OpenAI model product
GPT-5.1
The best model for coding and agentic tasks with configurable reasoning effort.
Updated Aug 17, 2026. Default version: GPT-5.1
LLMBoard Score62.2GPT-5.1
Coverage60%9 benchmark families
Context window400KTokens
Official input price$1.25OpenAI API
GPT-5.1 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
GPT-5.1 Benchmark Results
Benchmark scores for GPT-5.1.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkMMMU | Score85.4% | Rank02 | Participants63 | Percentile98.4% | EvidenceC | Evaluated |
| BenchmarkBrowseComp Long Context 128k | Score90.0% | Rank03 | Participants5 | Percentile50.0% | EvidenceC | Evaluated |
| BenchmarkTau2 Airline | Score67.0% | Rank04 | Participants23 | Percentile86.4% | EvidenceC | Evaluated |
| BenchmarkFrontierMath | Score26.7% | Rank08 | Participants17 | Percentile56.3% | EvidenceC | Evaluated |
| BenchmarkTau2 Retail | Score77.9% | Rank10 | Participants26 | Percentile64.0% | EvidenceC | Evaluated |
| BenchmarkTau2 Telecom | Score95.6% | Rank10 | Participants35 | Percentile73.5% | EvidenceC | Evaluated |
| BenchmarkAIME 2025 | Score94.0% | Rank25 | Participants115 | Percentile79.0% | EvidenceC | Evaluated |
| BenchmarkSWE-Bench Verified | Score76.3% | Rank32 | Participants111 | Percentile71.8% | EvidenceC | Evaluated |
| BenchmarkGPQA | Score88.1% | Rank35 | Participants239 | Percentile85.7% | EvidenceC | Evaluated |
GPT-5.1 Arena Results
Preference and agent-evaluation results for the default version.
Sort by
Arena | Category | Rank | Rating / score | Votes | Observations | Result date |
|---|
| Arenasearch factuality | Categoryoverall | Rank08 | Rating / score1203.8 | Votes59,855 | ObservationsN/A | Result date |
| Arenasearch | Categoryoverall | Rank12 | Rating / score1199.4 | Votes60,019 | ObservationsN/A | Result date |
| Arenasearch style control | Categoryoverall | Rank19 | Rating / score1183.6 | Votes60,019 | ObservationsN/A | Result date |
| Arenadocument | Categoryoverall | Rank37 | Rating / score1400.8 | Votes8,220 | ObservationsN/A | Result date |
| Arenadocument style control | Categoryoverall | Rank37 | Rating / score1411.7 | Votes8,220 | ObservationsN/A | Result date |
| Arenavision style control | Categoryoverall | Rank49 | Rating / score1238.5 | Votes10,016 | ObservationsN/A | Result date |
| Arenavision | Categoryoverall | Rank58 | Rating / score1233.0 | Votes10,016 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryoverall | Rank63 | Rating / score1445.5 | Votes42,755 | ObservationsN/A | Result date |
| Arenatext style control | Categoryoverall | Rank78 | Rating / score1438.7 | Votes43,661 | ObservationsN/A | Result date |
| Arenawebdev | Categoryoverall | Rank86 | Rating / score1340.7 | Votes10,344 | ObservationsN/A | Result date |
| Arenatext | Categoryoverall | Rank90 | Rating / score1422.4 | Votes43,661 | ObservationsN/A | Result date |
GPT-5.1 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $1.25 input, $10 output per 1M
- Official provider
- OpenAI
- Lowest third-party
- From $1.25 input, $10 output per 1M via OrcaRouter
- Tracked offerings
- 17
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderOrcaRouter | Provider model IDopenai/gpt-5.1-chat-latest | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context128K | Updated |
| ProviderOrcaRouter | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderNanoGPT | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderImpossibl | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderOpenRouter | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderOpenAI | Provider model IDgpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderNEAR AI Cloud | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderMerge Gateway | Provider model IDopenai/gpt-5.1-chat-latest | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context128K | Updated |
| ProviderMerge Gateway | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderCloudflare AI Gateway | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderZenMux | Provider model IDopenai/gpt-5.1-chat | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context128K | Updated |
| ProviderZenMux | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderPerplexity Agent | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderOfox | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderEden AI | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
| ProviderKilo Gateway | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.25 | Output / 1M$10 | Context400K | Updated |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
GPT-5.1 Runtime Performance
Provider-specific output speed and catalog latency for GPT-5.1. Runtime does not affect the capability score.
Sort by
Provider | Output Speed | Catalog Latency | Max Input | Max Output | Updated |
|---|
| ProviderOpenAI | Output Speed100 tok/s | Catalog Latency2 s | Max Input400K | Max Output128K | Updated |
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
GPT-5.1 Specifications
Technical details for the model's default version.
- Version
- GPT-5.1
- Released
- Nov 13, 2025
- Knowledge cutoff
- Sep 30, 2024
- Parameters
- N/A
- Context window
- 400K
- Max output
- 128K
- Inputs
- image, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
GPT-5.1 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionGPT-5.1 | Released | LLMBoard62.2 | ParametersN/A | Context400K | Max output128K | Open weightsNo | LicenseProprietary |
| VersionGPT-5.1 High | Released | LLMBoardN/A | ParametersN/A | Context400K | Max output128K | Open weightsNo | LicenseProprietary |
| VersionGPT-5.1 Medium | Released | LLMBoardN/A | ParametersN/A | Context400K | Max output128K | Open weightsNo | LicenseProprietary |
| VersionGPT-5.1 Thinking | Released | LLMBoardN/A | ParametersN/A | Context400K | Max output128K | Open weightsNo | LicenseProprietary |
GPT-5.1 vs nearby models
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What is GPT-5.1?
Key information about GPT-5.1 and its available data.
The best model for coding and agentic tasks with configurable reasoning effort. 1 is our flagship model for coding and agentic tasks with configurable reasoning and non-reasoning effort.
Data as of 2026-08-17.
FAQ
Common questions about GPT-5.1.
When was GPT-5.1 released?
GPT-5.1's default version was released on Nov 13, 2025.
How much does GPT-5.1 cost?
GPT-5.1's official API price is $1.25 per million input tokens and $10 per million output tokens via OpenAI. The lowest tracked third-party offer starts at $1.25 input and $10 output via OrcaRouter.
Who created GPT-5.1?
GPT-5.1 was created by OpenAI.
What is the context window for GPT-5.1?
The default version has a 400K token context window.
Is GPT-5.1 open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer GPT-5.1?
17 provider offerings are linked to the default version.
What models should I compare GPT-5.1 with?
Nearby ranked alternatives include GPT-5.3-Codex, MiMo V2 Pro, Nemotron 3 Ultra.