OpenAI model product
GPT-5.6-Luna
05M-token context window.
Updated Sep 8, 2026. Default version: GPT-5.6 Luna
LLMBoard Score73.8GPT-5.6 Luna
Coverage20%45 benchmark families
Context window1.1MTokens
Official input price$0.20OpenAI API
GPT-5.6-Luna Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
GPT-5.6-Luna Benchmark Results
Benchmark scores for GPT-5.6 Luna.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkBenchCAD | Score63.10% | Rank02 | Participants4 | Percentile66.67% | EvidenceC | Evaluated |
| BenchmarkGraphwalks BFS >128k | Score81.30% | Rank02 | Participants11 | Percentile90.00% | EvidenceC | Evaluated |
| BenchmarkHealthBench Consensus | Score95.10% | Rank02 | Participants4 | Percentile66.67% | EvidenceC | Evaluated |
| BenchmarkBig Finance Bench | Score36.00% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkCapture-the-Flag Challenges (Internal) | Score85.20% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkConnectors | Score99.90% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkFrontierMath | Score78.60% | Rank03 | Participants17 | Percentile87.50% | EvidenceC | Evaluated |
| BenchmarkGraphwalks BFS 1M | Score51.20% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkInternal Research Debugging Evaluation | Score50.80% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkKernelGen 1P | Score22.40% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkManagement Consulting Tasks (Internal) | Score35.40% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkMedChemBench (Internal) | Score30.40% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkNanoGPT | Score1.66% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkPostTrainBench Lite | Score29.60% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkRSI Index | Score41.90% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkSearch and Function-Calling | Score89.70% | Rank03 | Participants3 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkBenchCAD (with Python tool) | Score73.90% | Rank04 | Participants4 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkDeepSWE | Score67.20% | Rank04 | Participants13 | Percentile75.00% | EvidenceC | Evaluated |
| BenchmarkFrontierMath Tier 4 (v2) | Score58.50% | Rank04 | Participants4 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkGeneBench-Pro | Score10.80% | Rank04 | Participants4 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkHealthBench Hard | Score32.00% | Rank04 | Participants9 | Percentile62.50% | EvidenceC | Evaluated |
| BenchmarkLifeSciBench | Score51.20% | Rank04 | Participants4 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkMMMU-Pro (with tools) | Score79.50% | Rank04 | Participants4 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkMRCR v2 (8-needle, 512K-1M) | Score41.30% | Rank04 | Participants4 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkSEC-bench Pro | Score48.90% | Rank04 | Participants4 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkARC-AGI-3 | Score0.18% | Rank05 | Participants5 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkExploitGym | Score12.40% | Rank05 | Participants5 | Percentile0.00% | EvidenceC | Evaluated |
| BenchmarkLM Arena Agent Tool Hallucination | Score0.78% | Rank05 | Participants49 | Percentile91.67% | EvidenceA | Evaluated |
| BenchmarkArtificial Analysis | Score51.00% | Rank06 | Participants8 | Percentile28.57% | EvidenceB | Evaluated |
| BenchmarkExploitBench | Score33.20% | Rank06 | Participants6 | Percentile0.00% | EvidenceC | Evaluated |
GPT-5.6-Luna Arena Results
Preference and agent-evaluation results for the default version.
Sort by
Arena | Category | Rank | Rating / score | Votes | Observations | Result date |
|---|
| Arenaagent tool hallucination | Categoryoverall | Rank05 | Rating / score0.01 | VotesN/A | Observations1.5M | Result date |
| Arenadocument style control | Categoryoverall | Rank13 | Rating / score1,466.73 | Votes1,888 | ObservationsN/A | Result date |
| Arenadocument | Categoryoverall | Rank14 | Rating / score1,462.30 | Votes1,888 | ObservationsN/A | Result date |
| Arenatext style control | Categorygerman | Rank14 | Rating / score1,486.00 | Votes428 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryfrench | Rank15 | Rating / score1,490.18 | Votes548 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryexpert | Rank16 | Rating / score1,505.94 | Votes2,332 | ObservationsN/A | Result date |
| Arenaagent steerability | Categoryoverall | Rank17 | Rating / score0.02 | VotesN/A | Observations18.5K | Result date |
| Arenatext factuality | Categoryindustry legal and government | Rank18 | Rating / score1,487.42 | Votes1,647 | ObservationsN/A | Result date |
| Arenaagent bash recovery steps | Categoryoverall | Rank19 | Rating / score0.07 | VotesN/A | Observations38.5K | Result date |
| Arenatext factuality | Categorymath | Rank19 | Rating / score1,468.58 | Votes882 | ObservationsN/A | Result date |
| Arenawebdev | Categoryimage to webdev | Rank20 | Rating / score1,495.82 | Votes1,693 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry mathematical | Rank21 | Rating / score1,467.06 | Votes1,020 | ObservationsN/A | Result date |
| Arenatext | Categoryjapanese | Rank22 | Rating / score1,432.76 | Votes347 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryspanish | Rank22 | Rating / score1,451.92 | Votes421 | ObservationsN/A | Result date |
| Arenatext style control | Categoryjapanese | Rank22 | Rating / score1,448.52 | Votes347 | ObservationsN/A | Result date |
| Arenatext style control | Categorymath | Rank22 | Rating / score1,478.03 | Votes1,094 | ObservationsN/A | Result date |
| Arenatext | Categorygerman | Rank23 | Rating / score1,462.85 | Votes428 | ObservationsN/A | Result date |
| Arenaagent | Categoryoverall | Rank24 | Rating / score0.02 | VotesN/A | Observations1.6M | Result date |
