OpenAI model product
GPT-5.5
5 is OpenAI's smartest model yet, designed for real work across agentic coding, computer use, knowledge work, and early scientific research.
Updated Aug 17, 2026. Default version: GPT-5.5
LLMBoard Score83.7GPT-5.5
Coverage80%26 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 |
|---|
| BenchmarkARC-AGI | Score95.0% | Rank01 | Participants8 | Percentile100.0% | EvidenceC | Evaluated |
| BenchmarkARC-AGI v2 | Score85.0% | Rank01 | Participants17 | Percentile100.0% | EvidenceC | Evaluated |
| BenchmarkBixBench | Score80.5% | Rank01 | Participants1 | Percentile100.0% | EvidenceC | Evaluated |
| BenchmarkGDPval-MM | Score84.9% | Rank01 | Participants3 | Percentile100.0% | EvidenceC | Evaluated |
| BenchmarkTerminal-Bench 2.0 | Score82.7% | Rank01 | Participants51 | Percentile100.0% | EvidenceC | Evaluated |
| BenchmarkGeneBench | Score25.0% | Rank02 | Participants2 | Percentile0.0% | EvidenceC | Evaluated |
| BenchmarkLiveBench | Score80.7% | Rank02 | Participants38 | Percentile97.3% | EvidenceB | Evaluated |
| BenchmarkMMMU-Pro | Score83.2% | Rank02 | Participants68 | Percentile98.5% | EvidenceC | Evaluated |
| BenchmarkGraphwalks parents >128k | Score58.5% | Rank03 | Participants7 | Percentile66.7% | EvidenceC | Evaluated |
| BenchmarkFinance Agent | Score60.0% | Rank04 | Participants8 | Percentile57.1% | EvidenceC | Evaluated |
| BenchmarkCyberGym | Score81.8% | Rank05 | Participants13 | Percentile66.7% | EvidenceC | Evaluated |
| BenchmarkFinance Agent v2 | Score51.8% | Rank05 | Participants26 | Percentile84.0% | EvidenceB | Evaluated |
| BenchmarkDeepSWE 1.1 | Score67.0% | Rank06 | Participants25 | Percentile79.2% | EvidenceB | Evaluated |
| BenchmarkFrontierCode 1.1 | Score43.0% | Rank06 | Participants16 | Percentile66.7% | EvidenceB | Evaluated |
| BenchmarkGPQA | Score93.6% | Rank06 | Participants239 | Percentile97.9% | EvidenceC | Evaluated |
| BenchmarkMRCR v2 (8-needle) | Score74.0% | Rank06 | Participants23 | Percentile77.3% | EvidenceC | Evaluated |
| BenchmarkOfficeQA Pro | Score54.1% | Rank06 | Participants7 | Percentile16.7% | EvidenceC | Evaluated |
| BenchmarkTau2 Telecom | Score98.0% | Rank06 | Participants35 | Percentile85.3% | EvidenceC | Evaluated |
| BenchmarkFrontierMath | Score35.4% | Rank07 | Participants17 | Percentile62.5% | EvidenceC | Evaluated |
| BenchmarkFrontierSWE | Score73.0% | Rank07 | Participants16 | Percentile60.0% | EvidenceB | Evaluated |
| BenchmarkGraphwalks BFS >128k | Score45.4% | Rank07 | Participants11 | Percentile40.0% | EvidenceC | Evaluated |
| BenchmarkLegal Agent Benchmark | Score2.1% | Rank07 | Participants13 | Percentile50.0% | EvidenceB | Evaluated |
| BenchmarkOSWorld-Verified | Score78.7% | Rank09 | Participants24 | Percentile65.2% | EvidenceC | Evaluated |
| BenchmarkToolathlon | Score55.6% | Rank10 | Participants37 | Percentile75.0% | EvidenceC | Evaluated |
| BenchmarkBrowseComp | Score84.4% | Rank12 | Participants62 | Percentile82.0% | EvidenceC | Evaluated |
| BenchmarkMCP Atlas | Score75.3% | Rank14 | Participants33 | Percentile59.4% | EvidenceC | Evaluated |
| BenchmarkHumanity's Last Exam | Score52.2% | Rank18 | Participants99 | Percentile82.7% | EvidenceC | Evaluated |
| BenchmarkSWE-Bench Pro | Score58.6% | Rank18 | Participants50 | Percentile65.3% | 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 |
|---|
| Arenaagent bash recovery steps | Categoryoverall | Rank01 | Rating / score0.1 | VotesN/A | Observations36.8K | Result date |
| Arenasearch factuality | Categoryoverall | Rank01 | Rating / score1244.1 | Votes67,534 | ObservationsN/A | Result date |
