's words
2026-06-03: Evals platform. On June 3, 2026, we notified developers using the Evals platform that the product is being deprecated. Date Update June 3, 2026 Deprecation announced for the Evals platform. Oct 31, 2026 Existing evals become read-only. Nov 30, 2026 The Evals dashboard and API are scheduled to shut down. Graders documented for eval workflows are part of this transition. Fine-tuning-related timelines remain…

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