# Meta Muse Spark 1.2 As of October 21, 2026, Meta Muse Spark 1.2 ranks #27 of 213 models overall with 39.6 on the Artificial Analysis Intelligence Index. Its strongest category is web design, where it ranks #10 of 133. Meta Muse Spark 1.2 costs $1.25 per million input tokens and $4.25 per million output tokens. It was released on August 5, 2026. Page: https://llmbenchmark.ai/models/meta-muse-spark-1-2 Data from October 21, 2026. Every figure below names the board it was read from and the day. - Maker: Meta - Released: August 5, 2026 - Price per million input tokens: $1.25 - Price per million output tokens: $4.25 - Context window: 1.05M tokens - Overall rank: 27 of 213, by the Artificial Analysis Intelligence Index - Artificial Analysis Intelligence Index: 39.6 - Vibe Coding Index: 55.1 (from 5 of 6 coding benchmarks) Benchmark results (97 of 190): - LiveBench coding: 78.2% (source: LiveBench, read October 21, 2026) - LMArena WebDev: 1534 Elo (source: LMArena WebDev, read October 21, 2026) - MMLU Pro: 88.3% (source: MMLU Pro (Vals AI), read October 21, 2026) - AA Intelligence Index: 39.6 (source: Artificial Analysis (via OpenRouter), read October 21, 2026) - AA Coding Index: 72.2 (source: Artificial Analysis (via OpenRouter), read October 21, 2026) - AA Agentic Index: 43.2 (source: Artificial Analysis (via OpenRouter), read October 21, 2026) - Design Arena: websites: 1313 Elo (source: Design Arena, read October 21, 2026) - Design Arena: UI components: 1300 Elo (source: Design Arena, read October 21, 2026) - Design Arena: game dev: 1302 Elo (source: Design Arena, read October 21, 2026) - Design Arena: data viz: 1334 Elo (source: Design Arena, read October 21, 2026) - Design Arena: 3D: 1301 Elo (source: Design Arena, read October 21, 2026) - Design Arena: all code categories: 1313 Elo (source: Design Arena, read October 21, 2026) - Design Arena: SVG: 1285 Elo (source: Design Arena, read October 21, 2026) - Design Arena: ASCII art: 1284 Elo (source: Design Arena, read October 21, 2026) - Design Arena: agents building web apps: 1222 Elo (source: Design Arena, read October 21, 2026) - Design Arena: agents building full-stack apps: 1210 Elo (source: Design Arena, read October 21, 2026) - Design Arena: agents building mobile apps: 1182 Elo (source: Design Arena, read October 21, 2026) - Design Arena: agents building Android apps: 1228 Elo (source: Design Arena, read October 21, 2026) - Design Arena: agents building games: 1179 Elo (source: Design Arena, read October 21, 2026) - Design Arena: HTML slides: 1135 Elo (source: Design Arena, read October 21, 2026) - Design Arena: PowerPoint slides: 1198 Elo (source: Design Arena, read October 21, 2026) - LiveBench reasoning: 90.0% (source: LiveBench, read October 21, 2026) - LiveBench data analysis: 76.5% (source: LiveBench, read October 21, 2026) - LiveBench research: 67.7% (source: LiveBench, read October 21, 2026) - LiveBench browser: 36.0% (source: LiveBench, read October 21, 2026) - LiveBench long agentic: 21.3% (source: LiveBench, read October 21, 2026) - LiveBench design: 67.1% (source: LiveBench, read October 21, 2026) - SWE-bench Verified (Vals AI): 86.6% (source: Vals AI boards, read October 21, 2026) - Terminal-Bench 4 (Vals AI): 6.1% (source: Vals AI boards, read October 21, 2026) - Vibe Code Bench (Vals AI): 79.1% (source: Vals AI boards, read October 21, 2026) - Code migration (Vals AI): 29.9% (source: Vals AI boards, read October 21, 2026) - ProgramBench (Vals AI): 0.5% (source: Vals AI boards, read October 21, 2026) - SREBench (Vals AI): 0.0% (source: Vals AI boards, read October 21, 2026) - IOI (Vals AI): 21.8% (source: Vals AI boards, read October 21, 2026) - Terminal-Bench 2.1 (Vals AI): 69.7% (source: Vals AI boards, read October 21, 2026) - SkillsBench (Vals AI): 53.0% (source: Vals AI boards, read October 21, 2026) - CyberBench (Vals AI): 69.5% (source: Vals AI boards, read October 21, 2026) - Finance Agent (Vals AI): 60.6% (source: Vals AI boards, read October 21, 2026) - Tax Agent Bench (Vals AI): 32.8% (source: Vals AI boards, read October 21, 2026) - Legal Research Bench (Vals AI): 43.8% (source: Vals AI boards, read October 21, 2026) - Excel Modeling Benchmark (Vals AI): 57.0% (source: Vals AI boards, read October 21, 2026) - BioMysteryBench (Vals AI): 64.8% (source: Vals AI boards, read