GPT-6 Astra
OpenAI’s GPT-6 flagship for complex coding, research and agentic work.
OpenAIReleased 3 September 2026Context 1M tokensOutput 128k tokensPrivate weights$10.00 in / $50.00 out per Mtok
Where it stands
Rank compares tracked models with a score. Published shows the source’s rank and field size, when available.
| Benchmark | Score | Rank | Published | Leader | Behind |
|---|---|---|---|---|---|
| Vals IndexVals AI | 63.13% | 6of 33 | 6of 41 | Gemini 4 Argon | 5.77 pts |
| Artificial Analysis Intelligence IndexArtificial Analysis | 53 | 3of 42 | no list read | Claude Opus 5.5 | 5 pts |
| Terminal-Bench 4.0Artificial Analysis | 59.09% | 3of 40 | no list read | Claude Sonnet 5.5 | 4.55 pts |
| Vibe Code Bench v1.1Vals AI | 89.59% | 6of 38 | 6of 106 | Claude Sonnet 5.5 | 2.80 pts |
| Terminal-Bench Science 0.1Artificial Analysis | 63.33% | 1of 24 | no list read | GPT-6 Astra | — |
| ProgramBenchVals AI | 5.50% | 3of 29 | 3of 54 | Claude Opus 5.5 | 13.00 pts |
| τ³-BankingArtificial Analysis | 41.44% | 15of 30 | no list read | Qwen3.8 Max | 9.90 pts |
| ITBench-AAArtificial Analysis | 48.59% | 7of 18 | no list read | GPT-5.6 Sol | 7.62 pts |
| AA-AnalystAgentArtificial Analysis | 51.25% | 4of 18 | no list read | Gemini 3.7 Flash | 8.75 pts |
| MLCR-AAArtificial Analysis | 35.00% | 12of 37 | no list read | Claude Sonnet 5.5 | 40.00 pts |
| ARC-AGI-3ARC Prize · Standard | 62.71% | 1of 11 | no list read | GPT-6 Astra | — |
| SWE-Bench Pro V2 FullScale AI / SEAL | 96.90% | 4of 10 | no list read | Claude Opus 5 | 2.50 pts |
| SWE-Bench Pro V2 HARDScale AI / SEAL | 90.20% | 3of 10 | no list read | Claude Opus 5 | 7.80 pts |
| Vals RSI IndexVals AI | 27.07% | 6of 20 | 6of 23 | Claude Opus 5.5 | 10.24 pts |
| Vibe Code Bench 1–100Vals AI | 27.64% | 4of 20 | 4of 20 | Claude Opus 5.5 | 2.72 pts |
| CUA-benchVals AI | 19.17% | 1of 8 | 1of 8 | GPT-6 Astra | — |
| AutomationBench-AAArtificial Analysis | 68.49% | 5of 40 | no list read | Gemini 4 Argon | 9.02 pts |
| SciCodeArtificial Analysis | 56.48% | 18of 40 | no list read | Claude Opus 5.5 | 10.42 pts |
| GDP.pdfArtificial Analysis | 31.00% | 1of 40 | no list read | GPT-6.1 Sol | — |
| CritPtArtificial Analysis | 31.71% | 2of 42 | no list read | GPT-5.6 Sol | 0.58 pts |
| AA-OmniscienceArtificial Analysis | 43.4 | 3of 42 | no list read | Claude Opus 5.5 | 3.02 |
| AA-LCR v1.1Artificial Analysis | 80.67% | 25of 42 | no list read | Kimi K3 | 8.00 pts |
| Terminal-Bench 2.1Vals AI | 87.27% | 2of 35 | 2of 75 | Claude Opus 5.5 | 0.37 pts |
