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Model comparison

Muse Spark 1.1 vs Sakana Fugu

Data verified

Head-to-head evidence from 5 shared benchmark results across 4 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

77.44/100
No comparison
Sakana Fugu
Sakana AI
N/A
3 category wins1 category wins

Public leaderboard positions: Muse Spark 1.1 #6 (Supported); Sakana Fugu unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Muse Spark 1.1 and Sakana Fugu share 5 comparable benchmark results. 4 of 8 categories are comparable. 34 results are unique to Muse Spark 1.1; 6 to Sakana Fugu.

Updated July 23, 2026
Shared results
5
Muse Spark 1.1 only
34
Sakana Fugu only
6
Comparable categories
4 / 8

Treat this as a split decision. Muse Spark 1.1 makes more sense if multimodal & grounded is the priority; Sakana Fugu is the better fit if knowledge is the priority.

Confidence note. This is a partial-evidence comparison with 5 shared benchmark results across 4 evidence categories; 4 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Muse Spark 1.1 and Sakana Fugu finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Muse Spark 1.1 and Sakana Fugu
CategoryMuse Spark 1.1ΔSakana Fugu
KnowledgeMuse Spark 1.162.1Margin→ 33.4Sakana Fugu95.5
MultimodalMuse Spark 1.188.4Margin← 3.3Sakana Fugu85.1
CodingMuse Spark 1.161.5Margin← 1.8Sakana Fugu59.7
AgenticMuse Spark 1.180.4Margin← 0.2Sakana Fugu80.2
ReasoningMuse Spark 1.1Not measuredMarginNo overlapSakana Fugu86.6

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · Muse Spark 1.1B · Sakana Fugu

  1. CharXiv

    Multimodal
    Source ↗
    A 88.4%B 85.1%
    Winner: Muse Spark 1.1Δ 3.3
    CharXiv: Muse Spark 1.1 scored 88.4%; Sakana Fugu scored 85.1%. Muse Spark 1.1 wins this benchmark.

  2. SWE-bench Pro

    Coding
    Source ↗
    A 61.5%B 59%
    Winner: Muse Spark 1.1Δ 2.5
    SWE-bench Pro: Muse Spark 1.1 scored 61.5%; Sakana Fugu scored 59%. Muse Spark 1.1 wins this benchmark.

  3. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 80%B 80.2%
    Winner: Sakana FuguΔ 0.2
    Terminal-Bench 2.0: Muse Spark 1.1 scored 80%; Sakana Fugu scored 80.2%. Sakana Fugu wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricMuse Spark 1.1Sakana FuguComparison
Input / output priceUSD per 1M tokensMuse Spark 1.1Not availableSakana FuguNot availableA complete price comparison is not available.
Generation speedtokens per secondMuse Spark 1.1Not availableSakana FuguNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenMuse Spark 1.1Not availableSakana FuguNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensMuse Spark 1.11MSakana Fugu1MListed context windows are equal.

Benchmark Deep Dive

AgenticMuse Spark 1.1 wins
BenchmarkMuse Spark 1.1Sakana FuguResult
Terminal-Bench 2.0Source 80%80.2%Sakana Fugu leads
MCP AtlasSource 88.1%—Not comparable
ToolathlonSource 75.6%—Not comparable
OSWorld-VerifiedSource 80.8%—Not comparable
DeepSearchQASource 84.9%—Not comparable
CyberGymSource 59.0%—Not comparable
Finance Agent v2Source 57.2%—Not comparable
deepSweSource 53.3%—Not comparable
OSWorld 2.0Source 14.2%—Not comparable
JobBenchSource 54.7%—Not comparable
CybenchSource 92.9%—Not comparable
ExploitGymSource 0.8%—Not comparable
AA Agentic IndexSource 37.5%—Not comparable
GDPval-AASource 43.7%—Not comparable
GDPval-AASource 1374—Not comparable
AA BriefcaseSource 863—Not comparable
AA AutomationBenchSource 42.8%—Not comparable
AA Harvey LABSource 93.1%—Not comparable
AA Tau3 BankingSource 25.2%—Not comparable
aaTerminalBench21Source 77.9%—Not comparable
CodingMuse Spark 1.1 wins
BenchmarkMuse Spark 1.1Sakana FuguResult
Terminal-Bench 2.0Source 80.0%80.2%Sakana Fugu leads
SWE-bench ProSource 61.5%59%Muse Spark 1.1 leads
AA Coding IndexSource 71.3%—Not comparable
AA-SciCodeSource 58.2%—Not comparable
LiveCodeBench v6Source —92.9%Not comparable
LiveCodeBench ProSource —87.8%Not comparable
SciCodeSource —60.1%Not comparable
Reasoning
BenchmarkMuse Spark 1.1Sakana FuguResult
MRCR 1MSource 54.1%—Not comparable
AA-LCRSource 63.3%—Not comparable
CritPtSource 15.1%—Not comparable
MRCRv2Source —86.6%Not comparable
KnowledgeSakana Fugu wins
BenchmarkMuse Spark 1.1Sakana FuguResult
HLESource 62.1%—Not comparable
HLE w/o toolsSource 52.2%47.2%Muse Spark 1.1 leads
HealthBench ProfessionalSource 59.3%—Not comparable
Artificial Analysis Intelligence IndexSource 50.6%—Not comparable
AA-GPQA DiamondSource 89.8%—Not comparable
AA-HLESource 45.1%—Not comparable
AA-Omniscience IndexSource 18.0%—Not comparable
AA-Omniscience AccuracySource 40.6%—Not comparable
AA-Omniscience Hallucination RateSource 38.1%—Not comparable
GPQASource —95.5%Not comparable
GPQA-DSource —95.5%Not comparable
MultimodalMuse Spark 1.1 wins
BenchmarkMuse Spark 1.1Sakana FuguResult
CharXivSource 88.4%85.1%Muse Spark 1.1 leads
BabyVisionSource 76.3%—Not comparable
Design Arena WebsiteSource 1299—Not comparable
Frequently Asked Questions (5)

Which is better, Muse Spark 1.1 or Sakana Fugu?

Muse Spark 1.1 and Sakana Fugu are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.

Which is better for knowledge tasks, Muse Spark 1.1 or Sakana Fugu?

Sakana Fugu has the edge for knowledge tasks in this comparison, averaging 95.5 versus 62.1. Inside this category, HLE w/o tools is the benchmark that creates the most daylight between them.

Which is better for coding, Muse Spark 1.1 or Sakana Fugu?

Muse Spark 1.1 has the edge for coding in this comparison, averaging 61.5 versus 59.7. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Muse Spark 1.1 or Sakana Fugu?

Muse Spark 1.1 has the edge for agentic tasks in this comparison, averaging 80.4 versus 80.2. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Muse Spark 1.1 or Sakana Fugu?

Muse Spark 1.1 has the edge for multimodal and grounded tasks in this comparison, averaging 88.4 versus 85.1. Inside this category, CharXiv is the benchmark that creates the most daylight between them.

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