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 Oct 23, 2026. Default version: GPT-5.1
LLMBoard Score60.1GPT-5.1
Coverage80%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 | Participants66 | Percentile98.46% | EvidenceC | Evaluated |
| BenchmarkTau2 Airline | Score67.00% | Rank05 | Participants26 | Percentile84.00% | EvidenceC | Evaluated |
| BenchmarkFrontierMath | Score26.70% | Rank08 | Participants17 | Percentile56.25% | EvidenceC | Evaluated |
| BenchmarkTau2 Telecom | Score95.60% | Rank10 | Participants37 | Percentile75.00% | EvidenceC | Evaluated |
| BenchmarkAA AIME 2025 | Score94.00% | Rank10 | Participants96 | Percentile90.53% | EvidenceB | EvaluatedN/A |
| BenchmarkTau2 Retail | Score77.90% | Rank12 | Participants28 | Percentile59.26% | EvidenceC | Evaluated |
| BenchmarkLM Arena Search Factuality | Score1,203.48 rating | Rank14 | Participants33 | Percentile59.38% | EvidenceA | Evaluated |
| BenchmarkLM Arena Search | Score1,199.70 rating | Rank18 | Participants33 | Percentile46.88% | EvidenceA | Evaluated |
| BenchmarkLM Arena Search Style Control | Score1,183.64 rating | Rank24 | Participants33 | Percentile28.13% | EvidenceA | Evaluated |
| BenchmarkAIME 2025 | Score94.00% | Rank26 | Participants122 | Percentile79.34% | EvidenceC | Evaluated |
| BenchmarkAA LCR v1.1 | Score80.00% | Rank26 | Participants193 | Percentile86.98% | EvidenceB | EvaluatedN/A |
| BenchmarkAA IFBench | Score72.86% | Rank32 | Participants168 | Percentile81.44% | EvidenceB | EvaluatedN/A |
| BenchmarkSWE-Bench Verified | Score76.30% | Rank35 | Participants120 | Percentile71.43% | EvidenceC | Evaluated |
| BenchmarkLM Arena Document | Score1,403.17 rating | Rank37 | Participants38 | Percentile2.70% | EvidenceA | Evaluated |
| BenchmarkLM Arena Document Style Control | Score1,415.84 rating | Rank37 | Participants38 | Percentile2.70% | EvidenceA | Evaluated |
| BenchmarkGPQA | Score88.10% | Rank43 | Participants256 | Percentile83.53% | EvidenceC | Evaluated |
| BenchmarkAA Omniscience Accuracy | Score37.72% | Rank44 | Participants201 | Percentile78.50% | EvidenceB | EvaluatedN/A |
| BenchmarkAA GPQA Diamond | Score87.27% | Rank51 | Participants199 | Percentile74.75% | EvidenceB | EvaluatedN/A |
| BenchmarkAA CritPt | Score4.86% | Rank51 | Participants200 | Percentile74.87% | EvidenceB | EvaluatedN/A |
| BenchmarkLM Arena Vision Style Control | Score1,239.84 rating | Rank52 | Participants113 | Percentile54.46% | EvidenceA | Evaluated |
| BenchmarkAA HLE Text No Tools | Score28.50% | Rank57 | Participants200 | Percentile71.86% | EvidenceB | EvaluatedN/A |
| BenchmarkLM Arena Vision | Score1,234.90 rating | Rank61 | Participants113 | Percentile46.43% | EvidenceA | Evaluated |
| BenchmarkLM Arena Text Factuality | Score1,444.06 rating | Rank63 | Participants131 | Percentile52.31% | EvidenceA | Evaluated |
| BenchmarkLM Arena Text Style Control | Score1,438.51 rating | Rank74 | Participants218 | Percentile66.36% | EvidenceA | Evaluated |
| BenchmarkLM Arena Text | Score1,422.16 rating | Rank85 | Participants218 | Percentile61.29% | EvidenceA | Evaluated |
| BenchmarkLM Arena Webdev | Score1,341.67 rating | Rank86 | Participants107 | Percentile19.81% | 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 | Rank14 | Rating / score1,203.48 | Votes62,869 | ObservationsN/A | Result date |
| Arenatext factuality | Categorypolish | Rank15 | Rating / score1,445.98 | Votes892 | ObservationsN/A | Result date |
| Arenasearch | Categoryoverall | Rank18 | Rating / score1,199.70 | Votes63,042 | ObservationsN/A | Result date |
| Arenavision style control | Categoryhumor | Rank22 | Rating / score1,264.25 | Votes376 | ObservationsN/A | Result date |