| ProofBench v1.1Vals AI | 99.00% | 4of 34 | 5of 46 | Claude Sonnet 5.5 | 1.00 pts |
| Harvey's Legal Agent BenchmarkVals AI | 5.42% | 23of 37 | 29of 73 | Muse Spark 1.2 | 20.00 pts |
| MysteryMechanismVals AI | 53.15% | 1of 21 | 1of 21 | GPT-6 Astra | — |
| BioMysteryBenchVals AI | 79.26% | 3of 19 | 3of 21 | Claude Sonnet 5.5 | 1.85 pts |
| Code MigrationVals AI | 67.74% | 3of 37 | 3of 71 | Claude Sonnet 5.5 | 2.09 pts |
| CyberBench v1.1Vals AI | 41.07% | 29of 31 | 40of 43 | GPT-6 Sol | 36.91 pts |
| EMBVals AI | 71.70% | 9of 37 | 9of 69 | Claude Fable 5.1 | 4.97 pts |
| Finance Agent (v2)Vals AI | 53.54% | 23of 37 | 28of 73 | Gemini 4 Argon | 11.86 pts |
| IOIVals AI | 100.00% | 1of 31 | 1of 38 | Gemini 4 Argon | — |
| Legal Research BenchVals AI | 39.42% | 24of 37 | 26of 72 | Muse Spark 1.3 Max | 15.87 pts |
| MedCodeVals AI | 48.49% | 16of 35 | 27of 104 | Claude Opus 5 | 15.08 pts |
| MedScribeVals AI | 87.91% | 12of 36 | 14of 106 | Claude Opus 5.5 | 3.52 pts |
| SAGEVals AI | 46.37% | 21of 32 | 36of 90 | Claude Opus 4.7 | 9.73 pts |
| SRE BenchVals AI | 56.87% | 1of 15 | 1of 16 | GPT-6 Astra | — |
| Tax Agent BenchVals AI | 63.34% | 21of 37 | 24of 64 | Claude Fable 5.1 | 14.30 pts |
| DeepSWE v1.1Datacurve | 74.12% | 1of 20 | 1of 28 | GPT-6 Astra | — |
| GDPval-AA v2.1Artificial Analysis | 1,541.89 | 23of 42 | no list read | Claude Opus 5.5 | 304.28 |
| AA-Briefcase v1.1Artificial Analysis | 1,568.86 | 10of 41 | no list read | Claude Opus 5.5 | 252.99 |
| Humanity's Last ExamArtificial Analysis | 54.68% | 7of 42 | no list read | Claude Opus 5.5 | 6.67 pts |
Nearby on Vals Index
The two models above and below on the Vals Index (Vals AI), on every column where this model has a published number.
| Model | Vals Index | Artificial Analysis Intelligence Index | Terminal-Bench 4.0 | Vibe Code Bench v1.1 | Terminal-Bench Science 0.1 | ProgramBench |
|---|---|---|---|---|---|---|
| Claude Fable 5.1Anthropic | 65.83% | 53 | 52.02% | 90.26% | 43.33% | 7.00% |
| Claude Opus 5Anthropic | 63.67% | 51 | 48.99% | 88.40% | 28.57% | 3.00% |
| GPT-6 AstraOpenAI | 63.13% | 53 | 59.09% | 89.59% | 63.33% | 5.50% |
| Claude Fable 5Anthropic | 61.39% | 50 | 42.42% | 90.35% | – | 2.00% |
| GPT-6.1 SolOpenAI | 61.15% | 52 | 56.06% | 88.93% | 58.10% | – |
Cost and speed, as published
Additional measurements from Artificial Analysis’ own row. Read 30 September 2026.
| As published | Cost per task | Output speed |
|---|---|---|
| GPT-6 Astra (max) | $3.26 | 55.7 tok/s |
Results by benchmark
Independent and vendor results retain their own harnesses and effort settings.
