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GPT 5.1 Thinking
openai·openai/gpt-5.1-thinking·GA·Closed·gpt series
Image model for prompt-driven generation, editing, and visual design workflows
At a glance
Reference price$1.25 / $10.00 per 1M
Cache read $0.125 · Vercel AI Gateway
Lowest paid$1.25 / $10.00
Vercel AI Gateway Cloud
Context400,000
Output limit128,000
Capabilities
✓ Reasoning✓ Tool use? Structured output✓ Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff2024-10
Released / updated2025-11-12 / 2025-08-07
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Vercel AI Gateway | Cloud | $1.25 | $10.00 | $0.125 | — | 400,000 | 128,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Vercel AI Gateway$615.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = noneeffort = loweffort = mediumeffort = high
Related models
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Price historyone sample accumulated per data sync
Input listOutput listMin blended