OpenAI model product
GPT-5.5
5 is an OpenAI large language model for agentic coding, computer use, knowledge work, and early scientific research.
Updated Oct 23, 2026. Default version: GPT-5.5
LLMBoard Score79.8GPT-5.5
Coverage100%27 benchmark families
Context window1.1MTokens
Official input price$5OpenAI API
GPT-5.5 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
GPT-5.5 Benchmark Results
Benchmark scores for GPT-5.5.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkBixBench | Score80.50% | Rank01 | Participants1 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkGDPval-MM | Score84.90% | Rank01 | Participants3 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkTerminal-Bench 2.0 | Score82.70% | Rank01 | Participants53 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkARC-AGI | Score95.00% | Rank02 | Participants12 | Percentile90.91% | EvidenceC | Evaluated |
| BenchmarkARC-AGI v2 | Score85.00% | Rank02 | Participants19 | Percentile94.44% | EvidenceC | Evaluated |
| BenchmarkGeneBench | Score25.00% | Rank02 | Participants3 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkLiveBench | Score80.71% | Rank02 | Participants38 | Percentile97.30% | EvidenceB | Evaluated |
| BenchmarkLM Arena Search Factuality | Score1,247.32 rating | Rank02 | Participants33 | Percentile96.88% | EvidenceA | Evaluated |
| BenchmarkLM Arena Agent Bash Reliability | Score13.03% | Rank02 | Participants44 | Percentile97.67% | EvidenceA | Evaluated |
| BenchmarkGraphwalks parents >128k | Score58.50% | Rank03 | Participants7 | Percentile66.67% | EvidenceC | Evaluated |
| BenchmarkMMMU-Pro | Score83.20% | Rank03 | Participants73 | Percentile97.22% | EvidenceC | Evaluated |
| BenchmarkAA LCR v1.1 | Score84.33% | Rank03 | Participants193 | Percentile98.96% | EvidenceB | EvaluatedN/A |
| BenchmarkLM Arena Agent Bash Reliability No Prereq | Score13.33% | Rank03 | Participants45 | Percentile95.45% | EvidenceA | Evaluated |
| BenchmarkFinance Agent | Score60.00% | Rank04 | Participants8 | Percentile57.14% | EvidenceC | Evaluated |
| BenchmarkLM Arena Search | Score1,246.55 rating | Rank04 | Participants33 | Percentile90.63% | EvidenceA | Evaluated |
| BenchmarkLM Arena Agent Bash Recovery Steps | Score9.55% | Rank05 | Participants44 | Percentile90.70% | EvidenceA | Evaluated |
| BenchmarkLiveBench math (2026-06-25) | Score95.86 score | Rank05 | Participants43 | Percentile90.48% | EvidenceB | EvaluatedN/A |
| BenchmarkTau2 Telecom | Score98.00% | Rank06 | Participants37 | Percentile86.11% | EvidenceC | Evaluated |
| BenchmarkLM Arena Document | Score1,485.72 rating | Rank06 | Participants38 | Percentile86.49% | EvidenceA | Evaluated |
| BenchmarkLM Arena Search Style Control | Score1,226.45 rating | Rank06 | Participants33 | Percentile84.38% | EvidenceA | Evaluated |
| BenchmarkLM Arena Text Factuality | Score1,485.68 rating | Rank06 | Participants131 | Percentile96.15% | EvidenceA | Evaluated |
| BenchmarkAA Omniscience Accuracy | Score57.95% | Rank06 | Participants201 | Percentile97.50% | EvidenceB | EvaluatedN/A |
| BenchmarkFrontierMath | Score35.40% | Rank07 | Participants17 | Percentile62.50% | EvidenceC | Evaluated |
| BenchmarkGPQA | Score93.60% | Rank07 | Participants256 | Percentile97.65% | EvidenceC | Evaluated |
| BenchmarkMRCR v2 (8-needle) | Score74.00% | Rank07 | Participants25 | Percentile75.00% | EvidenceC | Evaluated |
| BenchmarkLM Arena Agent Praise Complaint | Score6.42% | Rank07 | Participants44 | Percentile86.05% | EvidenceA | Evaluated |
| BenchmarkAA CritPt | Score27.14% | Rank07 | Participants200 | Percentile96.98% | EvidenceB | EvaluatedN/A |
| BenchmarkFinance Agent v2 | Score51.76% | Rank08 | Participants29 | Percentile75.00% | EvidenceB | Evaluated |
| BenchmarkFrontierSWE | Score73.00% | Rank08 | Participants17 | Percentile56.25% | EvidenceB | Evaluated |
| BenchmarkGraphwalks BFS >128k | Score45.40% | Rank08 | Participants12 | Percentile36.36% | EvidenceC | Evaluated |
GPT-5.5 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 | Rank02 | Rating / score1,247.32 | Votes125,914 | ObservationsN/A | Result date |
| Arenatext factuality | Categorygerman | Rank02 | Rating / score1,471.06 | Votes619 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry legal and government | Rank02 | Rating / score1,519.08 | Votes4,672 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryjapanese | Rank02 | Rating / score1,503.36 | Votes601 | ObservationsN/A | Result date |
| Arenaagent bash reliability | Categoryoverall | Rank02 | Rating / score0.13 | VotesN/A | Observations20.1K | Result date |
| Arenatext factuality | Categorykorean | Rank03 | Rating / score1,463.62 | Votes702 | ObservationsN/A | Result date |
| Arenatext factuality | Categorypolish | Rank03 | Rating / score1,478.58 | Votes695 | ObservationsN/A | Result date |
| Arenaagent bash reliability no prereq | Categoryoverall | Rank03 | Rating / score0.13 | VotesN/A | Observations20.1K | Result date |
| Arenasearch | Categoryoverall | Rank04 | Rating / score1,246.55 | Votes125,957 | ObservationsN/A | Result date |
| Arenaagent bash recovery steps | Categoryoverall | Rank05 | Rating / score0.10 | VotesN/A | Observations54K | Result date |
| Arenatext factuality | Categoryfrench | Rank05 | Rating / score1,516.90 | Votes2,078 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry business and management and financial operations | Rank05 | Rating / score1,500.17 | Votes12,342 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry mathematical | Rank05 | Rating / score1,493.00 | Votes3,296 | ObservationsN/A | Result date |
| Arenatext factuality | Categorynon english | Rank05 | Rating / score1,479.02 | Votes37,781 | ObservationsN/A | Result date |
| Arenavision style control | Categoryhomework | Rank05 | Rating / score1,335.05 | Votes3,535 | ObservationsN/A | Result date |
| Arenadocument | Categoryoverall | Rank06 | Rating / score1,485.72 | Votes21,279 | ObservationsN/A | Result date |
