OpenAI model product
GPT-5.1
1 is an OpenAI large language model for coding and agentic tasks with configurable reasoning and non-reasoning effort.
Updated Sep 8, 2026. Default version: GPT-5.1
LLMBoard Score60.8GPT-5.1
Coverage20%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 |
|---|
| BenchmarkBrowseComp Long Context 128k | Score90.00% | Rank02 | Participants5 | Percentile75.00% | EvidenceC | Evaluated |
| BenchmarkMMMU | Score85.40% | Rank02 | Participants64 | Percentile98.41% | EvidenceC | Evaluated |
| BenchmarkTau2 Airline | Score67.00% | Rank04 | Participants24 | Percentile86.96% | EvidenceC | Evaluated |
| BenchmarkFrontierMath | Score26.70% | Rank08 | Participants17 | Percentile56.25% | EvidenceC | Evaluated |
| BenchmarkLM Arena Search Factuality | Score1,203.72 rating | Rank09 | Participants28 | Percentile70.37% | EvidenceA | Evaluated |
| BenchmarkTau2 Telecom | Score95.60% | Rank10 | Participants36 | Percentile74.29% | EvidenceC | Evaluated |
| BenchmarkTau2 Retail | Score77.90% | Rank11 | Participants27 | Percentile61.54% | EvidenceC | Evaluated |
| BenchmarkLM Arena Search | Score1,199.44 rating | Rank13 | Participants28 | Percentile55.56% | EvidenceA | Evaluated |
| BenchmarkLM Arena Search Style Control | Score1,183.19 rating | Rank18 | Participants28 | Percentile37.04% | EvidenceA | Evaluated |
| BenchmarkAIME 2025 | Score94.00% | Rank25 | Participants119 | Percentile79.66% | EvidenceC | Evaluated |
| BenchmarkSWE-Bench Verified | Score76.30% | Rank32 | Participants113 | Percentile72.32% | EvidenceC | Evaluated |
| BenchmarkLM Arena Document Style Control | Score1,411.75 rating | Rank32 | Participants33 | Percentile3.13% | EvidenceA | Evaluated |
| BenchmarkLM Arena Document | Score1,400.84 rating | Rank33 | Participants33 | Percentile0.00% | EvidenceA | Evaluated |
| BenchmarkGPQA | Score88.10% | Rank38 | Participants247 | Percentile84.96% | EvidenceC | Evaluated |
| BenchmarkLM Arena Vision Style Control | Score1,240.28 rating | Rank41 | Participants107 | Percentile62.26% | EvidenceA | Evaluated |
| BenchmarkLM Arena Vision | Score1,235.19 rating | Rank50 | Participants107 | Percentile53.77% | EvidenceA | Evaluated |
| BenchmarkLM Arena Text Factuality | Score1,444.89 rating | Rank54 | Participants121 | Percentile55.83% | EvidenceA | Evaluated |
| BenchmarkLM Arena Text Style Control | Score1,438.95 rating | Rank65 | Participants210 | Percentile69.38% | EvidenceA | Evaluated |
| BenchmarkLM Arena Text | Score1,422.55 rating | Rank76 | Participants210 | Percentile64.11% | EvidenceA | Evaluated |
| BenchmarkLM Arena Webdev | Score1,340.63 rating | Rank76 | Participants97 | Percentile21.88% | EvidenceA | 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 |
|---|
| Arenavision | Categorycreative writing | Rank04 | Rating / score1,291.26 | Votes411 | ObservationsN/A | Result date |
| Arenavision style control | Categorycreative writing | Rank04 | Rating / score1,284.60 | Votes411 | ObservationsN/A | Result date |
| Arenasearch factuality | Categoryoverall | Rank09 | Rating / score1,203.72 | Votes59,745 | ObservationsN/A | Result date |
| Arenatext factuality | Categorypolish | Rank11 | Rating / score1,446.51 | Votes878 | ObservationsN/A | Result date |
| Arenasearch | Categoryoverall | Rank13 | Rating / score1,199.44 | Votes59,909 | ObservationsN/A | Result date |
| Arenasearch style control | Categoryoverall | Rank18 | Rating / score1,183.19 | Votes59,909 | ObservationsN/A | Result date |
| Arenavision style control | Categorycaptioning | Rank21 | Rating / score1,170.02 | Votes119 | ObservationsN/A | Result date |
| Arenavision | Categorycaptioning | Rank24 | Rating / score1,172.71 | Votes119 | ObservationsN/A | Result date |
