GPT-5.4 Nano

OpenAI · GPT-5.4

Released

Mar 17, 2026

Context window

400,000 tokens

Input price

$0.20 / 1M

Output price

$1.25 / 1M

API identifier

gpt-5.4-nano

Provider: openai

See how GPT-5.4 Nano performs on the prompts that matter to you. YourBench tests them automatically when new models launch.