# OpenAI GPT-5.1 As of October 22, 2026, OpenAI GPT-5.1 ranks #55 of 123 models overall with 55.0 ±11.3 on the LLMBenchmark Index. GPT-5.1 ranks #24 of 108 in math, its strongest category. OpenAI GPT-5.1 costs $1.25 per million input tokens and $10.00 per million output tokens. GPT-5.1 was released on November 13, 2025. Page: https://llmbenchmark.ai/models/gpt-5-1 Data from October 22, 2026. Every figure below names the board it was read from and the day. - Maker: OpenAI - Released: November 13, 2025 - Price per million input tokens: $1.25 - Price per million output tokens: $10.00 - Context window: 400K tokens - Overall rank: 55 of 123, by the LLMBenchmark Index - LLMBenchmark Index: 55.0 ±11.3 (90% margin, from 6 of 7 inputs) - Artificial Analysis Intelligence Index: 24.7 - Vibe Coding Index: 40.4 (from 3 of 6 coding benchmarks) Benchmark results (101 of 195): - SWE-bench Verified: 66.0% (source: SWE-bench (swebench.com), read October 22, 2026) - LMArena WebDev: 1396 Elo (source: LMArena WebDev, read October 22, 2026) - GPQA Diamond: 86.6% (source: GPQA (Vals AI), read October 22, 2026) - AIME: 93.3% (source: AIME (Vals AI), read October 22, 2026) - MMLU Pro: 86.4% (source: MMLU Pro (Vals AI), read October 22, 2026) - AA Intelligence Index: 24.7 (source: Artificial Analysis (via OpenRouter), read October 22, 2026) - AA Coding Index: 49.4 (source: Artificial Analysis (via OpenRouter), read October 22, 2026) - Design Arena: websites: 1187 Elo (source: Design Arena, read October 22, 2026) - Design Arena: UI components: 1163 Elo (source: Design Arena, read October 22, 2026) - Design Arena: game dev: 1178 Elo (source: Design Arena, read October 22, 2026) - Design Arena: data viz: 1204 Elo (source: Design Arena, read October 22, 2026) - Design Arena: 3D: 1060 Elo (source: Design Arena, read October 22, 2026) - Design Arena: all code categories: 1170 Elo (source: Design Arena, read October 22, 2026) - Design Arena: SVG: 1149 Elo (source: Design Arena, read October 22, 2026) - Design Arena: ASCII art: 1119 Elo (source: Design Arena, read October 22, 2026) - LiveCodeBench (Vals AI): 86.5% (source: Vals AI boards, read October 22, 2026) - SWE-bench Verified (Vals AI): 69.8% (source: Vals AI boards, read October 22, 2026) - Vibe Code Bench (Vals AI): 24.6% (source: Vals AI boards, read October 22, 2026) - MMMU Pro (Vals AI): 83.2% (source: Vals AI boards, read October 22, 2026) - MGSM (Vals AI): 93.0% (source: Vals AI boards, read October 22, 2026) - SAGE (Vals AI): 43.2% (source: Vals AI boards, read October 22, 2026) - LegalBench (Vals AI): 85.7% (source: Vals AI boards, read October 22, 2026) - CaseLaw (Vals AI): 73.4% (source: Vals AI boards, read October 22, 2026) - CorpFin (Vals AI): 63.8% (source: Vals AI boards, read October 22, 2026) - TaxEval (Vals AI): 74.9% (source: Vals AI boards, read October 22, 2026) - MortgageTax (Vals AI): 61.4% (source: Vals AI boards, read October 22, 2026) - MedQA (Vals AI): 96.4% (source: Vals AI boards, read October 22, 2026) - MedCode (Vals AI): 52.7% (source: Vals AI boards, read October 22, 2026) - MedScribe (Vals AI): 88.1% (source: Vals AI boards, read October 22, 2026) - AA Math Index: 94.0 (source: Artificial Analysis, read October 22, 2026) - GPQA Diamond (Artificial Analysis run): 87.3% (source: Artificial Analysis, read October 22, 2026) - Humanity's Last Exam (Artificial Analysis run): 28.5% (source: Artificial Analysis, read October 22, 2026) - MMLU Pro (Artificial Analysis run): 87.0% (source: Artificial Analysis, read October 22, 2026) - LiveCodeBench (Artificial Analysis run): 86.8% (source: Artificial Analysis, read October 22, 2026) - Terminal-Bench Hard (Artificial Analysis run): 45.5% (source: Artificial Analysis, read October 22, 2026) - IFBench: 72.9% (source: Artificial Analysis, read October 22, 2026) - Long context reasoning (AA-LCR): 80.0% (source: Artificial Analysis, read October 22, 2026) - τ²-Bench Telecom: 81.9% (source: Artificial Analysis, read October 22, 2026) - AIME 2025 (Artificial Analysis run): 94.0% (source: Artificial Analysis, read October 22, 2026) - Terminal-Bench: 47.6% (source: Epoch AI benchmarking hub, read October 22, 2026) - GSO-Bench: 13.7% (source: Epoch AI benchmarking hub, read October 22, 2026) - WeirdML: 60.8% (source: Epoch AI benchmarking hub, read October 22, 2026) - DeepResearch Bench: 42.8% (source: Epoch AI benchmarking hub, read