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OpenAI

Is GPT-5.4 Mini out? Yes, since March 17, 2026

Yes. GPT-5.4 Mini was released on March 17, 2026.

A browser notification for each confirmed release in this family. No account or email.

Have you used it? GPT-5.4 Mini

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Lab
OpenAI
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GPT
Release date
Source
OpenAI · GPT-5.4 mini and nano

What changed

  • context 400k tokens · Context window of GPT-5.4 Mini. GPT-5.1-Codex-Mini is the previous model of the same tier, but the gap is beyond what a percentage explains.
  • price +200 % · Prompt price compared with GPT-5.1-Codex-Mini, same tier in this family. Went from $0.250 / MTok to $0.750 / MTok. Lower is better.

About GPT-5.4 Mini

GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,...

Next GPT model to watch

Questions

When was GPT-5.4 Mini released?
GPT-5.4 Mini was released on March 17, 2026.
Who makes GPT-5.4 Mini?
GPT-5.4 Mini is made by OpenAI.
What comes after GPT-5.4 Mini?
GPT-5.4 Nano, released on March 17, 2026.