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Model comparison

DeepSeek V4 Flash (High) vs Muse Spark

Data verified

Head-to-head evidence from 20 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

53.95/100
Margin
17.1pts
winning →
71.04/100
3 category wins1 category wins

Public leaderboard positions: DeepSeek V4 Flash (High) #92 (Estimated); Muse Spark #13 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. DeepSeek V4 Flash (High) and Muse Spark share 20 comparable benchmark results. 4 of 8 categories are comparable. 18 results are unique to DeepSeek V4 Flash (High); 19 to Muse Spark.

Updated July 23, 2026
Shared results
20
DeepSeek V4 Flash (High) only
18
Muse Spark only
19
Comparable categories
4 / 8

Pick Muse Spark if you want the stronger benchmark profile. DeepSeek V4 Flash (High) only becomes the better choice if mathematics is the priority or you need the larger 1M context window.

Confidence note. This is a partial-evidence comparison with 20 shared benchmark results across 5 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 is clearly ahead on the BenchAlign aggregate, 71.04 to 53.95. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Muse Spark's sharpest advantage is in agentic, where it averages 59 against 55.3. The single biggest benchmark swing on the page is HLE, 29.4% to 50.4%. DeepSeek V4 Flash (High) does hit back in mathematics, so the answer changes if that is the part of the workload you care about most.

DeepSeek V4 Flash (High) gives you the larger context window at 1M, compared with 262K for Muse Spark.

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 DeepSeek V4 Flash (High) and Muse Spark
CategoryDeepSeek V4 Flash (High)ΔMuse Spark
MathDeepSeek V4 Flash (High)91.9Margin 59.0Muse Spark32.9
AgenticDeepSeek V4 Flash (High)55.3Margin 3.7Muse Spark59.0
KnowledgeDeepSeek V4 Flash (High)52.1Margin 1.7Muse Spark50.4
CodingDeepSeek V4 Flash (High)68.5Margin 0.7Muse Spark67.8
ReasoningDeepSeek V4 Flash (High)Not measuredMarginNo overlapMuse Spark42.5
MultimodalDeepSeek V4 Flash (High)Not measuredMarginNo overlapMuse Spark82.5

Decisive benchmark drivers

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

More
A · DeepSeek V4 Flash (High)B · Muse Spark
  1. HLE

    Knowledge
    Source ↗
    A 29.4%B 50.4%
    Winner: Muse SparkΔ 21
    HLE: DeepSeek V4 Flash (High) scored 29.4%; Muse Spark scored 50.4%. Muse Spark wins this benchmark.
  2. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 56.6%B 59%
    Winner: Muse SparkΔ 2.4
    Terminal-Bench 2.0: DeepSeek V4 Flash (High) scored 56.6%; Muse Spark scored 59%. Muse Spark wins this benchmark.
  3. SWE-bench Verified

    Coding
    Source ↗
    A 78.6%B 77.4%
    Winner: DeepSeek V4 Flash (High)Δ 1.2
    SWE-bench Verified: DeepSeek V4 Flash (High) scored 78.6%; Muse Spark scored 77.4%. DeepSeek V4 Flash (High) wins this benchmark.
  4. SWE-bench Pro

    Coding
    Source ↗
    A 52.3%B 52.4%
    Winner: Muse SparkΔ 0.1
    SWE-bench Pro: DeepSeek V4 Flash (High) scored 52.3%; Muse Spark scored 52.4%. Muse Spark wins this benchmark.

Operational comparison

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

MetricDeepSeek V4 Flash (High)Muse SparkComparison
Input / output priceUSD per 1M tokensDeepSeek V4 Flash (High)$0.14 input / $0.28 outputMuse SparkNot availableA complete price comparison is not available.
Generation speedtokens per secondDeepSeek V4 Flash (High)Not availableMuse SparkNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V4 Flash (High)Not availableMuse SparkNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V4 Flash (High)1MMuse Spark262KDeepSeek V4 Flash (High) lists the larger context window.

