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[ARTICLE · art-121329] src=artificialanalysis.ai ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

Muse Spark 1.3 Ranks #3 on Artificial Analysis Intelligence Index

Muse Spark 1.3, a large language model, ranked #3 on the Artificial Analysis Intelligence Index, an independent evaluation of AI models by Artificial Analysis. The index measures intelligence across various tasks, and Muse Spark 1.3's high ranking indicates its competitive performance among leading AI models.

read2 min views1 publishedSep 4, 2026
Muse Spark 1.3 Ranks #3 on Artificial Analysis Intelligence Index
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Understand the AI landscape to choose the best model and provider for your use case

Highlights

Intelligence #

Intelligence of leading AI models based on our independent evaluations

Artificial Analysis Intelligence Index

Artificial Analysis Intelligence Index by Open Weights / Proprietary

Cost per Intelligence Index Task

Intelligence Index vs. Cost per Intelligence Index Task

Intelligence Index vs. Cost per Intelligence Index Task, by Model Release

Frontier Language Model Intelligence, Over Time

Performance, cost, and execution time for leading coding agents on end-to-end software engineering tasks

Artificial Analysis Coding Agent Index

Image & Video #

Top models from our Image Arena and Video Arena leaderboards, with 95% confidence intervals

Text to Image Leaderboard

See the full leaderboard here.

Speech #

Top models from our Text to Speech Arena, Speech to Text and Speech to Speech evaluations

Provider Voice Arena Quality Elo

Measures the performance of models on specific capabilities and industries

Artificial Analysis Finance & Accounting Index

Intelligence Evaluations

Agentic real-world work tasks, (Elo-500)/2000 Agentic tool use

Agentic coding & terminal use

Coding

Reasoning & knowledge

Scientific reasoning

Physics reasoning

Knowledge

1 - hallucination rate

Long context reasoning

Agentic knowledge work, Elo

Agentic SaaS workflows

Legal agentic work, criterion pass rate

Agentic business operations

Quantitative analysis on spreadsheets & documents

Instruction following

Long-horizon agentic tasks

Kubernetes incident root-cause analysis

Visual reasoning

AA-Briefcase AA-Briefcase is a frontier agentic evaluation for long-horizon knowledge work, testing agents on realistic business workflows that require deliverables such as spreadsheets, presentations, and memos

AA-Briefcase Elo

AA-AnalystAgent AA-AnalystAgent is a benchmark for end-to-end quantitative analysis on real-world spreadsheets and documents — the kind of work business and data analysts do every day

AA-AnalystAgent pass^5

AA-Omniscience AA-Omniscience is a knowledge and hallucination benchmark that rewards accuracy, punishes bad guesses and provides a comprehensive view of which models produce factually reliable outputs across different domains

AA-Omniscience Index

GDPval-AA v2 GDPval-AA v2 evaluates AI models on real-world, economically valuable tasks across a wide range of occupations

GDPval-AA v2 Leaderboard

Artificial Analysis Openness Index assesses how 'open' models are on the basis of their availability and transparency across different components.

Artificial Analysis Openness Index: Components

Artificial Analysis Openness Index vs. Artificial Analysis Intelligence Index

Output Tokens #

Output tokens of leading AI models based on our independent evaluations

Output Tokens per Intelligence Index Task

Cost #

Price and real-world costs of leading AI models based on our independent evaluations

Cost per Intelligence Index Task

Cost to Run Artificial Analysis Intelligence Index

Pricing: Cache Hit, Input, and Output

Speed & Latency #

Comparison of first-party API performance

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