| Arenasearch style control | Categoryoverall | Rank06 | Rating / score1,226.45 | Votes125,957 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryhard prompts | Rank06 | Rating / score1,513.11 | Votes45,491 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryoverall | Rank06 | Rating / score1,485.68 | Votes69,294 | ObservationsN/A | Result date |
| Arenaagent praise complaint | Categoryoverall | Rank07 | Rating / score0.06 | VotesN/A | Observations14.1K | Result date |
| Arenatext factuality | Categoryexpert | Rank07 | Rating / score1,532.38 | Votes6,313 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryspanish | Rank07 | Rating / score1,481.15 | Votes1,562 | ObservationsN/A | Result date |
| Arenatext style control | Categoryjapanese | Rank07 | Rating / score1,505.14 | Votes907 | ObservationsN/A | Result date |
| Arenadocument style control | Categoryoverall | Rank08 | Rating / score1,482.81 | Votes21,279 | ObservationsN/A | Result date |
| Arenatext | Categoryjapanese | Rank08 | Rating / score1,499.30 | Votes907 | ObservationsN/A | Result date |
| Arenatext factuality | Categorychinese | Rank08 | Rating / score1,537.68 | Votes3,751 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry software and it services | Rank08 | Rating / score1,522.69 | Votes27,128 | ObservationsN/A | Result date |
| Arenatext factuality | Categorymath | Rank08 | Rating / score1,495.78 | Votes2,989 | ObservationsN/A | Result date |
| Arenavision style control | Categorydiagram | Rank08 | Rating / score1,323.33 | Votes7,798 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryexclude ties | Rank09 | Rating / score1,491.30 | Votes52,681 | ObservationsN/A | Result date |
GPT-5.5 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $5 input, $30 output per 1M
- Official provider
- OpenAI
- Lowest third-party
- From $0.1875 input, $1.13 output per 1M via UnoRouter
- Tracked offerings
- 52
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderUnoRouter | Provider model IDgpt-5.5:free | Regionglobal | Input / 1MN/A | Output / 1MN/A | Context1.1M | Updated |
| ProviderUnoRouter | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$0.1875 | Output / 1M$1.13 | Context1.1M | Updated |
| ProviderXpersona | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$1.5 | Output / 1M$12 | Context1.1M | Updated |
| ProviderXpersona | Provider model IDxpersona-gpt-5.5 | Regionglobal | Input / 1M$3 | Output / 1M$18 | Context1M | Updated |
| ProviderPoe | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$4.55 | Output / 1M$27.27 | Context400K | Updated |
| ProviderHPC-AI | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderAI-ROUTER | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderOrcaRouter | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderNanoGPT | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderImpossibl | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderOpenRouter | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderDaoXE | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderCrossModel | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderSnowflake Cortex | Provider model IDopenai-gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderDatabricks | Provider model IDdatabricks-gpt-5-5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderOpenAI | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderLLM Gateway | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderVivgrid | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderNEAR AI Cloud | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderMerge Gateway | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderCloudflare AI Gateway | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1M | Updated |
| ProviderFastRouter | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderZenMux | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderPerplexity Agent | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderGMI Cloud | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderSAP AI Core | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderFreeModel | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderOfox | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderNeon | Provider model IDgpt-5-5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderAzure Cognitive Services | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
GPT-5.5 Runtime Performance
Provider-specific output speed and catalog latency for GPT-5.5. Runtime does not affect the capability score.
No runtime data
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
GPT-5.5 Specifications
Technical details for the model's default version.
- Version
- GPT-5.5
- Released
- Apr 23, 2026
- Knowledge cutoff
- Dec 1, 2025
- Parameters
- N/A
- Context window
- 1.1M
- Max output
- 128K
- Inputs
- image, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
GPT-5.5 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-5.5 | Released | LLMBoard79.84 | ParametersN/A | Context1.1M | Max output128K | Open weightsNo | LicenseProprietary |
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What is GPT-5.5?
Key information about GPT-5.5 and its available data.
5 is a large language model from OpenAI designed for agentic coding, computer use, knowledge work, and early scientific research. It supports a 1M-token context window in the API and a 400K-token context window in Codex.
Data as of 2026-10-22.
FAQ
Common questions about GPT-5.5.
When was GPT-5.5 released?
GPT-5.5's default version was released on Apr 23, 2026.
How much does GPT-5.5 cost?
GPT-5.5's official API price is $5 per million input tokens and $30 per million output tokens via OpenAI. The lowest tracked third-party offer starts at $0.1875 input and $1.13 output via UnoRouter.
Who created GPT-5.5?
GPT-5.5 was created by OpenAI.
What is the context window for GPT-5.5?
The default version has a 1.1M token context window.
Is GPT-5.5 open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer GPT-5.5?
52 provider offerings are linked to the default version.