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Model comparison

Muse Spark vs Ornith-1.0-397B

Data verified

Head-to-head evidence from 4 shared benchmark results across 2 categories. Overall scores shown here use BenchLM's provisional ranking lane.

63/100
Margin
10.0pts
winning →
DeepReinforce AI
73/100
0 category wins2 category wins

Evidence parity. Muse Spark and Ornith-1.0-397B share 4 comparable benchmark results. 2 of 8 categories are comparable. 37 results are unique to Muse Spark; 3 to Ornith-1.0-397B.

Updated July 14, 2026
Shared results
4
Muse Spark only
37
Ornith-1.0-397B only
3
Comparable categories
2 / 8

Pick Ornith-1.0-397B if you want the stronger benchmark profile. Muse Spark only becomes the better choice if you need the larger 262K context window.

Confidence note. This is a partial-evidence comparison with 4 shared benchmark results across 2 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Ornith-1.0-397B is clearly ahead on the provisional aggregate, 73 to 63. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Ornith-1.0-397B's sharpest advantage is in agentic, where it averages 77.5 against 59. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 59% to 77.5%.

Muse Spark gives you the larger context window at 262K, compared with 256K for Ornith-1.0-397B.

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 and Ornith-1.0-397B
CategoryMuse SparkΔOrnith-1.0-397B
AgenticMuse Spark59.0Margin 18.5Ornith-1.0-397B77.5
CodingMuse Spark61.7Margin 8.0Ornith-1.0-397B69.7
ReasoningMuse Spark42.5MarginNo overlapOrnith-1.0-397BNot measured
KnowledgeMuse Spark50.4MarginNo overlapOrnith-1.0-397BNot measured
MathMuse Spark32.9MarginNo overlapOrnith-1.0-397BNot measured
MultimodalMuse Spark82.5MarginNo overlapOrnith-1.0-397BNot measured

Decisive benchmark drivers

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

More
A · Muse SparkB · Ornith-1.0-397B
  1. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 59%B 77.5%
    Winner: Ornith-1.0-397BΔ 18.5
    Terminal-Bench 2.0: Muse Spark scored 59%; Ornith-1.0-397B scored 77.5%. Ornith-1.0-397B wins this benchmark.
  2. SWE-bench Pro

    Coding
    Source ↗
    A 52.4%B 62.2%
    Winner: Ornith-1.0-397BΔ 9.8
    SWE-bench Pro: Muse Spark scored 52.4%; Ornith-1.0-397B scored 62.2%. Ornith-1.0-397B wins this benchmark.
  3. SWE-bench Verified

    Coding
    Source ↗
    A 77.4%B 82.4%
    Winner: Ornith-1.0-397BΔ 5
    SWE-bench Verified: Muse Spark scored 77.4%; Ornith-1.0-397B scored 82.4%. Ornith-1.0-397B wins this benchmark.

Operational comparison

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

MetricMuse SparkOrnith-1.0-397BComparison
Input / output priceUSD per 1M tokensMuse SparkNot availableOrnith-1.0-397B$0 input / $0 outputA complete price comparison is not available.
Generation speedtokens per secondMuse SparkNot availableOrnith-1.0-397BNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenMuse SparkNot availableOrnith-1.0-397BNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensMuse Spark262KOrnith-1.0-397B256KMuse Spark lists the larger context window.

Benchmark Deep Dive

AgenticOrnith-1.0-397B wins
BenchmarkMuse SparkOrnith-1.0-397BResult
Terminal-Bench 2.0Source 59%77.5%Ornith-1.0-397B leads
Tau2-TelecomSource 91.5%Not comparable
DeepSearchQASource 74.8%Not comparable
CyberGymSource 43.5%Not comparable
Claw-EvalSource 63.8%77.1%Ornith-1.0-397B leads
AA Agentic IndexSource 28.7%Not comparable
GDPval-AASource 32.2%Not comparable
GDPval-AASource 1144Not comparable
CodingOrnith-1.0-397B wins
BenchmarkMuse SparkOrnith-1.0-397BResult
SWE-bench VerifiedSource 77.4%82.4%Ornith-1.0-397B leads
SWE-bench ProSource 52.4%62.2%Ornith-1.0-397B leads
LiveCodeBench ProSource 80.0%Not comparable
Vibe Code BenchSource 19.67%Not comparable
AA Coding IndexSource 58.6%Not comparable
Terminal-Bench HardSource 45.5%Not comparable
AA-SciCodeSource 51.5%Not comparable
SWE MultilingualSource 78.9%Not comparable
NL2RepoSource 48.2%Not comparable
Terminal-Bench 2.0Source 77.5%Not comparable
Reasoning
BenchmarkMuse SparkOrnith-1.0-397BResult
ARC-AGI-2Source 42.5%Not comparable
AA-LCRSource 69.7%Not comparable
CritPtSource 11.3%Not comparable
Knowledge
BenchmarkMuse SparkOrnith-1.0-397BResult
GPQA-DSource 89.5%Not comparable
HLESource 50.4%Not comparable
HLE w/o toolsSource 42.8%Not comparable
HealthBench HardSource 42.8%Not comparable
MedXpertQA (Text)Source 52.6%Not comparable
Artificial Analysis Intelligence IndexSource 43.1%Not comparable
AA-GPQA DiamondSource 88.4%Not comparable
AA-HLESource 39.9%Not comparable
AA-Omniscience IndexSource 4.1%Not comparable
AA-Omniscience AccuracySource 44.6%Not comparable
AA-Omniscience Hallucination RateSource 73.2%Not comparable
Math
BenchmarkMuse SparkOrnith-1.0-397BResult
FrontierMath v2 (Tiers 1-3)Source 39.000%Not comparable
FrontierMath v2 (Tier 4)Source 14.600%Not comparable
Multimodal
BenchmarkMuse SparkOrnith-1.0-397BResult
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
GDPval-AASource 1444Not comparable
AA-MMMU-ProSource 80.5%Not comparable
Inst. Following
BenchmarkMuse SparkOrnith-1.0-397BResult
AA-IFBenchSource 75.9%Not comparable
Frequently Asked Questions (3)

Which is better, Muse Spark or Ornith-1.0-397B?

Ornith-1.0-397B is ahead on BenchLM's provisional leaderboard, 73 to 63. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 59% and 77.5%.

Which is better for coding, Muse Spark or Ornith-1.0-397B?

Ornith-1.0-397B has the edge for coding in this comparison, averaging 69.7 versus 61.7. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Muse Spark or Ornith-1.0-397B?

Ornith-1.0-397B has the edge for agentic tasks in this comparison, averaging 77.5 versus 59. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

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Last updated: July 14, 2026

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