OpenAI: GPT-5.1
GPT model for general reasoning, writing, coding, and tool-assisted tasks
Cheapest input
$1.07
$/MTok · models.dev
Cheapest output
$8.50
$/MTok
Context
400K
tokens
Offers
30
3 sources
Offers
Same model, different listings. First-party, router, and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestgpt-5.1 | OpenCode Zen | $1.07 | $8.50 | $0.107 | 400K |
| models.devopenai/gpt-5.1 | Poe | $1.10 | $9 | $0.11 | 400K |
| models.devgpt-5.1 | Jiekou.AI | $1.13 | $9 | $0 | 400K |
| models.devopenai/gpt-5.1 | Cloudflare | $1.25 | $10 | $0.13 | 400K |
| models.devopenai/gpt-5.1 | Impossibl | $1.25 | $10 | $0.125 | 400K |
| models.devopenai/gpt-5.1 | Kilo Gateway | $1.25 | $10 | $0.125 | 400K |
| models.devopenai/gpt-5.1 | Merge Gateway | $1.25 | $10 | $0.125 | 400K |
| models.devopenai/gpt-5.1 | NanoGPT | $1.25 | $10 | $0 | 400K |
| models.devopenai/gpt-5.1 | NEAR AI Cloud | $1.25 | $10 | $0.125 | 400K |
| models.devgpt-5.1 | OpenAI | $1.25 | $10 | $0.125 | 400K |
| OpenRouteropenai/gpt-5.1 | OpenRouter | $1.25 | $10 | $0.125 | 400K |
| models.devopenai/gpt-5.1 | OrcaRouter | $1.25 | $10 | $0.125 | 400K |
| models.devopenai/gpt-5.1 | Perplexity | $1.25 | $10 | $0.125 | 400K |
| models.devopenai/gpt-5.1 | Requesty | $1.25 | $10 | $0.125 | 400K |
| models.devopenai/gpt-5.1 | ZenMux | $1.25 | $10 | $0.12 | 400K |
| models.devgpt-5.1 | 302.AI | $1.25 | $10 | $0 | 400K |
| models.devgpt-5.1 | Abacus | $1.25 | $10 | $0.125 | 400K |
| models.devgpt-5.1 | AIHubMix | $1.25 | $10 | $0.13 | 400K |
| models.devgpt-5.1 | Azure | $1.25 | $10 | $0.125 | 400K |
| models.devgpt-5.1 | Azure | $1.25 | $10 | $0.125 | 400K |
| models.devgpt-5.1 | Helicone | $1.25 | $10 | $0.125 | 400K |
| models.devgpt-5.1 | LLM Gateway | $1.25 | $10 | $0.125 | 400K |
| models.devgpt-5-1 | Neon | $1.25 | $10 | $0.125 | 400K |
| models.devgpt-5.1 | Pioneer | $1.25 | $10 | $0.125 | 400K |
| LiteLLMgpt-5.1 | — | $1.25 | $10 | $0.125 | — |
| LiteLLMglobal/gpt-5.1 | — | $1.25 | $10 | $0.125 | — |
| LiteLLMgmi/openai/gpt-5.1 | — | $1.25 | $10 | $0.125 | — |
| LiteLLMazure/eu/gpt-5.1 | — | $1.38 | $11 | $0.14 | — |
| LiteLLMeu/gpt-5.1 | — | $1.38 | $11 | $0.14 | — |
| LiteLLMus/gpt-5.1 | — | $1.38 | $11 | $0.14 | — |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: pdf
- In: file
- In: audio
- Out: text
- Out: image
- Out: audio
Knowledge cutoff: 2024-09-30Released: 2025-11-14Family: gpt
Scores
Sparse coverage on purpose. Missing a score means we have not linked one yet, not that the model is unranked. Full boards on /benchmarks.
- AA intelligence36.9
- AA coding49.4
- AA agentic21
Sources: Arena AI, Artificial Analysis. See /benchmarks.