Meta
Released July 9, 2026

Muse Spark 1.1

Muse Spark 1.1 by Meta is a multimodal reasoning model for agentic tasks with zero-shot tool generalization, computer use, coding, and 1M-token context.

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Model Overview

Capabilities, design details, and architectural traits

Muse Spark 1.1 - Multimodal Reasoning Model for Agentic Tasks

Muse Spark 1.1 is a multimodal reasoning model from Meta Superintelligence Labs, built specifically for agentic tasks rather than conversational use. It delivers major gains in tool and computer use, coding, and multimodal understanding over its predecessor, Muse Spark.

The model is available in Thinking mode in the Meta AI app and on meta.ai, with developer access through a public preview of the Meta Model API.

TraitDetail
Zero-shot tool generalizationGeneralizes to new native tools, MCP servers, and custom skills without prior training on each interface
Planning and orchestrationHandles personal agentic tasks that require coordinating across a range of external apps and services
Computer use workflowDecides when to write automation scripts versus interact with interfaces directly, generating batches of actions at each step
Active memory managementWith a 1M-token context window, it compacts information and retains critical steps while discarding the rest
Coding with verification loopWrites code, takes screenshots to check results, traces failures to the source, and fixes them in iteration
Adaptive executionNotices when context changes mid-task and adjusts plans without user intervention

Computer Use and Coding

Muse Spark 1.1 navigates unfamiliar desktop interfaces with minimal human intervention. It maintains context across extended sessions and adapts to evolving requirements. For coding, it works on real enterprise codebases - diagnosing bugs, implementing features, and executing large code migrations - rather than toy problems.

The model's training approach for computer use is distinctive: it writes scripts when automation is faster and clicks through interfaces when direct interaction is simpler, choosing the appropriate strategy per situation.

Benchmark Performance

Independent evaluations · Artificial Analysis

33.7%
Intelligence
71.3%
Coding Index
25.8%
Agentic Index

Accuracy & Capability Details

GPQA - Graduate Science89.8%
Humanity's Last Exam46.2%
SciCode - Scientific Coding58.8%
Long Context Reasoning77.7%

Compare Models Side-by-Side

Evaluate specifications, pricing, and independent benchmark indices

Model Details
General Info
ProviderMetaAnthropicAnthropic
Release DateJuly 9, 2026September 22, 2026September 28, 2026
Knowledge Cutoff--Jun 2026
Context & Limits
Context Window1M1M1M
Pricing (per 1M tokens)
Input Pricing
$1.25
Best Input Pricing
$4$2
Output Pricing
$4.25
Best Output Pricing
$20$10
Modalities
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Outputs
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Benchmarks (0-100)
Intelligence Index33.7
57.6
Best Intelligence Index
56.0
Coding Index71.3--
Agentic Index25.8--
Muse Spark 1.1
Claude Opus 5.5
Claude Sonnet 5.5

Humanity's Last Exam

Extremely difficult logical reasoning and knowledge.

46%
Muse Spark 1.1
Humanity's Last Exam
Score: 46%
Muse Spark 1.1
61%
Claude Opus 5.5
Humanity's Last Exam
Score: 61%
Claude Opus 5.5
55%
Claude Sonnet 5.5
Humanity's Last Exam
Score: 55%
Claude Sonnet 5.5

Long Context Reasoning

Logical reasoning over long context windows.

78%
Muse Spark 1.1
Long Context Reasoning
Score: 78%
Muse Spark 1.1
85%
Claude Opus 5.5
Long Context Reasoning
Score: 85%
Claude Opus 5.5
83%
Claude Sonnet 5.5
Long Context Reasoning
Score: 83%
Claude Sonnet 5.5

SciCode Benchmark

Scientific coding and mathematical modeling.

59%
Muse Spark 1.1
SciCode Benchmark
Score: 59%
Muse Spark 1.1
67%
Claude Opus 5.5
SciCode Benchmark
Score: 67%
Claude Opus 5.5
61%
Claude Sonnet 5.5
SciCode Benchmark
Score: 61%
Claude Sonnet 5.5

Independent evaluation data provided by Artificial Analysis. To view the latest benchmarks and full details, visit their official site.

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