| Benchmark | Independent run | As reported by a publisher |
|---|---|---|
| τ³-BankingTool use | 41.44%Artificial Analysis | not published |
| ITBench-AAIT operations | 48.59%Artificial Analysis | not published |
| AA-AnalystAgentData analysis | 51.25%Artificial Analysis | not published |
| MLCR-AAMedical reasoning | 35.00%Artificial Analysis | not published |
| ARC-AGI-3Interactive reasoning | 62.71%ARC Prize · Standard 99.95%ARC Prize · Provider adapter | not published |
| SWE-Bench Pro V2 FullRepository coding | 96.90%Scale AI / SEAL | not published |
| SWE-Bench Pro V2 HARDRepository coding | 90.20%Scale AI / SEAL | not published |
| Vals RSI IndexAutonomous research | 27.07%Vals AI | not published |
| Vibe Code Bench 1–100Application development | 27.64%Vals AI | not published |
| CUA-benchComputer use | 19.17%Vals AI | not published |
| PLawBenchProfessional knowledge | no published result | 69.1%PLawBenchZ.ai · 12 October 2026Rank 5 of 5 in this publisher table |
| LABBench 2Scientific reasoning | no published result | 85.4%LABBench 2Google DeepMind · October 2026Rank 2 of 4 in this publisher table |
| RiemannBenchMathematics | no published result | 72.0%RiemannBenchGoogle DeepMind · October 2026Rank 2 of 4 in this publisher table |
| GraphWalks (up to 128k)Long context | no published result | 98.7%GraphWalks (Up to 128k, BFS F1)Google DeepMind · October 2026Rank 2 of 4 in this publisher table |
| GraphWalks (256k to 1M)Long context | no published result | 71.8%GraphWalks (256k to 1M, BFS F1)Google DeepMind · October 2026Rank 2 of 4 in this publisher table |
| LVBenchVideo understanding | no published result | 87.5%LVBench (no tools)Google DeepMind · October 2026Rank 2 of 4 in this publisher table |
| CWE-bench v1Security | no published result | 68.0%CWE-bench v1Google DeepMind · October 2026Rank 1 of 4 in this publisher table |
| AutomationBench-AAWorkflow automation | 68.49%Artificial Analysis | not published |
| SciCodeScientific coding | 56.48%Artificial Analysis | not published |
| GDP.pdfDocument reasoning | 31.00%Artificial Analysis | not published |
| CritPtScientific reasoning | 31.71%Artificial Analysis | not published |
| AA-OmniscienceFactual knowledge | 43.4Artificial Analysis | not published |
| AA-LCR v1.1Long-context reasoning | 80.67%Artificial Analysis | not published |
| Terminal-Bench 4.0Agentic coding | 59.09%Artificial Analysis 59.60%Vals AI | 58.2%Terminal-Bench 4.0Google DeepMind · October 2026Rank 2 of 4 in this publisher table 57.9%Terminal-Bench 4.0OpenAI · 3 September 2026Rank 1 of 6 in this publisher table 57.9%Terminal-Bench 4.0Anthropic · 22 September 2026Rank 2 of 5 in this publisher table |
| Terminal-Bench 2.1Agentic coding | 87.27%Vals AI 88.39%Artificial Analysis | not published |
| GPQA DiamondScience reasoning | 96.06%Artificial Analysis | 96.0%GPQA DiamondOpenAI · 3 September 2026Rank 1 of 6 in this publisher table |
| MMMU ProMultimodal reasoning | 86.88%Artificial Analysis | not published |
| Vibe Code Bench v1.1Product coding | 89.59%Vals AI | 89.6%Vibe Code BenchGoogle DeepMind · October 2026Rank 4 of 4 in this publisher table |
| Terminal-Bench Science 0.1Agentic science | 63.33%Artificial Analysis 62.86%Vals AI | 68.1%Terminal-Bench Science 0.1Google DeepMind · October 2026Rank 1 of 4 in this publisher table 64.6%Terminal-Bench Science 0.1OpenAI · 3 September 2026Rank 1 of 5 in this publisher table 64.6%Terminal-Bench-Science 0.1Anthropic · 22 September 2026Rank 1 of 5 in this publisher table 68.1%Terminal-Bench Science 0.1OpenAI · 29 September 2026Rank 1 of 4 in this publisher table |
| ProgramBenchAgentic coding | 5.50%Vals AI | not published |
| ProofBench v1.1Mathematics | 99.00%Vals AI | not published |
| LegalBenchProfessional knowledge | no published result | 87.1%LegalBenchZ.ai · 12 October 2026Rank 2 of 5 in this publisher table |
| Harvey's Legal Agent BenchmarkProfessional knowledge | 5.42%Vals AI | 5.4%Harvey's Legal Agent BenchmarkZ.ai · 12 October 2026Rank 5 of 5 in this publisher table 5.4%Harvey's Legal Agent BenchmarkGoogle DeepMind · October 2026Rank 3 of 4 in this publisher table |
