GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
openai/gpt-5.4-nanoGPT-5.4 Nano is an API model from OpenAI, released on Mar 17, 2026, with a context window of 400,000 tokens, pricing of $0.2 per million input tokens and $1.25 per million output tokens. It accepts file, image, text input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.0032.
Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.
GPT-5.4 Nano supports a context window of 400,000 tokens.
GPT-5.4 Nano is listed at $0.2 per million input tokens and $1.25 per million output tokens on OpenRouter.
GPT-5.4 Nano was published on Mar 17, 2026.
GPT-5.4 Nano accepts file, image, text input and produces text output.