Build snapshot for UTC 2026-09-03, not live metrics. JavaScript recalculates date states for the current UTC day; sources are not reverified.
Developer APIs · manually curated catalog
Changes affecting existing calls, including high-risk notices without deadlines. A past date does not mean your migration is complete.
Request defaults and billing · Aug 28, 2026
xAI changed the omitted quality behavior for grok-imagine-image-2.0: Omitted quality defaults to auto; generation currently resolves to low and editing to medium.
Model alias routing · Jul 29, 2026
xAI announced that the grok-voice-latest alias would route to grok-voice-think-fast-2.0 starting Aug 5, 2026.
Platform capability · May 7, 2026
OpenAI states that active existing customers will no longer be able to create new self-serve fine-tuning jobs from Jan 6, 2027.
Developer API · Apr 24, 2026
The listed aliases were scheduled for discontinuation on Jul 24, 2026. Replacement: deepseek-v4-flash.
Model lifecycle · Apr 22, 2026
A broad OpenAI model shutdown wave is listed for Oct 23, 2026, with substitutes varying by workload.
API and model lifecycle · Mar 24, 2026
Requests to the listed models and API are scheduled to stop working on Sep 24, 2026.
Model lifecycle · Sep 26, 2025
OpenAI lists Sep 28, 2026 as the shutdown date for 4 legacy model identifiers.
Developer API · Jun 20, 2025
The older API remains operational but is no longer updated.
Model lifecycle · Not announced
Anthropic's model status page marks claude-mythos-preview as deprecated and points developers to claude-mythos-5.
Request parameters · Not announced
Anthropic documents the following behavior on the affected models: Omit parameters; non-default values return HTTP 400.
Developer API · Not announced
The listed embedding models retired on Apr 4, 2026.
Model lifecycle · Not announced
Google lists May 14, 2028 as the shutdown date for gemini-embedding-001 and recommends gemini-embedding-2.
Model lifecycle · Not announced
Google's deprecation table lists Earliest: May 7, 2027 for gemini-3.1-flash-lite and recommends gemini-3.5-flash-lite.
Developer API · Not announced
Music API access changed: Paid APIs closed to new users; existing paying users continue. Free APIs to be discontinued.
Developer API · Not announced
The model card marks mistral-medium-2508 deprecated and recommends Mistral Medium 3.5.
Developer API · Not announced
The retirement index and linked notice header disagree; affected model IDs and regions could not be confirmed.