Benchmark Deep Dive

AgenticMuse Spark wins
BenchmarkDeepSeek V4 Flash (High)Muse SparkResult
Terminal-Bench 2.0Source 56.6%59%Muse Spark leads
BrowseCompSource 53.5%Not comparable
HLE w/ toolsSource 40.3%Not comparable
MCP AtlasSource 67.4%Not comparable
ToolathlonSource 43.5%Not comparable
τ²-bench resultsSource 95.6%91.5%DeepSeek V4 Flash (High) leads
AA Agentic IndexSource 28.2%28.7%Muse Spark leads
GDPval-AASource 32.4%32.2%DeepSeek V4 Flash (High) leads
GDPval-AASource 11471144DeepSeek V4 Flash (High) leads
DeepSearchQASource 74.8%Not comparable
CyberGymSource 43.5%Not comparable
Claw-EvalSource 63.8%Not comparable
CodingDeepSeek V4 Flash (High) wins
BenchmarkDeepSeek V4 Flash (High)Muse SparkResult
CodeforcesSource 2816.0Not comparable
SWE-bench VerifiedSource 78.6%77.4%DeepSeek V4 Flash (High) leads
SWE-bench ProSource 52.3%52.4%Muse Spark leads
SWE MultilingualSource 70.2%Not comparable
Terminal-Bench 2.0Source 56.6%Not comparable
AA-SciCodeSource 42.0%51.5%Muse Spark leads
AA Coding IndexSource 52.0%58.6%Muse Spark leads
LiveCodeBench ProSource 80.0%Not comparable
Vibe Code BenchSource 19.67%Not comparable
Reasoning
BenchmarkDeepSeek V4 Flash (High)Muse SparkResult
MRCR 1MSource 76.9%Not comparable
CorpusQA 1MSource 59.3%Not comparable
AA-LCRSource 62.7%69.7%Muse Spark leads
CritPtSource 3.4%11.3%Muse Spark leads
ARC-AGI-2Source 42.5%Not comparable
KnowledgeDeepSeek V4 Flash (High) wins
BenchmarkDeepSeek V4 Flash (High)Muse SparkResult
MMLU-ProSource 86.4%Not comparable
SimpleQASource 28.9%Not comparable
Chinese-SimpleQASource 73.2%Not comparable
GPQASource 87.4%Not comparable
GPQA-DSource 87.4%89.5%Muse Spark leads
HLESource 29.4%50.4%Muse Spark leads
Artificial Analysis Intelligence IndexSource 37.5%43.1%Muse Spark leads
AA-GPQA DiamondSource 86.7%88.4%Muse Spark leads
AA-HLESource 27.8%39.9%Muse Spark leads
AA-Omniscience IndexSource -22.3%4.1%Muse Spark leads
AA-Omniscience AccuracySource 35.5%44.6%Muse Spark leads
AA-Omniscience Hallucination RateSource 89.7%73.2%Muse Spark leads
HLE w/o toolsSource 42.8%Not comparable
HealthBench HardSource 42.8%Not comparable
MedXpertQA (Text)Source 52.6%Not comparable
MathDeepSeek V4 Flash (High) wins
BenchmarkDeepSeek V4 Flash (High)Muse SparkResult
HMMT Feb 2026Source 91.9%Not comparable
IMOAnswerBenchSource 85.1%Not comparable
ApexSource 19.1%Not comparable
Apex ShortlistSource 72.1%Not comparable
FrontierMath v2 (Tiers 1-3)Source 39.000%Not comparable
FrontierMath v2 (Tier 4)Source 14.600%Not comparable
Multimodal
BenchmarkDeepSeek V4 Flash (High)Muse SparkResult
Design Arena WebsiteSource 1238Not comparable
CharXivSource 86.4%Not comparable
MMMU-ProSource 80.4%Not comparable
ERQASource 64.7%Not comparable
SimpleVQASource 71.3%Not comparable
ScreenSpot ProSource 84.1%Not comparable
ZeroBenchSource 33.0%Not comparable
MedXpertQA (MM)Source 78.4%Not comparable
AA-MMMU-ProSource 80.5%Not comparable
Inst. Following
BenchmarkDeepSeek V4 Flash (High)Muse SparkResult
AA-IFBenchSource 73.5%75.9%Muse Spark leads
Frequently Asked Questions (5)

Which is better, DeepSeek V4 Flash (High) or Muse Spark?

Muse Spark is ahead on BenchLM's BenchAlign leaderboard, 71.04 to 53.95. The biggest single separator in this matchup is HLE, where the scores are 29.4% and 50.4%.

Which is better for knowledge tasks, DeepSeek V4 Flash (High) or Muse Spark?

DeepSeek V4 Flash (High) has the edge for knowledge tasks in this comparison, averaging 52.1 versus 50.4. Inside this category, AA-Omniscience Index is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek V4 Flash (High) or Muse Spark?

DeepSeek V4 Flash (High) has the edge for coding in this comparison, averaging 68.5 versus 67.8. Inside this category, AA-SciCode is the benchmark that creates the most daylight between them.

Which is better for math, DeepSeek V4 Flash (High) or Muse Spark?

DeepSeek V4 Flash (High) has the edge for math in this comparison, averaging 91.9 versus 32.9. Muse Spark stays close enough that the answer can still flip depending on your workload.

Which is better for agentic tasks, DeepSeek V4 Flash (High) or Muse Spark?

Muse Spark has the edge for agentic tasks in this comparison, averaging 59 versus 55.3. Inside this category, τ²-bench results is the benchmark that creates the most daylight between them.

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Last updated: July 23, 2026

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