GPT-5.4 Mini

language modelOpenAI

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,...

Key facts

Made byOpenAI
Typelanguage model
ReleasedMarch 17, 2026
Reads at once400,000 tokens
Price (API, per million tokens)$0.75 in · $4.5 out
Input → outputfile, image, text → text

Questions about GPT-5.4 Mini

Who makes GPT-5.4 Mini?

GPT-5.4 Mini is made by OpenAI.

When was GPT-5.4 Mini released?

We first saw GPT-5.4 Mini listed on March 17, 2026.

How much does GPT-5.4 Mini cost?

Through OpenRouter it costs $0.75 per million input tokens and $4.5 per million output tokens. Prices change, so check the provider before you build on it.

How much text can GPT-5.4 Mini read at once?

Up to 400,000 tokens, roughly 300K words.

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Modelcast collects this page automatically from public sources (OpenRouter). Facts are copied from those sources, not written by the maker. Not affiliated with OpenAI.