Claude Mythos 5 vs Muse Spark 1.1
Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Claude Mythos 5 leads for most workloads.
Based on BenchLM composite scores, July 2026.
Claude Mythos 5
90
Muse Spark 1.1
78
Verified leaderboard positions: Claude Mythos 5 #1 · Muse Spark 1.1 unranked
Pick Claude Mythos 5 if you want the stronger benchmark profile. Muse Spark 1.1 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Claude Mythos 5 | Δ | Muse Spark 1.1 |
|---|---|---|---|
| Coding | 86.0 | ← 24.5 | 61.5 |
| Agentic | 87.0 | ← 6.6 | 80.4 |
| Knowledge | 68.5 | ← 6.4 | 62.1 |
| Multimodal | 93.0 | ← 4.6 | 88.4 |
| Math | 97.6 | — | — |
Operational Comparison
Claude Mythos 5
Muse Spark 1.1
$10 / $50
N/A
N/A
N/A
N/A
N/A
1M+
1M
Quick Verdict
Pick Claude Mythos 5 if you want the stronger benchmark profile. Muse Spark 1.1 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Claude Mythos 5 is clearly ahead on the provisional aggregate, 90 to 78. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Mythos 5's sharpest advantage is in coding, where it averages 86 against 61.5. The single biggest benchmark swing on the page is SWE-bench Pro, 80.3% to 61.5%.
Claude Mythos 5 gives you the larger context window at 1M+, compared with 1M for Muse Spark 1.1.
Benchmark Deep Dive
Frequently Asked Questions (5)
Which is better, Claude Mythos 5 or Muse Spark 1.1?
Claude Mythos 5 is ahead on BenchLM's provisional leaderboard, 90 to 78. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 80.3% and 61.5%.
Which is better for knowledge tasks, Claude Mythos 5 or Muse Spark 1.1?
Claude Mythos 5 has the edge for knowledge tasks in this comparison, averaging 68.5 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, Claude Mythos 5 or Muse Spark 1.1?
Claude Mythos 5 has the edge for coding in this comparison, averaging 86 versus 61.5. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Claude Mythos 5 or Muse Spark 1.1?
Claude Mythos 5 has the edge for agentic tasks in this comparison, averaging 87 versus 80.4. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.
Which is better for multimodal and grounded tasks, Claude Mythos 5 or Muse Spark 1.1?
Claude Mythos 5 has the edge for multimodal and grounded tasks in this comparison, averaging 93 versus 88.4. Inside this category, CharXiv is the benchmark that creates the most daylight between them.
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