| Arenasearch style control | Categoryoverall | Rank24 | Rating / score1,183.64 | Votes63,042 | ObservationsN/A | Result date |
| Arenavision style control | Categorycaptioning | Rank25 | Rating / score1,162.65 | Votes123 | ObservationsN/A | Result date |
| Arenavision | Categorycaptioning | Rank26 | Rating / score1,165.39 | Votes123 | ObservationsN/A | Result date |
| Arenavision style control | Categorycreative writing vision | Rank27 | Rating / score1,258.56 | Votes935 | ObservationsN/A | Result date |
| Arenavision style control | Categoryentity recognition | Rank28 | Rating / score1,186.90 | Votes143 | ObservationsN/A | Result date |
| Arenavision | Categorycreative writing vision | Rank30 | Rating / score1,266.35 | Votes935 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry legal and government | Rank31 | Rating / score1,477.83 | Votes1,751 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry medicine and healthcare | Rank31 | Rating / score1,486.05 | Votes1,565 | ObservationsN/A | Result date |
| Arenavision | Categoryhumor | Rank32 | Rating / score1,263.18 | Votes376 | ObservationsN/A | Result date |
| Arenatext style control | Categorypolish | Rank35 | Rating / score1,463.38 | Votes1,323 | ObservationsN/A | Result date |
| Arenatext | Categoryjapanese | Rank36 | Rating / score1,423.21 | Votes460 | ObservationsN/A | Result date |
| Arenadocument | Categoryoverall | Rank37 | Rating / score1,403.17 | Votes8,244 | ObservationsN/A | Result date |
| Arenadocument style control | Categoryoverall | Rank37 | Rating / score1,415.84 | Votes8,244 | ObservationsN/A | Result date |
| Arenatext factuality | Categorychinese | Rank38 | Rating / score1,500.15 | Votes1,843 | ObservationsN/A | Result date |
| Arenavision | Categoryentity recognition | Rank38 | Rating / score1,182.36 | Votes143 | ObservationsN/A | Result date |
| Arenatext style control | Categoryjapanese | Rank45 | Rating / score1,430.09 | Votes460 | ObservationsN/A | Result date |
| Arenatext | Categorypolish | Rank47 | Rating / score1,439.95 | Votes1,323 | ObservationsN/A | Result date |
| Arenawebdev | Categoryimage to webdev | Rank47 | Rating / score1,350.56 | Votes1,123 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryexpert | Rank49 | Rating / score1,481.63 | Votes1,677 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry business and management and financial operations | Rank49 | Rating / score1,456.61 | Votes5,087 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryinstruction following | Rank50 | Rating / score1,446.09 | Votes8,142 | ObservationsN/A | Result date |
| Arenavision style control | Categorychinese | Rank51 | Rating / score1,268.30 | Votes813 | ObservationsN/A | Result date |
| Arenavision style control | Categoryocr | Rank52 | Rating / score1,250.96 | Votes6,725 | ObservationsN/A | Result date |
| Arenavision style control | Categoryoverall | Rank52 | Rating / score1,239.84 | Votes10,801 | 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 $1.14 input, $9.09 output per 1M via Poe
- Tracked offerings
- 20
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderPoe | Provider model IDopenai/gpt-5.1 | Regionglobal | Input / 1M$1.14 | Output / 1M$9.09 | Context400K | 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 |
| ProviderPrime Inference | 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 | LLMBoard60.06 | 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 2026-10-22.
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 $1.14 input and $9.09 output via Poe.
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?
20 provider offerings are linked to the default version.