Meta AIopen-weight
Released: 2026-09-02

Muse Spark 1.3

Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...

Intelligence Index
88.5/ 100
Calibrated multi-domain composite
Throughput Speed
85tok/sec
Output streaming throughput
Time To First Token
280ms
Initial chunk server latency
LiveBench Contam-Free
77.9%
September 2026 suite score

LiveBench Multi-Domain Evaluation Breakdown

Monthly refreshed contamination-free test sets
Logical Reasoning81.4%
Coding & Repo Repair79.7%
Mathematics (AIME)78.8%
Data Analysis & Tables75.2%
Language & Comprehension77.0%
Instruction Following77.9%

Sourced Benchmark Evaluations (60)

Verified performance across authoritative benchmarks with provenance tracking.
BenchmarkStatusScoreTrustDateSource TypeProvenance
SCROLLSNearing Saturation70.8%
65
2026-09-12independentSource ↗
StructFlowBenchNearing Saturation66.2%
75
2026-09-12independentSource ↗
SoohakActive62.5%
98
2026-09-12independentSource ↗
SimpleQAActive46%
90
2026-09-12independentSource ↗
InfiniteBenchNearing Saturation75.2%
65
2026-09-12independentSource ↗
LiveCodeBenchSaturated69%
39
2026-09-12independentSource ↗
LongBench-ProActive72.6%
80
2026-09-12independentSource ↗
MATHSaturated80.7%
25
2026-09-12independentSource ↗
MathArenaActive65.8%
99
2026-09-12independentSource ↗
Humanity's Last ExamActive37.8%
93
2026-09-12independentSource ↗
RULERNearing Saturation81.4%
84
2026-09-12independentSource ↗
MercuryDeprecated74%
10
2026-09-12independentSource ↗
MMLU-ProNearing Saturation81.4%
75
2026-09-12independentSource ↗
MultiPL-EDeprecated77.4%
10
2026-09-12independentSource ↗
PutnamBenchActive42.8%
90
2026-09-12independentSource ↗
OlympiadBenchActive67.5%
80
2026-09-12independentSource ↗
Omni-MATHDeprecated60.9%
10
2026-09-12independentSource ↗
OpenAI-MRCRActive74.3%
80
2026-09-12independentSource ↗
Terminal-BenchActive58.9%
80
2026-09-12independentSource ↗
AgentIFNearing Saturation53%
80
2026-09-12independentSource ↗
AIMENearing Saturation78.2%
75
2026-09-12independentSource ↗
ZeroSCROLLSNearing Saturation70.8%
78
2026-09-12independentSource ↗
ARC-AGI-2Nearing Saturation66.9%
75
2026-09-12independentSource ↗
ARC-AGI-3Active55.8%
93
2026-09-12independentSource ↗
CodeContestsDeprecated54.7%
10
2026-09-12independentSource ↗
TabMWPSaturated75.7%
25
2026-09-12independentSource ↗
ComplexBenchNearing Saturation63.9%
80
2026-09-12independentSource ↗
CyberSecEvalDeprecated75.7%
10
2026-09-12independentSource ↗
FireBenchActive65.4%
95
2026-09-12independentSource ↗
FrontierCodeActive48.8%
98
2026-09-12independentSource ↗
FrontierMathActive23%
98
2026-09-12independentSource ↗
SWE-LancerDeprecated57.2%
20
2026-09-12independentSource ↗
SWE-bench ProActive52.1%
90
2026-09-12independentSource ↗
QuALITYNearing Saturation77.9%
78
2026-09-11independentSource ↗
MMLU-ReduxSaturated86.7%
25
2026-09-11independentSource ↗
SWE-bench VerifiedSaturated65.6%
25
2026-09-11independentSource ↗
LongBenchNearing Saturation76.1%
65
2026-09-10independentSource ↗
SWE-benchDeprecated57.2%
10
2026-09-10independentSource ↗
MGSMNearing Saturation78.2%
65
2026-09-10independentSource ↗
TruthfulQASaturated77.9%
25
2026-09-09independentSource ↗
QASPERNearing Saturation73.5%
65
2026-09-09independentSource ↗
AGIEvalSaturated73.8%
25
2026-09-09independentSource ↗
SuperGLUESaturated87.5%
25
2026-09-08independentSource ↗
GSM-HardDeprecated79%
10
2026-09-08independentSource ↗
MT-BenchNearing Saturation8%
75
2026-09-07independentSource ↗
BIG-Bench HardSaturated84.1%
25
2026-09-07independentSource ↗
CodeXGLUEDeprecated79.1%
23
2026-09-07independentSource ↗
WinoGrandeSaturated89.2%
28
2026-09-06independentSource ↗
MBPP+Nearing Saturation85.8%
65
2026-09-06independentSource ↗
IFEvalDeprecated76.3%
25
2026-09-06independentSource ↗
GPQANearing Saturation77.9%
78
2026-09-06independentSource ↗
HumanEval+Saturated90.8%
25
2026-09-05independentSource ↗
Needle-in-a-HaystackSaturated97.7%
44
2026-09-05independentSource ↗
CommonsenseQASaturated90.1%
28
2026-09-05independentSource ↗
GSM8KSaturated88.9%
25
2026-09-04independentSource ↗
GLUESaturated92.7%
28
2026-09-04independentSource ↗
MBPPSaturated89.1%
25
2026-09-04independentSource ↗
HumanEvalSaturated95.9%
25
2026-09-03independentSource ↗
MMLUSaturated90.3%
25
2026-09-03independentSource ↗
ARC-AGISaturated80.7%
25
2026-09-03independentSource ↗
Local Hardware Execution (Ollama)Hardware Compatible
# 1. Pull and execute model locally with Ollama
ollama run meta-muse-spark-1-3

# 2. Or invoke via local OpenAI-compatible endpoint
curl http://localhost:11434/v1/chat/completions \
  -H "Content-Type: application/json" \
  -d '{
    "model": "meta-muse-spark-1-3",
    "messages": [{"role": "user", "content": "Analyze reasoning chains on AIME 2026"}]
  }'

Evaluation & Sourcing Notes

Scores listed for Muse Spark 1.3 represent verified evaluations extracted from official research papers, independent evaluation suites (HELM, LMSYS, OpenCompass, LiveBench), and verified audit reports.

All benchmarks marked as saturated or deprecated reflect historical performance where the benchmark no longer provides active discriminative power.