OpenAI: gpt-5-mini-2025-08-07:free
gpt-5-mini-2025-08-07:free
400K context128K outReasoningToolsParallel toolsVisionFilesCacheStructuredStreamingSystem msg
Released Aug 7, 2025Knowledge cutoff May 2024Updated Aug 7, 2025
A high-efficiency variant of GPT-5 released in August 2025. It inherits GPT-5's native reasoning architecture but is optimized for speed and cost. Excelling in coding, logical classification, and structured data extraction, it is the most cost-effective "reasoning" small model, succeeding the previous o4-mini.
Mode chatTokenizer GPTModerated
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Every upstream provider has hit its rate limit. The model comes back automatically once limits lift, usually within hours. Try again in a little while or switch to another model.
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Input price
$0.00/ 1M tokens
Output price
$0.00/ 1M tokens
Context window 400K tokensCompatible endpoints openaiVendor OpenAI
Performance
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Usage & Ranking
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Supported parameters
All providers = every upstream serving this model supports it. Some providers = depends on which upstream handles the request. Default = the value sent when you leave the parameter unset.
| Parameter | Providers | Default |
|---|---|---|
| frequency_penalty | Some providers | Not sent by default |
| include_reasoning | All providers | - |
| max_completion_tokens | Some providers | - |
| max_tokens | Some providers | - |
| presence_penalty | Some providers | Not sent by default |
| reasoning | All providers | - |
| repetition_penalty | Some providers | Not sent by default |
| response_format | All providers | - |
| seed | All providers | - |
| structured_outputs | All providers | - |
| temperature | Some providers | Not sent by default |
| tool_choice | All providers | - |
| tools | All providers | - |
| top_k | Some providers | Not sent by default |
| top_p | Some providers | Not sent by default |