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OpenAI: GPT-5 Image Mini pricing

GPT-5 Image Mini combines OpenAI's advanced language capabilities, powered by GPT-5 Mini, with GPT Image 1 Mini for efficient image generation. OpenAI: GPT-5 Image Mini from OpenRouter costs $2.50 per 1M input tokens and $2.00 per 1M output tokens. Cached input is $0.250 per 1M. Context window 400,000 tokens.

API id openai/gpt-5-image-mini · OpenRouter · source · updated 2026-11-10

We have not confirmed what kind of model this is. Its name suggests one thing and its pricing another, and we would rather say so than guess.

$2.50
Input / 1M tokens
$2.00
Output / 1M tokens
$0.250
Cached input / 1M
400K
Context window

OpenAI: GPT-5 Image Mini specifications

Provider
OpenRouter
API id
openai/gpt-5-image-mini
Model type
unknown
Context window
400K tokens
Max output
128K tokens
Currency
USD
Price source
Provider API
Last checked
2026-11-10

Tags

  • fast
  • flagship
  • vision

What OpenAI: GPT-5 Image Mini costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0035
Document summary50,0002,000$0.13
1M tokens in, 200K out1,000,000200,000$2.90

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does OpenAI: GPT-5 Image Mini cost per 1M tokens?
OpenAI: GPT-5 Image Mini costs $2.50 per 1M input tokens and $2.00 per 1M output tokens on the standard tier. Cached input is $0.250 per 1M.
What is OpenAI: GPT-5 Image Mini's context window?
OpenAI: GPT-5 Image Mini accepts up to 400,000 tokens in a single request, and can return up to 128,000 output tokens.
Is there a cheaper OpenRouter model than OpenAI: GPT-5 Image Mini?
Yes. Free Models Router is free per 1M input tokens versus $2.50 for OpenAI: GPT-5 Image Mini, with a 200,000 token context window.
Where does this OpenAI: GPT-5 Image Mini price come from?
From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

Other OpenRouter models

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