GPT-5 Image
by OpenAI · openai/gpt-5-image · #396 cheapest of 422 paid models
Prices updated Sep 19, 2026, 6:22 PM UTC · refreshed hourly
[GPT-5](https://openrouter.ai/openai/gpt-5) Image combines OpenAI's GPT-5 model with state-of-the-art image generation capabilities. It offers major improvements in reasoning, code quality, and user experience while incorporating GPT Image 1's superior instruction following,...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5Gemini 3.6 Flash
Pricing
Input
$10.00
per 1M tokens
Output
$10.00
per 1M tokens
Blended (3:1)
$10.00
3 input : 1 output
Cache read
$1.25
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for GPT-5 Image with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $10.00 | $1.03 | — |
| 50% | $6.72 | $0.5925 | −42% |
| 90% | $4.09 | $0.2425 | −76% |
*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 | $0.008 | $8.00 |
| Document summary | 8,000 | 1,000 | $0.09 | $90.00 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.32 | $320.00 |
| Long-context analysis | 150,000 | 5,000 | $1.55 | $1,550 |
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 | 1,172 |
| Logo | 1,202 |
| Image | 1,194 |
Specs
Context window
400K
tokens
Max output
128K
tokens
Input modalities
image, text, file
Tokenizer
GPT