| MysteryMechanismScientific reasoning | 53.15%Vals AI | not published |
| Vals IndexComposite | 63.13%Vals AI | 63.1%Vals IndexGoogle DeepMind · October 2026Rank 4 of 4 in this publisher table |
| BioMysteryBenchAgentic science | 79.26%Vals AI | not published |
| Code MigrationAgentic coding | 67.74%Vals AI | not published |
| CyberBench v1.1Security | 41.07%Vals AI | not published |
| EMBFinancial modelling | 71.70%Vals AI | not published |
| Finance Agent (v2)Financial analysis | 53.54%Vals AI | 53.5%Vals Finance Agent v2Google DeepMind · October 2026Rank 4 of 4 in this publisher table |
| IOICompetitive programming | 100.00%Vals AI | not published |
| Legal Research BenchProfessional knowledge | 39.42%Vals AI | not published |
| MedCodeHealthcare administration | 48.49%Vals AI | not published |
| MedScribeHealthcare administration | 87.91%Vals AI | not published |
| SAGEEducation | 46.37%Vals AI | not published |
| SRE BenchSecurity | 56.87%Vals AI | not published |
| Tax Agent BenchProfessional knowledge | 63.34%Vals AI | not published |
| OSWorld 2.0Computer use | no published result | 72.6%OSWorld 2.0 (offline set, partial reward)Google DeepMind · October 2026Rank 1 of 2 in this publisher table 72.6%OSWorld 2.0 (offline set, partial reward)OpenAI · 3 September 2026Rank 1 of 3 in this publisher table 73.5%OSWorld 2.0 (offline set, partial reward)OpenAI · 29 September 2026Rank 1 of 3 in this publisher table |
| AutomationBenchBusiness workflows | no published result | 41.4%AutomationBenchGoogle DeepMind · October 2026Rank 3 of 4 in this publisher table 41.4%AutomationBench 1.0.6OpenAI · 3 September 2026Rank 1 of 5 in this publisher table 41.4%AutomationBenchAnthropic · 22 September 2026Rank 1 of 5 in this publisher table 41.4%AutomationBench 1.0.6OpenAI · 29 September 2026Rank 2 of 5 in this publisher table |
| DeepSWE v1.1Software engineering | 74.12%Datacurve | 74.1%DeepSWE v1.1Google DeepMind · October 2026Rank 3 of 4 in this publisher table 74.1%DeepSWE v1.1OpenAI · 3 September 2026Rank 1 of 6 in this publisher table 74.1%DeepSWE v1.1OpenAI · 29 September 2026Rank 2 of 3 in this publisher table |
| FrontierCode v1.1Agentic coding | no published result | 53.3FrontierCode 1.1 MainOpenAI · 3 September 2026Rank 3 of 6 in this publisher table 53.3%FrontierCode v1.1 (Main)Anthropic · 22 September 2026Rank 2 of 5 in this publisher table |
| GDPval-AA v2.1Knowledge work | 1,541.89Artificial Analysis | 1,542GDPval-AA v2.1Anthropic · 22 September 2026Rank 5 of 5 in this publisher table |
| AA-Briefcase v1.1Knowledge work | 1,568.86Artificial Analysis | not published |
| ChartographyVisual chart recognition | no published result | 71.0%Chartography (no tools)Google DeepMind · October 2026Rank 2 of 4 in this publisher table |
| Humanity's Last ExamMultidisciplinary reasoning | 54.68%Artificial Analysis | 57.2%Humanity's Last Exam (with tools)OpenAI · 3 September 2026Rank 4 of 4 in this publisher table 57.2%Humanity's Last Exam (with tools)Anthropic · 22 September 2026Rank 4 of 4 in this publisher table |
| ARC-AGI-2Abstract reasoning | no published result | 95.0%ARC-AGI-2OpenAI · 3 September 2026Rank 1 of 5 in this publisher table |
| FrontierMath Tier 4 (v2)Mathematics | no published result | 97.6%FrontierMath Tier 4 (v2)OpenAI · 3 September 2026Rank 1 of 5 in this publisher table |
| Agents' Last ExamComputer use | no published result | 34.2%Agent's Last Exam (binary pass rate)Google DeepMind · October 2026Rank 3 of 3 in this publisher table 59.3%Agents' Last ExamOpenAI · 3 September 2026Rank 1 of 4 in this publisher table |
| Artificial Analysis Intelligence IndexComposite | 53Artificial Analysis | not published |
| FrontierSWEAgentic research | no published result | 65.5%FrontierSWE v2Google DeepMind · October 2026Rank 1 of 4 in this publisher table |
| PostTrainBenchAI research | no published result | 44.3%PostTrainBench v1.1Google DeepMind · October 2026Rank 3 of 4 in this publisher table |
Sources
Read on 17 October 2026.
- OpenAI announcementopenai.com/index/gpt-6-astra/
- Vals AI model pagewww.vals.ai/models/openai_gpt-6-astra