| Arenasearch | Categoryoverall | Rank02 | Rating / score1240.3 | Votes67,573 | ObservationsN/A | Result date |
| Arenasearch style control | Categoryoverall | Rank02 | Rating / score1223.5 | Votes67,573 | ObservationsN/A | Result date |
| Arenaagent tool hallucination | Categoryoverall | Rank03 | Rating / score0.0 | VotesN/A | Observations1.5M | Result date |
| Arenaagent steerability | Categoryoverall | Rank04 | Rating / score0.1 | VotesN/A | Observations44.1K | Result date |
| Arenatext factuality | Categoryoverall | Rank04 | Rating / score1485.9 | Votes55,244 | ObservationsN/A | Result date |
| Arenaagent bash recovery steps | Categoryoverall | Rank05 | Rating / score0.1 | VotesN/A | Observations43.6K | Result date |
| Arenaagent steerability | Categoryoverall | Rank06 | Rating / score0.1 | VotesN/A | Observations63.1K | Result date |
| Arenaagent | Categoryoverall | Rank07 | Rating / score0.1 | VotesN/A | Observations2M | Result date |
| Arenaagent bash recovery steps | Categoryoverall | Rank07 | Rating / score0.1 | VotesN/A | Observations37.1K | Result date |
| Arenadocument | Categoryoverall | Rank07 | Rating / score1484.7 | Votes16,816 | ObservationsN/A | Result date |
| Arenaagent praise complaint | Categoryoverall | Rank08 | Rating / score0.1 | VotesN/A | Observations11.4K | Result date |
| Arenaagent tool hallucination | Categoryoverall | Rank08 | Rating / score0.0 | VotesN/A | Observations2M | Result date |
| Arenaagent | Categoryoverall | Rank09 | Rating / score0.1 | VotesN/A | Observations2.2M | Result date |
| Arenadocument | Categoryoverall | Rank09 | Rating / score1480.3 | Votes17,286 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryoverall | Rank09 | Rating / score1482.0 | Votes56,570 | ObservationsN/A | Result date |
| Arenaagent praise complaint | Categoryoverall | Rank12 | Rating / score0.1 | VotesN/A | Observations16.4K | Result date |
| Arenaagent steerability | Categoryoverall | Rank12 | Rating / score0.1 | VotesN/A | Observations70.8K | Result date |
| Arenavision style control | Categoryoverall | Rank12 | Rating / score1286.0 | Votes18,722 | ObservationsN/A | Result date |
| Arenadocument style control | Categoryoverall | Rank13 | Rating / score1477.8 | Votes16,816 | ObservationsN/A | Result date |
| Arenaagent | Categoryoverall | Rank15 | Rating / score0.1 | VotesN/A | Observations1.7M | Result date |
| Arenaagent tool hallucination | Categoryoverall | Rank15 | Rating / score0.0 | VotesN/A | Observations1.9M | Result date |
| Arenadocument style control | Categoryoverall | Rank15 | Rating / score1475.5 | Votes17,286 | ObservationsN/A | Result date |
| Arenavision | Categoryoverall | Rank15 | Rating / score1296.3 | Votes18,722 | ObservationsN/A | Result date |
| Arenavision style control | Categoryoverall | Rank16 | Rating / score1283.4 | Votes17,520 | ObservationsN/A | Result date |
| Arenaagent praise complaint | Categoryoverall | Rank17 | Rating / score0.1 | VotesN/A | Observations17.8K | Result date |
| Arenaagent task outcome explicit | Categoryoverall | Rank17 | Rating / score0.0 | VotesN/A | Observations35.7K | Result date |
| Arenatext style control | Categoryoverall | Rank17 | Rating / score1481.8 | Votes55,322 | ObservationsN/A | Result date |
| Arenavision | Categoryoverall | Rank19 | Rating / score1293.9 | Votes17,520 | ObservationsN/A | Result date |
| Arenaagent task outcome explicit | Categoryoverall | Rank20 | Rating / score0.0 | VotesN/A | Observations53.3K | Result date |
| Arenatext | Categoryoverall | Rank20 | Rating / score1470.6 | Votes55,322 | ObservationsN/A | Result date |
| Arenatext style control | Categoryoverall | Rank20 | Rating / score1476.6 | Votes56,647 | ObservationsN/A | Result date |
