GPT-5 Image Mini
Summary
GPT-5 Image Mini is a language model from OpenAI, released on 16 Oct 2025. It accepts files, images and text and generates images and text, with a 400K-token context window and up to 128K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $2.50 per million input tokens and $2 per million output tokens (OpenRouter), across 1 provider we track.
GPT-5 Image Mini combines OpenAI's advanced language capabilities, powered by [GPT-5 Mini](https://openrouter.ai/openai/gpt-5-mini), with GPT Image 1 Mini for efficient image generation. This natively multimodal model features superior instruction following, text...
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | OpenAI |
|---|---|
| Release date | 16 Oct 2025 [OpenRouter] |
| Status | Generally available |
| Context window | 400K (400,000 tokens) [OpenRouter] |
| Max output | 128K tokens [OpenRouter] |
| Input | Files, images and text [OpenRouter] |
| Output | Images and text [OpenRouter] |
| Reasoning mode | Yes [OpenRouter] |
| Tool calling | No [OpenRouter] |
| Structured output | Yes [OpenRouter] |
GPT-5 Image Mini API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter openai/gpt-5-image-mini | $2.50 | $2 | $0.25 | 400K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of GPT-5 Image Mini?
GPT-5 Image Mini has a context window of 400,000 tokens (400K) and can generate up to 128,000 tokens in a single response, according to OpenRouter.
How much does the GPT-5 Image Mini API cost?
GPT-5 Image Mini is listed from $2.50 per million input tokens and $2 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
When was GPT-5 Image Mini released?
OpenAI released GPT-5 Image Mini on 16 Oct 2025, according to OpenRouter.
Change history
No changes detected since we started tracking this model. We re-check every source daily.