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Muse Spark

Muse · Released 2026-01-01

Muse's tax-domain model. TaxEval v2 leader at 77.7% on Vals. Niche vertical — not a general-purpose frontier model.

Tax and compliance workflows only — do not use as a general research or coding model.

#19 of 51 on AA Index · current snapshot
43 AA Index · 10 benchmark rows · 1 sourcesPosition is benchmark-specific — not a cross-family or cross-source ranking.
Composite57
Context128K
Input / 1M—
Output / 1M—
Knowledge cutoff2025-06-01
Output speed0 t/s
TTFT (default API)0.00s
Statuslightweight
ReasoningCodingAgenticLong context
Reasoning
88
Coding
52
Agentic
62
Long context
70

68average across 4 tested families

Benchmark placements

Where Muse Spark places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.

BenchmarkFamilyRankScoreSourceDate
IFBenchReasoning#15/ 5776Artificial Analysis2026-07-21
Humanity's Last ExamReasoning#17/ 6540Artificial Analysis2026-07-21
AA-LCRLong context#24/ 6470Artificial Analysis2026-07-21
SciCodeCoding#24/ 6552Artificial Analysis2026-07-21
Artificial Analysis Intelligence IndexReasoning#27/ 6743Artificial Analysis2026-07-21
GPQA DiamondReasoning#30/ 6988Artificial Analysis2026-07-21
Terminal-BenchAgentic#34/ 6962Artificial Analysis2026-07-21
τ³-Bench BankingAgentic#41/ 6420Artificial Analysis2026-07-21
AA output speedPerformance#68/ 69Artificial Analysis2026-07-21
AA time to first tokenPerformance#68/ 69Artificial Analysis2026-07-21
Family context

The three highest-scoring carded models in each capability family. Where Muse Spark shows up, it's highlighted.

ReasoningMuse Spark · 88
  1. 1
    Claude Mythos Preview
    95
  2. 2
    GPT-5.6 Sol
    94
  3. 3
    Kimi K3
    94
CodingMuse Spark · 52
  1. 1
    GPT 5.5
    96
  2. 2
    Claude Opus 4.8
    96
  3. 3
    Claude Opus 4.6
    96
AgenticMuse Spark · 62
  1. 1
    GPT 5.5
    100
  2. 2
    Claude Opus 4.8
    100
  3. 3
    Claude Fable 5
    100
Long contextMuse Spark · 70
  1. 1
    Kimi K3
    75
  2. 2
    GPT-5.1
    75
  3. 3
    GPT-5.6 Sol
    74
Newest receipts

Benchmark rows added to the public ledger for Muse Spark in the last 120 days. Older rows live in the full table below.

10 recent
BenchmarkFamilyScoreSourceDays ago
AA-LCRLong context69.67%Artificial Analysis2
AA output speedPerformance0 t/sArtificial Analysis2
AA time to first tokenPerformance0.00sArtificial Analysis2
Artificial Analysis Intelligence IndexReasoning43.1%Artificial Analysis2
GPQA DiamondReasoning88.4%Artificial Analysis2
Humanity's Last ExamReasoning39.9%Artificial Analysis2
IFBenchReasoning75.92%Artificial Analysis2
SciCodeCoding51.5%Artificial Analysis2
τ³-Bench BankingAgentic19.59%Artificial Analysis2
Terminal-BenchAgentic62.17%Artificial Analysis2
Family coverage

A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.

Reasoning88
Coding52
Agentic62
Long context70
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover or tab any dot for name, score, and input price.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMiniMaxxAIMetaZhipuXiaomiMeituanCohere

Full benchmark ledger

Every catalog benchmark for Muse Spark. Scores link to the original source; gaps mean no public row exists yet.

10 sourced rows

10 of 32 catalog benchmarks have a sourced row for Muse Spark.

Reasoning

Coding

Agentic

Long context

Performance

Sources