gpt-5-mini · OpenAI
GPT-5 mini is a faster, more cost-efficient version of GPT-5. It's great for well-defined tasks and precise prompts.
GPT-5 mini is a faster, more cost-efficient version of GPT-5. It's great for well-defined tasks and precise prompts.
GPT 5 Mini has a 400,000 token context window.
On AIHubMix, GPT 5 Mini costs $0.25 per million input tokens and $2 per million output tokens. Cached input reads are billed at $0.025 per million tokens.
GPT 5 Mini accepts text and image input.
GPT 5 Mini supports thinking, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.
GPT 5 Mini 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-mini — no other code changes needed.
GPT 5 Mini is developed by OpenAI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
GPT 5 Mini was released on August 7, 2025 by OpenAI.
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Use GPT 5 Mini via the AIHubMix unified API — one interface for every major LLM.