OpenAI deprecated nine legacy audio and realtime model IDs on July 20, shutdown January 20, 2027. The migration is a model-string swap — but operators routing gpt-4o-audio, gpt-4o-realtime, or gpt-audio families need a full routing audit before the deadline.
NVIDIA NIM shut down its Kimi K2.6 endpoint on July 7, 2026. If your routing config points to the NIM API for Kimi K2.6, requests are now failing. Here are the three concrete migration paths every operator must evaluate before end of day.
On July 23, OpenAI shuts down gpt-5-codex, o3-deep-research, computer-use-preview, and 11 more model aliases. If your routing config still points to any of these, requests will fail. Here is what to audit now.
OpenAI Assistants API shuts down August 26, 2026 — 56 days away. Official migration replaces Threads/Runs/Assistants with Conversations/Responses/Prompts. Checklist covers grep patterns, thread state, tool schemas, routing proxy compatibility, and Azure timelines.
OpenAI has deprecated six first-generation gpt-5 and o3 model snapshots, all shutting down December 11, 2026. Teams still routing to date-stamped IDs have six months to migrate — here's the full audit checklist.
Xiaomi MiMo completes its V2 → V2.5 migration on June 18: mimo-v2-flash and mimo-v2-tts auto-route to V2.5 successors at V2.5 pricing. Old model IDs in your routing config will silently change behavior and billing.
Google deprecated Vertex AI Extensions on May 26, 2026, with a hard shutdown on November 26. Teams routing agent workflows through Google must migrate their Code Interpreter, Search, and Custom Extensions to the Gemini Enterprise Agent Platform before the deadline.
TheRouter's legacy /v1/anthropic/messages paths are deprecated and will be removed on September 3, 2026. The canonical path is /v1/messages — the same path official Anthropic SDKs use. Migration is a one-line base-URL change.
Vertex AI is not deprecated, but Google is retiring every Imagen 2.x/3.x/4.x and Veo 2.x/3.0 GA endpoint on June 30, 2026. Use this shutdown list to migrate image and video routing to gemini-2.5-flash-image and veo-3.1 endpoints.
OpenAI's evals platform deprecation, Agent Builder shutdown, and v1/prompts API removal all land November 30, 2026. Here's what operators need to migrate and how the routing layer absorbs the gap.
Official OpenAI gpt-image-2 migration checklist for teams still using gpt-image-1, gpt-image-1.5, gpt-image-1-mini, or chatgpt-image-latest before the Q4 2026 API shutdown.
OpenAI's April 22 deprecation notice covers 25+ model IDs across two hard shutdown dates — July 23 and October 23, 2026. If your routing config still references gpt-4, gpt-3.5-turbo, o1, o3-mini, or o4-mini, you have a breaking change on the calendar.
The Vertex AI generative AI SDK is deprecated — its modules are removed June 24, 2026. If your team routes to Google via vertexai.generative_models or related imports, here's exactly what to migrate to keep production code working.
Gemini 2.0 Flash and Flash-Lite hit end-of-life June 1, 2026 — the shutdown is done. Here is what model IDs were removed, which replacements (gemini-2.5-flash-lite, gemini-3.1-flash-lite) actually work as substitutes, the real cost delta, and the fastest way to audit…
