FAST & FRUGAL · OpenAI
GPT-5 Mini
GPT-5 Mini is a reasoning, tool-using model from OpenAI in the GPT family, living in Silvergrass Fields (fast & frugal). It reads text, files and images and writes text, with a 400K-token context window and up to 128K tokens of output. On OpenRouter it costs $0.250 per million input tokens and $2.00 per million output tokens.
See GPT-5 Mini in 3DOpen in the WorktableView on OpenRouter
Specifications
- Provider
- OpenAI
- Family
- GPT
- Province
- Silvergrass Fields
- Context window
- 400K tokens
- Maximum output
- 128K tokens
- Input / 1M tokens
- $0.250
- Output / 1M tokens
- $2.00
- Accepts
- text, files, images
- Produces
- text
- Reasoning
- Yes
- Tool use
- Yes
- Added to OpenRouter
- 2025-08-07
- Model ID
openai/gpt-5-mini- Price history
- —All recorded prices
From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.