OpenAI model product
GPT-5.6-Terra
6 model for workloads that weigh intelligence against cost.
Updated Sep 8, 2026. Default version: GPT-5.6 Terra
LLMBoard Score83.2GPT-5.6 Terra
Coverage20%45 benchmark families
Context window1.1MTokens
Official input price$2OpenAI API
GPT-5.6-Terra Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
GPT-5.6-Terra Benchmark Results
Benchmark scores for GPT-5.6 Terra.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkConnectors | Score100.00% | Rank01 | Participants3 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkNanoGPT | Score14.50% | Rank01 | Participants3 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkPostTrainBench Lite | Score51.50% | Rank01 | Participants3 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkSearch and Function-Calling | Score94.60% | Rank01 | Participants3 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkBig Finance Bench | Score51.00% | Rank02 | Participants3 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkCapture-the-Flag Challenges (Internal) | Score91.80% | Rank02 | Participants3 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkDeepSWE | Score69.60% | Rank02 | Participants13 | Percentile91.67% | EvidenceC | Evaluated |
| BenchmarkFrontierMath | Score84.90% | Rank02 | Participants17 | Percentile93.75% | EvidenceC | Evaluated |
| BenchmarkGraphwalks BFS 1M | Score71.20% | Rank02 | Participants3 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkInternal Research Debugging Evaluation | Score67.80% | Rank02 | Participants3 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkKernelGen 1P | Score49.20% | Rank02 | Participants3 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkManagement Consulting Tasks (Internal) | Score37.20% | Rank02 | Participants3 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkMedChemBench (Internal) | Score35.00% | Rank02 | Participants3 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkRSI Index | Score56.30% | Rank02 | Participants3 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkLM Arena Agent Tool Hallucination | Score0.78% | Rank02 | Participants49 | Percentile97.92% | EvidenceA | Evaluated |
| BenchmarkBenchCAD | Score62.30% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkBenchCAD (with Python tool) | Score78.20% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkExploitGym | Score23.20% | Rank03 | Participants5 | Percentile50.00% | EvidenceC | Evaluated |
| BenchmarkFrontierMath Tier 4 (v2) | Score68.30% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkGeneBench-Pro | Score23.30% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkHealthBench Consensus | Score95.10% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkHealthBench Hard | Score32.70% | Rank03 | Participants9 | Percentile75.00% | EvidenceC | Evaluated |
| BenchmarkLifeSciBench | Score56.00% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkMMMU-Pro (with tools) | Score82.00% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkMRCR v2 (8-needle, 512K-1M) | Score72.50% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkSEC-bench Pro | Score57.70% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkARC-AGI-3 | Score0.80% | Rank04 | Participants5 | Percentile25.00% | EvidenceC | Evaluated |
| BenchmarkArtificial Analysis | Score55.00% | Rank04 | Participants8 | Percentile57.14% | EvidenceB | Evaluated |
| BenchmarkGraphwalks BFS >128k | Score76.90% | Rank04 | Participants11 | Percentile70.00% | EvidenceC | Evaluated |
| BenchmarkHealthBench | Score57.00% | Rank04 | Participants9 | Percentile62.50% | EvidenceC | Evaluated |
GPT-5.6-Terra 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 | Rank02 | Rating / score0.01 | VotesN/A | Observations981.2K | Result date |
| Arenaagent steerability | Categoryoverall | Rank07 | Rating / score0.09 | VotesN/A | Observations18.2K | Result date |
| Arenadocument | Categoryoverall | Rank07 | Rating / score1,479.21 | Votes1,969 | ObservationsN/A | Result date |
| Arenadocument style control | Categoryoverall | Rank07 | Rating / score1,482.26 | Votes1,969 | ObservationsN/A | Result date |
| Arenatext factuality | Categorychinese | Rank08 | Rating / score1,533.00 | Votes1,323 | ObservationsN/A | Result date |
| Arenavision | Categorychinese | Rank08 | Rating / score1,358.11 | Votes286 | ObservationsN/A | Result date |
| Arenavision style control | Categoryhomework | Rank08 | Rating / score1,329.81 | Votes499 | ObservationsN/A | Result date |
| Arenatext factuality | Categorykorean | Rank09 | Rating / score1,434.73 | Votes232 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryexpert | Rank10 | Rating / score1,515.52 | Votes2,338 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry legal and government | Rank11 | Rating / score1,498.14 | Votes1,620 | ObservationsN/A | Result date |
| Arenavision style control | Categorychinese | Rank11 | Rating / score1,334.55 | Votes286 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry mathematical | Rank12 | Rating / score1,479.24 | Votes999 | ObservationsN/A | Result date |
| Arenatext style control | Categoryfrench | Rank12 | Rating / score1,505.91 | Votes790 | ObservationsN/A | Result date |
| Arenavision | Categoryhomework | Rank12 | Rating / score1,320.90 | Votes499 | ObservationsN/A | Result date |
| Arenatext style control | Categorygerman | Rank13 | Rating / score1,487.56 | Votes384 | ObservationsN/A | Result date |
| Arenatext style control | Categoryjapanese | Rank13 | Rating / score1,473.71 | Votes355 | ObservationsN/A | Result date |
| Arenawebdev | Categoryimage to webdev | Rank13 | Rating / score1,534.25 | Votes1,649 | ObservationsN/A | Result date |
| Arenatext | Categoryfrench | Rank15 | Rating / score1,485.91 | Votes790 | ObservationsN/A | Result date |
| Arenatext | Categoryjapanese | Rank16 | Rating / score1,455.51 | Votes355 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry mathematical | Rank16 | Rating / score1,493.85 | Votes1,266 | ObservationsN/A | Result date |
