GPT-5 Image Mini
by OpenAI · openai/gpt-5-image-mini · #234 cheapest of 325 paid models
Prices updated Jul 22, 2026, 1:35 AM UTC · refreshed hourly
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...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5Gemini 3.6 Flash
Pricing
Input
$2.50
per 1M tokens
Output
$2.00
per 1M tokens
Blended (3:1)
$2.38
3 input : 1 output
Cache read
$0.25
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for GPT-5 Image Mini with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $2.38 | $0.257 | — |
| 50% | $1.53 | $0.1445 | −44% |
| 90% | $0.856 | $0.0545 | −79% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates for this provider’s batch API. Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.00185 | $1.85 |
| Document summary | 8,000 | 1,000 | $0.022 | $22.00 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.079 | $79.00 |
| Long-context analysis | 150,000 | 5,000 | $0.385 | $385.00 |
Performance
Intelligence Index
—
AA composite quality
Coding Index
—
Math Index
—
Agentic Index
—
Output speed
—
median
Time to first token
—
median
Time to first answer
—
after reasoning tokens
Design Arena Elo
| Category | Elo |
|---|---|
| Graphic design | 1,193 |
| Logo | 1,222 |
| Image | 1,206 |
Specs
Context window
400K
tokens
Max output
128K
tokens
Input modalities
file, image, text
Tokenizer
GPT