| Arenaagent task outcome explicit | Categoryoverall | Rank21 | Rating / score0.0 | VotesN/A | Observations56.3K | Result date |
| Arenatext | Categoryoverall | Rank23 | Rating / score1466.1 | Votes56,647 | ObservationsN/A | Result date |
| Arenawebdev | Categoryoverall | Rank31 | Rating / score1507.4 | Votes12,970 | ObservationsN/A | Result date |
| Arenawebdev | Categoryoverall | Rank36 | Rating / score1486.7 | Votes14,925 | ObservationsN/A | Result date |
| Arenawebdev | Categoryoverall | Rank44 | Rating / score1457.0 | Votes12,968 | 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
- 44
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderKenari | Provider model IDgpt-5-5 | Regionglobal | Input / 1MN/A | Output / 1MN/A | Context1.1M | 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 |
| ProviderFrogBot | Provider model IDgpt-5-5 | Regionglobal | Input / 1M$2.5 | Output / 1M$15 | Context272K | 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 | Context1M | 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 |
| 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 |
| 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 | Context1.1M | 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 |
| ProviderOpenCode Zen | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderAzure | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderAIHubMix | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderVercel AI Gateway | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1M | Updated |
| ProviderEden AI | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderLLM Gateway | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderGitHub Copilot | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderKilo Gateway | Provider model IDopenai/gpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderPioneer | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1.1M | Updated |
| ProviderAbacus | Provider model IDgpt-5.5 | Regionglobal | Input / 1M$5 | Output / 1M$30 | Context1M | Updated |
| ProviderAmazon Bedrock | Provider model IDopenai.gpt-5.5 | Regionglobal | Input / 1M$5.5 | Output / 1M$33 | Context272K | Updated |
| ProviderVenice AI | Provider model IDopenai-gpt-55 | Regionglobal | Input / 1M$6.25 | Output / 1M$37.5 | Context1M | Updated |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
GPT-5.5 Runtime Performance
Provider-specific output speed and catalog latency for GPT-5.5. Runtime does not affect the capability score.
No runtime data
Browse runtime rankingsNo 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, pdf, 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 | LLMBoard83.7 | ParametersN/A | Context1.1M | Max output128K | Open weightsNo | LicenseProprietary |
GPT-5.5 vs nearby models
Open a comparison with the three ranked models immediately above and below this model.
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What is GPT-5.5?
Key information about GPT-5.5 and its available data.
5 is OpenAI's smartest model yet, designed for real work across agentic coding, computer use, knowledge work, and early scientific research. 4 per-token latency in real-world serving while reaching a much higher level of intelligence and using significantly fewer tokens to complete the same tasks.
0, OSWorld-Verified, GDPval, FrontierMath, and CyberGym.
Data as of 2026-08-17.
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?
44 provider offerings are linked to the default version.
What models should I compare GPT-5.5 with?
Nearby ranked alternatives include Claude Opus 4.8, Gemini 3.7 Flash, Claude Opus 4.7.