| Arenavision style control | Categoryhomework | Rank24 | Rating / score1,291.30 | Votes502 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry business and management and financial operations | Rank25 | Rating / score1,465.39 | Votes4,423 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry software and it services | Rank27 | Rating / score1,499.16 | Votes9,848 | ObservationsN/A | Result date |
| Arenaagent praise complaint | Categoryoverall | Rank28 | Rating / score0.00 | VotesN/A | Observations5.4K | Result date |
| Arenaagent task outcome explicit | Categoryoverall | Rank28 | Rating / score0.01 | VotesN/A | Observations15K | Result date |
| Arenatext factuality | Categoryhard prompts | Rank28 | Rating / score1,486.14 | Votes16,415 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry mathematical | Rank28 | Rating / score1,479.80 | Votes1,270 | ObservationsN/A | Result date |
| Arenavision | Categoryhomework | Rank28 | Rating / score1,284.94 | Votes502 | ObservationsN/A | Result date |
| Arenavision style control | Categoryenglish | Rank28 | Rating / score1,260.63 | Votes2,061 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryinstruction following | Rank29 | Rating / score1,459.27 | Votes8,740 | ObservationsN/A | Result date |
| Arenatext style control | Categoryspanish | Rank30 | Rating / score1,461.29 | Votes677 | ObservationsN/A | Result date |
| Arenawebdev | Categorywebdev-html | Rank30 | Rating / score1,523.20 | Votes774 | ObservationsN/A | Result date |
GPT-5.6-Luna Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $0.20 input, $1.2 output per 1M
- Official provider
- OpenAI
- Lowest third-party
- From $0.20 input, $1.2 output per 1M via OrcaRouter
- Tracked offerings
- 37
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderKenari | Provider model IDgpt-5-6-luna | Regionglobal | Input / 1MN/A | Output / 1MN/A | Context1.1M | Updated |
| ProviderOrcaRouter | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderNanoGPT | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderImpossibl | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderOpenRouter | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderCrossModel | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderOpenAI | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderOpenCode Go | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderOpper | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderLLM Gateway | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderMerge Gateway | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderCloudflare AI Gateway | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderOfox | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderNeon | Provider model IDgpt-5-6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderOpenCode Zen | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderRequesty | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderAzure | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderVercel AI Gateway | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderEden AI | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderDevPass (LLM Gateway) | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderGitHub Copilot | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderKilo Gateway | Provider model IDopenai/gpt-5.6-luna | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderKilo Gateway | Provider model IDopenai/gpt-5.6-luna-pro | Regionglobal | Input / 1M$0.20 | Output / 1M$1.2 | Context1.1M | Updated |
| ProviderCortecs | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$0.219 | Output / 1M$1.32 | Context1.1M | Updated |
| ProviderAmazon Bedrock | Provider model IDopenai.gpt-5.6-luna | Regionglobal | Input / 1M$0.22 | Output / 1M$1.32 | Context1.1M | Updated |
| ProviderVenice AI | Provider model IDopenai-gpt-56-luna | Regionglobal | Input / 1M$0.25 | Output / 1M$1.5 | Context1M | Updated |
| Providerrouting.run | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$0.70 | Output / 1M$4.2 | Context1M | Updated |
| ProviderAI-ROUTER | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$1 | Output / 1M$6 | Context1.1M | Updated |
| ProviderDatabricks | Provider model IDdatabricks-gpt-5-6-luna | Regionglobal | Input / 1M$1 | Output / 1M$6 | Context400K | Updated |
| ProviderVivgrid | Provider model IDgpt-5.6-luna | Regionglobal | Input / 1M$1 | Output / 1M$6 | Context1.1M | Updated |
GPT-5.6-Luna Runtime Performance
Provider-specific output speed and catalog latency for GPT-5.6 Luna. Runtime does not affect the capability score.
Sort by
Provider | Output Speed | Catalog Latency | Max Input | Max Output | Updated |
|---|
| ProviderOpenAI | Output Speed41.87 tok/s | Catalog Latency15.01 s | Max Input1.1M | Max Output128K | Updated |
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
GPT-5.6-Luna Specifications
Technical details for the model's default version.
- Version
- GPT-5.6 Luna
- Released
- Jul 9, 2026
- Knowledge cutoff
- Feb 16, 2026
- Parameters
- N/A
- Context window
- 1.1M
- Max output
- 128K
- Inputs
- image, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
GPT-5.6-Luna 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-5.6 Luna | Released | LLMBoard73.81 | ParametersN/A | Context1.1M | Max output128K | Open weightsNo | LicenseProprietary |
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What is GPT-5.6-Luna?
Key information about GPT-5.6-Luna and its available data.
6 family. 05M-token context window.
Data as of 2026-09-08.
FAQ
Common questions about GPT-5.6-Luna.
When was GPT-5.6-Luna released?
GPT-5.6-Luna's default version was released on Jul 9, 2026.
How much does GPT-5.6-Luna cost?
GPT-5.6-Luna's official API price is $0.20 per million input tokens and $1.2 per million output tokens via OpenAI. The lowest tracked third-party offer starts at $0.20 input and $1.2 output via OrcaRouter.
Who created GPT-5.6-Luna?
GPT-5.6-Luna was created by OpenAI.
What is the context window for GPT-5.6-Luna?
The default version has a 1.1M token context window.
Is GPT-5.6-Luna open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer GPT-5.6-Luna?
37 provider offerings are linked to the default version.