GPT-5 Pro (batch)
by OpenAI · openai/gpt-5-pro:batch · #409 cheapest of 422 paid models
Prices updated Sep 19, 2026, 6:22 PM UTC · refreshed hourly
GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5Gemini 3.6 Flash
Pricing
Input
$7.50
per 1M tokens
Output
$60.00
per 1M tokens
Blended (3:1)
$20.63
3 input : 1 output
Cache read
—
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for GPT-5 Pro (batch) (no cache-read rate published — hits billed as normal input).
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $20.63 | $0.825 | — |
| 50% | $20.63 | $0.825 | −0% |
| 90% | $20.63 | $0.825 | −0% |
*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 | $0.0217 | $21.75 |
| Document summary | 8,000 | 1,000 | $0.12 | $120.00 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.345 | $345.00 |
| Long-context analysis | 150,000 | 5,000 | $1.43 | $1,425 |
Specs
Context window
400K
tokens
Max output
128K
tokens
Input modalities
image, text, file
Tokenizer
GPT