Muse Spark 1.1 vs Sakana Fugu-Ultra
Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Sakana Fugu-Ultra leads for most workloads.
Based on BenchLM composite scores, July 2026.
Muse Spark 1.1
78
Sakana Fugu-Ultra
80
Pick Sakana Fugu-Ultra if you want the stronger benchmark profile. Muse Spark 1.1 only becomes the better choice if multimodal & grounded is the priority.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Muse Spark 1.1 | Δ | Sakana Fugu-Ultra |
|---|---|---|---|
| Knowledge | 62.1 | → 33.4 | 95.5 |
| Coding | 61.5 | → 8.1 | 69.6 |
| Multimodal | 88.4 | ← 1.8 | 86.6 |
| Agentic | 80.4 | → 1.7 | 82.1 |
| Reasoning | — | — | 93.6 |
Operational Comparison
Muse Spark 1.1
Sakana Fugu-Ultra
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Quick Verdict
Pick Sakana Fugu-Ultra if you want the stronger benchmark profile. Muse Spark 1.1 only becomes the better choice if multimodal & grounded is the priority.
Sakana Fugu-Ultra has the cleaner provisional overall profile here, landing at 80 versus 78. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Sakana Fugu-Ultra's sharpest advantage is in knowledge, where it averages 95.5 against 62.1. The single biggest benchmark swing on the page is SWE-bench Pro, 61.5% to 73.7%. Muse Spark 1.1 does hit back in multimodal & grounded, so the answer changes if that is the part of the workload you care about most.
Benchmark Deep Dive
Frequently Asked Questions (5)
Which is better, Muse Spark 1.1 or Sakana Fugu-Ultra?
Sakana Fugu-Ultra is ahead on BenchLM's provisional leaderboard, 80 to 78. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 61.5% and 73.7%.
Which is better for knowledge tasks, Muse Spark 1.1 or Sakana Fugu-Ultra?
Sakana Fugu-Ultra 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-Ultra?
Sakana Fugu-Ultra has the edge for coding in this comparison, averaging 69.6 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, Muse Spark 1.1 or Sakana Fugu-Ultra?
Sakana Fugu-Ultra has the edge for agentic tasks in this comparison, averaging 82.1 versus 80.4. 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-Ultra?
Muse Spark 1.1 has the edge for multimodal and grounded tasks in this comparison, averaging 88.4 versus 86.6. Inside this category, CharXiv is the benchmark that creates the most daylight between them.
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