OpenAI: GPT-5.4 Nano

Pricing, context window and lifecycle for openai/gpt-5.4-nano, tracked from what the vendor publishes.

Price per million tokens

Input$0.200
Output$1.25
Cache read$0.020

Facts

Model IDopenai/gpt-5.4-nano
VendorOpenAI
Context window400,000 tokens
Knowledge cutoff2025-08-31
End of lifenone published

Supported parameters

include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools

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