OpenAI · OpenAI (GPT / ChatGPT)
GPT-4o
ActiveReleased 2 years ago· May 1, 2024Multimodal model
Native audio/voice model; API still active for voice tasks but retired from ChatGPT text tasks (Feb 2026).
- API string
- gpt-4o
- Context window
- 128K ctx
- Knowledge cutoff
- Oct 1, 2023
- Tier
- Legacy
- Released
- May 1, 2024
Release & change timeline
1 event- Release
GPT-4o released
Omni model with native audio, vision, and text in a single model.
Part of the OpenAI (GPT / ChatGPT) version timeline. Catch Me Up — everything that changed across AI & smart home ↗