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AI Model Radar
OpenAI

GPT-4: latest model, releases & availability

GPT-4 is tracked live on AI Model Radar. The current release is GPT-4.1-nano, released 10 Apr 2025. It's currently unavailable — here's the status and whether it's coming back.

View GPT-4.1-nano Alert me on GPT-4 changes

Latest GPT-4 model

What is the latest GPT-4 model?

The latest GPT-4 model is GPT-4.1-nano, released 10 Apr 2025. It has a 1M-token context window and hosted pricing of $0.05 / $0.20 per 1M tokens.

View GPT-4.1-nano →

Is there a new GPT-4 model?

The most recent GPT-4 release is GPT-4.1-nano (564 days old). AI Model Radar checks OpenAI's API continuously and flags any newer GPT-4 model the moment it appears.

View GPT-4.1-nano →

Is GPT-4 coming back?

GPT-4.1-nano is listed by OpenAI but isn't responding to live requests, so GPT-4 is unavailable right now. We re-check every few minutes and alert subscribers the moment it returns.

GPT-4.1-nano status →

Which GPT-4 versions are tracked?

We track 7 GPT-4 models: GPT-4.1-nano, GPT-4.1-mini, GPT-4.1, GPT-4o, GPT-4o-mini and GPT-4-turbo, and 1 more.

See all versions →

All tracked GPT-4 versions

  • GPT-4.1-nano gpt-4.1-nano Released 10 Apr 2025 Unavailable
  • GPT-4.1-mini gpt-4.1-mini Released 10 Apr 2025 GA
  • GPT-4.1 gpt-4.1 Released 10 Apr 2025 GA
  • GPT-4o gpt-4o Released 12 Feb 2025 GA
  • GPT-4o-mini gpt-4o-mini Released 16 Jul 2024 GA
  • GPT-4-turbo gpt-4-turbo Released 08 Apr 2024 Unavailable
  • GPT-4 gpt-4 Released 27 Jun 2023 Unavailable
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