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Muse Spark 1.1

meta/muse-spark-1.1

Muse Spark is a natively multimodal reasoning model with support for tool-use, visual chain of thought, and multi-agent orchestration.

Source-linkedmuseClosed weightsReleased 2026-04-08
Report data
Context window1M
Maximum output32K
Provider offers5
Knowledge cutoffUndisclosed
Capabilities

What this model supports

ReasoningYes
Tool callingYes
Structured outputYes
AttachmentsYes
Temperature controlYes
Open weightsNo
Creator
Meta
Family
muse
Modalities
Image, Pdf, Text, Video
License
Not documented
Release date
2026-04-08
Model ID
meta/muse-spark-1.1
Market availability

Provider pricing

Report price →
Providers offering Muse Spark 1.1
ProviderProvider model IDContextInput / 1MOutput / 1MCached / 1MFeaturesAll pricing
Vercel AI Gatewaymeta/muse-spark-1.11.04858M$1.250$4.250$0.150R T S
View
{
  "cache_read": 0.15,
  "input": 1.25,
  "output": 4.25
}
LLM Gatewaymuse-spark-1.11.04858M$1.250$4.250$0.150R T S
View
{
  "cache_read": 0.15,
  "input": 1.25,
  "output": 4.25
}
Abacusmuse-spark-1.11M$1.250$4.250$0.150R T S
View
{
  "cache_read": 0.15,
  "input": 1.25,
  "output": 4.25
}
Metamuse-spark-1.11M$1.250$4.250$0.150R T S
View
{
  "cache_read": 0.15,
  "input": 1.25,
  "output": 4.25
}
EmpirioLabs AImuse-spark-1-11M$1.250$4.250$1.000R T S
View
{
  "cache_read": 1,
  "input": 1.25,
  "output": 4.25
}
Evidence

Published benchmark results

BabyVision vs top 1 models
Muse Spark 1.1
76.3
CharXiv Reasoning vs top 5 models
Muse Spark 1.1
88.4
Fugu Ultra
86.6
Fugu
85.1
Gemini 3.5 Flash
84.2
Gemini 3.1 Pro Preview
83.3
DeepSWE vs top 5 models
GPT-5.6 Sol
72.7
GPT-5.6 Terra
69.6
GPT-5.6 Luna
67.2
Grok 4.5
62.0
Muse Spark 1.1
53.3
Finance Agent vs top 1 models
Muse Spark 1.1
57.2
Humanity's Last Exam vs top 7 models
Claude Fable 5
64.5
Muse Spark 1.1
62.1
GPT-5.4 Pro
58.7
Claude Opus 4.8
57.9
GPT-5.5 Pro
57.2
Claude Opus 4.7
54.7
GPT-5.5
52.2
JobBench vs top 1 models
Muse Spark 1.1
54.7
MCP Atlas vs top 6 models
Muse Spark 1.1
88.1
Gemini 3.5 Flash
83.6
Gemini 3.1 Pro Preview
78.2
Qwen3.7 Max
76.4
GPT-5.5
75.3
MiniMax-M3
74.2
OSWorld-Verified vs top 7 models
Claude Fable 5
85.0
Claude Opus 4.8
83.4
Claude Sonnet 5
81.2
Muse Spark 1.1
80.8
GPT-5.5
78.7
Claude Sonnet 4.6
78.5
Gemini 3.5 Flash
78.4
SWE-Bench Pro vs top 8 models
Claude Fable 5
80.3
Claude Opus 4.8
69.2
Grok 4.5
64.7
GPT-5.6 Sol
64.6
Claude Opus 4.7
64.3
GPT-5.6 Terra
63.4
Claude Sonnet 5
63.2
Muse Spark 1.1
61.5
Terminal-Bench vs top 7 models
GPT-5.6 Sol
88.8
Claude Fable 5
88.0
GPT-5.6 Terra
87.4
GPT-5.6 Luna
84.7
Grok 4.5
83.3
GPT-5.5
82.7
Muse Spark 1.1
80.0
Toolathlon-Verified vs top 1 models
Muse Spark 1.1
75.6