Benchmark scores
Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.
LLM Comparison
Sakana Fugu Ultra vs Claude Sonnet 5: benchmark scores, pricing & comparison.
Side-by-side Sakana Fugu Ultra vs Claude Sonnet 5 comparison across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, context window, and AskClash RWT. Green marks the winner on each benchmark.
Rank #1 vs #6AskClash overall scores 96.5 vs 83.1.
Pricing —/— vs $3.00/$15.0Input and output token prices per 1M tokens when published.
Proprietary vs ProprietarySakana AI vs Anthropic.
Sakana Fugu Ultra vs Claude Sonnet 5 benchmark comparison
Green cells highlight the winning model for each metric. Scores are cached from the AskClash LLM leaderboard snapshot.
| Metric | Sakana Fugu Ultra | Claude Sonnet 5 |
|---|---|---|
| Overall Score | 96.5 | 83.1 |
| Leaderboard Rank | #1 | #6 |
| RWT | — | 9.0 |
| HLE | — | 57.4 |
| GPQA | 95.5 | — |
| SWE-Pro | — | 63.2 |
| Terminal-Bench | 82.1 | 80.4 |
| LiveCodeBench | 93.2 | — |
| OSWorld | — | 81.2 |
| Input Price (per 1M tokens) | — | $3.00 |
| Output Price (per 1M tokens) | — | $15.0 |
| Context Window | 1M | 1M |
| Benchmark Cells | 3 | 6 |
More Sakana Fugu Ultra and Claude Sonnet 5 comparisons
Explore how Sakana Fugu Ultra and Claude Sonnet 5 stack up against other top-ranked LLMs.
Sakana Fugu Ultra vs Claude Mythos Fable 5Claude Mythos Fable 5 vs Claude Sonnet 5Sakana Fugu Ultra vs Claude Opus 4.8Claude Opus 4.8 vs Claude Sonnet 5Sakana Fugu Ultra vs GLM-5.2GLM-5.2 vs Claude Sonnet 5Sakana Fugu Ultra vs GPT-5.5GPT-5.5 vs Claude Sonnet 5Sakana Fugu Ultra vs Claude Opus 4.7 (Adaptive)Claude Sonnet 5 vs Claude Opus 4.7 (Adaptive)
How to read this comparison
Token pricing
Lower is better for input and output prices. Green marks the cheaper model per 1M tokens.
Coverage matters
Models with fewer disclosed benchmark cells may have inflated percentile scores. Check the benchmark cell count for context.
This comparison page is generated from the AskClash LLM leaderboard cache. Open the live leaderboard for real-time scores and interactive filtering.