| Arenavision style control | Categorycreative writing vision | Rank24 | Rating / score1,253.82 | Votes860 | ObservationsN/A | Result date |
| Arenavision style control | Categoryhumor | Rank25 | Rating / score1,256.25 | Votes323 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry legal and government | Rank28 | Rating / score1,475.77 | Votes1,690 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry medicine and healthcare | Rank28 | Rating / score1,485.07 | Votes1,507 | ObservationsN/A | Result date |
| Arenavision | Categorycreative writing vision | Rank28 | Rating / score1,261.59 | Votes860 | ObservationsN/A | Result date |
| Arenavision style control | Categoryentity recognition | Rank30 | Rating / score1,184.14 | Votes141 | ObservationsN/A | Result date |
| Arenatext factuality | Categorychinese | Rank31 | Rating / score1,499.34 | Votes1,731 | ObservationsN/A | Result date |
| Arenadocument style control | Categoryoverall | Rank32 | Rating / score1,411.75 | Votes8,220 | ObservationsN/A | Result date |
| Arenatext style control | Categorypolish | Rank32 | Rating / score1,463.41 | Votes1,284 | ObservationsN/A | Result date |
| Arenavision | Categoryhumor | Rank32 | Rating / score1,254.72 | Votes323 | ObservationsN/A | Result date |
| Arenadocument | Categoryoverall | Rank33 | Rating / score1,400.84 | Votes8,220 | ObservationsN/A | Result date |
| Arenatext | Categoryjapanese | Rank33 | Rating / score1,418.15 | Votes433 | ObservationsN/A | Result date |
| Arenawebdev | Categoryimage to webdev | Rank35 | Rating / score1,344.79 | Votes1,051 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryexpert | Rank36 | Rating / score1,481.85 | Votes1,571 | ObservationsN/A | Result date |
| Arenavision | Categoryentity recognition | Rank36 | Rating / score1,180.37 | Votes141 | ObservationsN/A | Result date |
| Arenatext style control | Categoryjapanese | Rank38 | Rating / score1,425.23 | Votes433 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry business and management and financial operations | Rank39 | Rating / score1,456.13 | Votes4,968 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryinstruction following | Rank41 | Rating / score1,446.74 | Votes7,911 | ObservationsN/A | Result date |
| Arenavision style control | Categoryocr | Rank41 | Rating / score1,252.31 | Votes6,342 | ObservationsN/A | Result date |
| Arenavision style control | Categoryoverall | Rank41 | Rating / score1,240.28 | Votes10,223 | ObservationsN/A | Result date |
| Arenavision style control | Categorydiagram | Rank42 | Rating / score1,261.66 | Votes2,307 | ObservationsN/A | Result date |
| Arenatext | Categorypolish | Rank43 | Rating / score1,440.16 | Votes1,284 | 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
- 18
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 |
| ProviderLLM Gateway | Provider model IDopenai/gpt-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 | Context128K | 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 |
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 Speed100.00 tok/s | Catalog Latency2.00 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 | LLMBoard60.79 | 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 |
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What is GPT-5.1?
Key information about GPT-5.1 and its available data.
1 is a large language model from OpenAI designed for coding and agentic tasks. It supports configurable reasoning and non-reasoning effort.
Data as of 2026-09-08.
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?
18 provider offerings are linked to the default version.