# SpaceXAI Grok 4.5 As of October 22, 2026, SpaceXAI Grok 4.5 ranks #35 of 124 models overall with 62.1 ±9.0 on the LLMBenchmark Index. Grok 4.5 ranks #28 of 133 in web design, its strongest category. SpaceXAI Grok 4.5 costs $2.00 per million input tokens and $6.00 per million output tokens. Grok 4.5 was released on July 8, 2026. Page: https://llmbenchmark.ai/models/grok-4-5 Data from October 22, 2026. Every figure below names the board it was read from and the day. - Maker: xAI - Released: July 8, 2026 - Price per million input tokens: $2.00 - Price per million output tokens: $6.00 - Context window: 500K tokens - Overall rank: 35 of 124, by the LLMBenchmark Index - LLMBenchmark Index: 62.1 ±9.0 (90% margin, from 7 of 7 inputs) - Artificial Analysis Intelligence Index: 38.8 - Vibe Coding Index: 58.6 (from 6 of 6 coding benchmarks) Benchmark results (123 of 195): - LiveBench coding: 94.3% (source: LiveBench, read October 22, 2026) - LMArena WebDev: 1553 Elo (source: LMArena WebDev, read October 22, 2026) - GPQA Diamond: 92.9% (source: GPQA (Vals AI), read October 22, 2026) - MMLU Pro: 89.2% (source: MMLU Pro (Vals AI), read October 22, 2026) - AA Intelligence Index: 38.8 (source: Artificial Analysis (via OpenRouter), read October 22, 2026) - AA Coding Index: 72.4 (source: Artificial Analysis (via OpenRouter), read October 22, 2026) - AA Agentic Index: 41.2 (source: Artificial Analysis (via OpenRouter), read October 22, 2026) - Design Arena: websites: 1281 Elo (source: Design Arena, read October 22, 2026) - Design Arena: UI components: 1277 Elo (source: Design Arena, read October 22, 2026) - Design Arena: game dev: 1263 Elo (source: Design Arena, read October 22, 2026) - Design Arena: data viz: 1266 Elo (source: Design Arena, read October 22, 2026) - Design Arena: 3D: 1257 Elo (source: Design Arena, read October 22, 2026) - Design Arena: all code categories: 1275 Elo (source: Design Arena, read October 22, 2026) - Design Arena: SVG: 1214 Elo (source: Design Arena, read October 22, 2026) - Design Arena: ASCII art: 1257 Elo (source: Design Arena, read October 22, 2026) - Design Arena: agents building web apps: 1218 Elo (source: Design Arena, read October 22, 2026) - Design Arena: agents building full-stack apps: 1249 Elo (source: Design Arena, read October 22, 2026) - Design Arena: agents building mobile apps: 1220 Elo (source: Design Arena, read October 22, 2026) - Design Arena: agents building Android apps: 1236 Elo (source: Design Arena, read October 22, 2026) - Design Arena: agents building Godot games: 1229 Elo (source: Design Arena, read October 22, 2026) - Design Arena: agents building games: 1236 Elo (source: Design Arena, read October 22, 2026) - Design Arena: HTML slides: 1155 Elo (source: Design Arena, read October 22, 2026) - Design Arena: PowerPoint slides: 1209 Elo (source: Design Arena, read October 22, 2026) - LiveBench reasoning: 87.2% (source: LiveBench, read October 22, 2026) - LiveBench data analysis: 73.0% (source: LiveBench, read October 22, 2026) - LiveBench research: 85.9% (source: LiveBench, read October 22, 2026) - LiveBench browser: 44.0% (source: LiveBench, read October 22, 2026) - LiveBench long agentic: 27.9% (source: LiveBench, read October 22, 2026) - LiveBench design: 78.1% (source: LiveBench, read October 22, 2026) - LiveCodeBench (Vals AI): 87.3% (source: Vals AI boards, read October 22, 2026) - SWE-bench Verified (Vals AI): 86.6% (source: Vals AI boards, read October 22, 2026) - Terminal-Bench 4 (Vals AI): 8.6% (source: Vals AI boards, read October 22, 2026) - Vibe Code Bench (Vals AI): 69.0% (source: Vals AI boards, read October 22, 2026) - Code migration (Vals AI): 36.6% (source: Vals AI boards, read October 22, 2026) - ProgramBench (Vals AI): 0.0% (source: Vals AI boards, read October 22, 2026) - SREBench (Vals AI): 0.8% (source: Vals AI boards, read October 22, 2026) - IOI (Vals AI): 40.6% (source: Vals AI boards, read October 22, 2026) - Terminal-Bench 2.1 (Vals AI): 67.8% (source: Vals AI boards, read October 22, 2026) - SkillsBench (Vals AI): 66.0% (source: Vals AI boards, read October 22, 2026) - CyberBench (Vals AI): 71.0% (source: Vals AI boards, read October 22, 2026) - Finance Agent (Vals AI): 48.4% (source: Vals AI boards, read October 22, 2026) - Tax Agent Bench (Vals AI): 24.9% (source: Vals AI boards, read October 22, 2026) - Legal Research Bench (Vals AI): 38.0% (source: Vals AI boards, read October 22, 2026) - Excel Modeling Benchmark (Vals AI): 52.9% (source: Vals AI boards, read October 22, 2026) - Time Horizon Index (Vals AI): 6.3% (source: Vals AI boards, read October 22, 2026) - MMMU Pro (Vals AI): 61.8% (source: Vals AI boards, read October 22, 2026) - SAGE (Vals AI): 35.0% (source: Vals AI boards, read October 22, 2026) - LegalBench (Vals AI): 86.0% (source: Vals AI boards, read October 22, 2026) - CorpFin (Vals AI): 67.4% (source: Vals AI boards, read October 22, 2026) - TaxEval (Vals AI): 71.7% (source: Vals AI boards, read October 22, 2026) - MortgageTax (Vals AI): 61.8% (source: Vals AI boards, read October 22, 2026) - MedCode (Vals AI): 43.3% (source: Vals AI boards, read October 22, 2026) - MedScribe (Vals AI): 86.9% (source: Vals AI boards, read October 22, 2026) - Vals Multimodal Index: 63.4% (source: Vals AI boards, read October 22, 2026) - GPQA