by OpenAI
GPT-5.4 nano is designed for tasks where speed and cost are most important, such as classification, data extraction, ranking, and sub-agent scenarios.
GPT-5.4 nano is designed for tasks where speed and cost are most important, such as classification, data extraction, ranking, and sub-agent scenarios.
gpt-5.4-nano has a 400,000 token context window.
On AIHubMix, gpt-5.4-nano costs $0.2 per million input tokens and $1.25 per million output tokens. Cached input reads are billed at $0.02 per million tokens.
gpt-5.4-nano accepts text and image input.
gpt-5.4-nano supports tool calling, function calling, structured outputs, thinking and web. Per-protocol parameter support is listed in the capability table on this page.
gpt-5.4-nano is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to gpt-5.4-nano — no other code changes needed.
gpt-5.4-nano is developed by OpenAI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
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Use gpt-5.4-nano via the AIHubMix unified API — one interface for every major LLM.