GPT-4o search preview retirement date: July 23, 2026
Retired on July 23, 2026; requests to gpt-4o-search-preview-2025-03-11 now fail.
- Provider
- OpenAI
- Model IDs affected
gpt-4o-search-preview-2025-03-11- Announced
- April 22, 2026
- Shutdown date
- July 23, 2026
- Replacement
- gpt-5.6-terra
- Platforms
- Dates apply to the OpenAI API. Fine-tuned models follow the same shutdown schedule as their base model. If you use OpenAI models through another platform, check that platform's own retirement schedule.
- Source
- Official OpenAI deprecations page (data last changed 2026-11-02, re-checked daily)
Migrating from GPT-4o search preview to GPT-5.6 Terra
Not yet reviewed. We haven't written model-specific migration notes for GPT-4o search preview yet. Start with the provider's official guidance and the replacement's model page, and use this general checklist:
- Search your code, config and environment variables for
gpt-4o-search-preview-2025-03-11. - Re-run your evaluation set against gpt-5.6-terra before switching traffic.
- Recount tokens with the new model's tokenizer and re-check
max_tokens, context fit and cost. - Check tool calling, structured output and stop sequences on your real prompts.
- Dates apply to the OpenAI API. Fine-tuned models follow the same shutdown schedule as their base model. If you use OpenAI models through another platform, check that platform's own retirement schedule.
Check your code before Jul 23
Also shutting down on July 23, 2026
- computer-use-preview
computer-use-preview-2025-03-11 - GPT-4o mini search preview
gpt-4o-mini-search-preview-2025-03-11 - GPT-5.1 chat latest
gpt-5.1-chat-latest - GPT-5.1 codex
gpt-5.1-codex - GPT-5.1 codex max
gpt-5.1-codex-max - GPT-5.1 codex mini
gpt-5.1-codex-mini - GPT-5.2 codex
gpt-5.2-codex - GPT-5 chat latest
gpt-5-chat-latest - GPT-5 codex
gpt-5-codex - gpt-audio-mini
gpt-audio-mini-2025-10-06 - gpt-realtime-mini
gpt-realtime-mini-2025-10-06 - o3-deep-research
o3-deep-research-2025-06-26
All model retirements · All OpenAI deprecations
FAQ
When was GPT-4o search preview retired?
GPT-4o search preview (gpt-4o-search-preview-2025-03-11) was retired on the OpenAI API on July 23, 2026, according to the official OpenAI API deprecations page. Requests to it now fail.
What should I use instead of gpt-4o-search-preview-2025-03-11?
The recommended replacement is gpt-5.6-terra.
What happens to gpt-4o-search-preview-2025-03-11 requests after the shutdown date?
After a model is retired, API requests to it return an error. Move traffic to the replacement and test it on your own prompts before the date.
Does this date apply to Amazon Bedrock, Vertex AI or Azure?
Dates apply to the OpenAI API. Fine-tuned models follow the same shutdown schedule as their base model. If you use OpenAI models through another platform, check that platform’s own retirement schedule.