Diamond (Artificial Analysis run): 93.1% (source: Artificial Analysis, read October 22, 2026) - Humanity's Last Exam (Artificial Analysis run): 42.7% (source: Artificial Analysis, read October 22, 2026) - SciCode: 55.0% (source: Artificial Analysis, read October 22, 2026) - Long context reasoning (AA-LCR): 79.3% (source: Artificial Analysis, read October 22, 2026) - FrontierCode: 42.4% (source: Epoch AI benchmarking hub, read October 22, 2026) - WeirdML: 46.4% (source: Epoch AI benchmarking hub, read October 22, 2026) - APEX-Agents: 56.2% (source: Epoch AI benchmarking hub, read October 22, 2026) - PostTrainBench: 23.4% (source: Epoch AI benchmarking hub, read October 22, 2026) - GPQA Diamond (Epoch AI run): 93.4% (source: Epoch AI benchmarking hub, read October 22, 2026) - ARC-AGI: 87.2% (source: Epoch AI benchmarking hub, read October 22, 2026) - ARC-AGI-2: 52.6% (source: Epoch AI benchmarking hub, read October 22, 2026) - SimpleBench: 70.0% (source: Epoch AI benchmarking hub, read October 22, 2026) - Chess puzzles: 35.0% (source: Epoch AI benchmarking hub, read October 22, 2026) - OTIS Mock AIME: 97.8% (source: Epoch AI benchmarking hub, read October 22, 2026) - FrontierMath, tiers 1 to 3: 57.2% (source: Epoch AI benchmarking hub, read October 22, 2026) - FrontierMath, tier 4: 24.4% (source: Epoch AI benchmarking hub, read October 22, 2026) - ProofBench: 31.0% (source: Epoch AI benchmarking hub, read October 22, 2026) - SimpleQA Verified: 48.3% (source: Epoch AI benchmarking hub, read October 22, 2026) - DTBench: 96.5% (source: Epoch AI benchmarking hub, read October 22, 2026) - LMCA: 45.2% (source: Epoch AI benchmarking hub, read October 22, 2026) - Surface Evolver Bench: 74.4% (source: Epoch AI benchmarking hub, read October 22, 2026) - Furniture assembly: 22.5% (source: Epoch AI benchmarking hub, read October 22, 2026) - ALE-Bench: 1309.3 (source: ALE-Bench (Sakana AI), read October 22, 2026) - Vending-Bench 2: $3,887 (source: Epoch AI benchmarking hub, read October 22, 2026) - Epoch Capabilities Index: 154.1 (source: Epoch AI benchmarking hub, read October 22, 2026) - LMArena Text: 1448 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: coding: 1474 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: hard prompts: 1462 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: math: 1460 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: instruction following: 1445 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: creative writing: 1442 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: 1287 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: English: 1453 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: non-English: 1440 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: 1448 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Japanese: 1430 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Korean: 1406 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: French: 1457 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Spanish: 1451 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Russian: 1449 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: Polish: 1432 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: multi-turn: 1456 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: longer queries: 1462 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: expert: 1465 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: hard prompts in English: 1464 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: software and IT: 1471 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: mathematical work: 1482 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: science: 1464 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: medicine and healthcare: 1440 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: legal and government: 1463 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: business and finance: 1441 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: writing and language: 1445 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Text: entertainment and media: 1434 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena WebDev: React: 1556 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena WebDev: HTML: 1567 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena WebDev: from an image: 1562 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: English: 1285 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: Chinese: 1345 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: reading text: 1293 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: diagrams: 1304 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: homework: 1295 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: humor: 1276 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Vision: creative writing: 1293 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Search: 1216 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - LMArena Document: 1452 Elo (source: LMArena (Hugging Face dataset), read October 22, 2026) - Kagi LLM Benchmark: 83.5% (source: Kagi LLM Benchmarking Project, read October 22, 2026) - SciCode: 6.5% (source: Kaggle Benchmarks, read October 22, 2026) - FACTS Benchmark Suite: 50.2% (source: Kaggle Benchmarks, read October 22, 2026)