| Arenatext factuality | Categorymulti turn | Rank17 | Rating / score1,479.08 | Votes3,637 | ObservationsN/A | Result date |
| Arenaagent bash recovery steps | Categoryoverall | Rank18 | Rating / score0.07 | VotesN/A | Observations29.8K | Result date |
| Arenatext | Categorygerman | Rank18 | Rating / score1,467.77 | Votes384 | ObservationsN/A | Result date |
| Arenatext style control | Categoryexpert | Rank18 | Rating / score1,507.87 | Votes2,735 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryhard prompts | Rank19 | Rating / score1,495.58 | Votes15,941 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry business and management and financial operations | Rank19 | Rating / score1,473.07 | Votes4,289 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryrussian | Rank19 | Rating / score1,474.53 | Votes2,127 | ObservationsN/A | Result date |
| Arenatext style control | Categorymath | Rank19 | Rating / score1,482.44 | Votes1,021 | ObservationsN/A | Result date |
| Arenavision | Categorydiagram | Rank19 | Rating / score1,300.54 | Votes1,513 | ObservationsN/A | Result date |
| Arenavision style control | Categorycreative writing vision | Rank19 | Rating / score1,264.26 | Votes439 | ObservationsN/A | Result date |
GPT-5.6-Terra Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $2 input, $12 output per 1M
- Official provider
- OpenAI
- Lowest third-party
- From $1.5 input, $2 output per 1M via Xpersona
- Tracked offerings
- 37
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderKenari | Provider model IDgpt-5-6-terra | Regionglobal | Input / 1MN/A | Output / 1MN/A | Context1.1M | Updated |
| ProviderXpersona | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$1.5 | Output / 1M$2 | Context372K | Updated |
| Providerrouting.run | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$1.5 | Output / 1M$9 | Context1M | Updated |
| ProviderOrcaRouter | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderNanoGPT | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderImpossibl | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderOpenRouter | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderCrossModel | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderOpenAI | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderOpper | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderLLM Gateway | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderMerge Gateway | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderCloudflare AI Gateway | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderOfox | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderNeon | Provider model IDgpt-5-6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderRequesty | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderAzure | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderVercel AI Gateway | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderEden AI | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderDevPass (LLM Gateway) | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderGitHub Copilot | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderKilo Gateway | Provider model IDopenai/gpt-5.6-terra-pro | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderKilo Gateway | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2 | Output / 1M$12 | Context1.1M | Updated |
| ProviderCortecs | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$2.2 | Output / 1M$13.2 | Context1.1M | Updated |
| ProviderAmazon Bedrock | Provider model IDopenai.gpt-5.6-terra | Regionglobal | Input / 1M$2.2 | Output / 1M$13.2 | Context1.1M | Updated |
| ProviderAI-ROUTER | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$2.5 | Output / 1M$15 | Context1.1M | Updated |
| ProviderDatabricks | Provider model IDdatabricks-gpt-5-6-terra | Regionglobal | Input / 1M$2.5 | Output / 1M$15 | Context1.1M | Updated |
| ProviderVivgrid | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$2.5 | Output / 1M$15 | Context1.1M | Updated |
| ProviderZenMux | Provider model IDopenai/gpt-5.6-terra | Regionglobal | Input / 1M$2.5 | Output / 1M$15 | Context1.1M | Updated |
| ProviderSAP AI Core | Provider model IDgpt-5.6-terra | Regionglobal | Input / 1M$2.5 | Output / 1M$15 | Context1.1M | Updated |
GPT-5.6-Terra Runtime Performance
Provider-specific output speed and catalog latency for GPT-5.6 Terra. Runtime does not affect the capability score.
Sort by
Provider | Output Speed | Catalog Latency | Max Input | Max Output | Updated |
|---|
| ProviderOpenAI | Output Speed99.35 tok/s | Catalog Latency3.82 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-Terra Specifications
Technical details for the model's default version.
- Version
- GPT-5.6 Terra
- 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-Terra 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 Terra | Released | LLMBoard83.21 | ParametersN/A | Context1.1M | Max output128K | Open weightsNo | LicenseProprietary |
Models similar to GPT-5.6-Terra
Recommendations prioritize the same model type and family, then the closest LLMBoard score.
OP
GPT-5.5
OpenAI
OP
GPT-5.6-Sol
OpenAI
OP
GPT-5.4
OpenAI
OP
GPT-5.5-Pro
OpenAI
OP
GPT-5.6-Luna
OpenAI
OP
GPT-5.2-Pro
OpenAI
What is GPT-5.6-Terra?
Key information about GPT-5.6-Terra and its available data.
05M-token context window. 5 at roughly half the price.
Data as of 2026-09-08.
FAQ
Common questions about GPT-5.6-Terra.
When was GPT-5.6-Terra released?
GPT-5.6-Terra's default version was released on Jul 9, 2026.
How much does GPT-5.6-Terra cost?
GPT-5.6-Terra's official API price is $2 per million input tokens and $12 per million output tokens via OpenAI. The lowest tracked third-party offer starts at $1.5 input and $2 output via Xpersona.
Who created GPT-5.6-Terra?
GPT-5.6-Terra was created by OpenAI.
What is the context window for GPT-5.6-Terra?
The default version has a 1.1M token context window.
Is GPT-5.6-Terra open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer GPT-5.6-Terra?
37 provider offerings are linked to the default version.