October 22, 2026) - GPQA Diamond (Epoch AI run): 87.6% (source: Epoch AI benchmarking hub, read October 22, 2026) - ARC-AGI: 72.8% (source: Epoch AI benchmarking hub, read October 22, 2026) - ARC-AGI-2: 17.6% (source: Epoch AI benchmarking hub, read October 22, 2026) - SimpleBench: 53.2% (source: Epoch AI benchmarking hub, read October 22, 2026) - Chess puzzles: 42.0% (source: Epoch AI benchmarking hub, read October 22, 2026) - Mystery game puzzles: 19.0% (source: Epoch AI benchmarking hub, read October 22, 2026) - OTIS Mock AIME: 88.6% (source: Epoch AI benchmarking hub, read October 22, 2026) - SimpleQA Verified: 48.0% (source: Epoch AI benchmarking hub, read October 22, 2026) - DTBench: 90.1% (source: Epoch AI benchmarking hub, read October 22, 2026) - LMCA: 43.9% (source: Epoch AI benchmarking hub, read October 22, 2026) - CL-bench: 23.7% (source: Epoch AI benchmarking hub, read October 22, 2026) - VPCT: 58.7% (source: Epoch AI benchmarking hub, read October 22, 2026) - CL-bench Life: 17.3% (source: Epoch AI benchmarking hub, read October 22, 2026) - Vending-Bench 2: $1,473 (source: Epoch AI benchmarking hub, read October 22, 2026) - Epoch Capabilities Index: 149.8 (source: Epoch AI benchmarking hub, read October 22, 2026) - LMArena Text: 1443 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: coding: 1453 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: hard prompts: 1457 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: math: 1446 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: instruction following: 1443 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: creative writing: 1427 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: 1250 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: English: 1451 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: non-English: 1431 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Chinese: 1495 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: German: 1438 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Japanese: 1453 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Korean: 1401 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: French: 1450 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Spanish: 1433 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Russian: 1435 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Polish: 1440 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: multi-turn: 1450 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: longer queries: 1448 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: expert: 1470 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: hard prompts in English: 1462 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: software and IT: 1454 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: mathematical work: 1449 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: science: 1459 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: medicine and healthcare: 1456 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: legal and government: 1459 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: business and finance: 1431 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: writing and language: 1428 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: entertainment and media: 1415 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena WebDev: React: 1307 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena WebDev: HTML: 1405 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena WebDev: from an image: 1421 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: English: 1252 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: Chinese: 1270 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: reading text: 1255 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: diagrams: 1264 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: homework: 1272 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: humor: 1263 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: captioning: 1252 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: recognizing things: 1232 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: creative writing: 1266 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Document: 1403 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - FACTS Benchmark Suite: 45.0% (source: Kaggle Benchmarks, read October 22, 2026)