October 21, 2026) - Public Benefits Bench (Vals AI): 68.5% (source: Vals AI boards, read October 21, 2026) - MMMU Pro (Vals AI): 86.1% (source: Vals AI boards, read October 21, 2026) - SAGE (Vals AI): 47.7% (source: Vals AI boards, read October 21, 2026) - LegalBench (Vals AI): 85.3% (source: Vals AI boards, read October 21, 2026) - CorpFin (Vals AI): 70.9% (source: Vals AI boards, read October 21, 2026) - TaxEval (Vals AI): 80.4% (source: Vals AI boards, read October 21, 2026) - MortgageTax (Vals AI): 65.4% (source: Vals AI boards, read October 21, 2026) - MedCode (Vals AI): 49.4% (source: Vals AI boards, read October 21, 2026) - MedScribe (Vals AI): 90.1% (source: Vals AI boards, read October 21, 2026) - Vals Multimodal Index: 69.8% (source: Vals AI boards, read October 21, 2026) - GPQA Diamond (Artificial Analysis run): 90.4% (source: Artificial Analysis, read October 21, 2026) - Humanity's Last Exam (Artificial Analysis run): 45.5% (source: Artificial Analysis, read October 21, 2026) - SciCode: 57.4% (source: Artificial Analysis, read October 21, 2026) - Long context reasoning (AA-LCR): 79.0% (source: Artificial Analysis, read October 21, 2026) - FrontierSWE: 12.0% (source: Epoch AI benchmarking hub, read October 21, 2026) - WeirdML: 60.3% (source: Epoch AI benchmarking hub, read October 21, 2026) - APEX-Agents: 45.4% (source: Epoch AI benchmarking hub, read October 21, 2026) - SimpleBench: 74.5% (source: Epoch AI benchmarking hub, read October 21, 2026) - Chess puzzles: 27.0% (source: Epoch AI benchmarking hub, read October 21, 2026) - ProofBench: 43.0% (source: Epoch AI benchmarking hub, read October 21, 2026) - SimpleQA Verified: 60.3% (source: Epoch AI benchmarking hub, read October 21, 2026) - DTBench: 94.7% (source: Epoch AI benchmarking hub, read October 21, 2026) - LMCA: 48.4% (source: Epoch AI benchmarking hub, read October 21, 2026) - Epoch Capabilities Index: 155.1 (source: Epoch AI benchmarking hub, read October 21, 2026) - LMArena Text: 1482 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: coding: 1505 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: hard prompts: 1489 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: math: 1484 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: instruction following: 1462 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: creative writing: 1436 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Vision: 1304 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: English: 1483 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: non-English: 1476 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: Chinese: 1509 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: Korean: 1462 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: French: 1495 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: Spanish: 1484 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: Russian: 1483 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: multi-turn: 1502 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: longer queries: 1473 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: expert: 1475 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: hard prompts in English: 1487 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: software and IT: 1505 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: mathematical work: 1480 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: science: 1500 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: medicine and healthcare: 1496 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: legal and government: 1517 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: business and finance: 1484 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: writing and language: 1453 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Text: entertainment and media: 1443 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena WebDev: React: 1526 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena WebDev: HTML: 1543 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Vision: English: 1291 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Vision: reading text: 1313 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026) - LMArena Vision: diagrams: 1317 Elo (source: LMArena (Hugging Face dataset), read October 21, 2026)