Model comparison
Kimi K2.6 vs Sakana Fugu
Head-to-head evidence from 8 shared benchmark results across 4 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Kimi K2.6 #74 (Estimated); Sakana Fugu unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Kimi K2.6 and Sakana Fugu share 8 comparable benchmark results. 4 of 8 categories are comparable. 43 results are unique to Kimi K2.6; 3 to Sakana Fugu.
Updated July 23, 2026- Shared results
- 8
- Kimi K2.6 only
- 43
- Sakana Fugu only
- 3
- Comparable categories
- 4 / 8
Treat this as a split decision. Kimi K2.6 makes more sense if coding is the priority; Sakana Fugu is the better fit if knowledge is the priority or you need the larger 1M context window.
Confidence note. This is a partial-evidence comparison with 8 shared benchmark results across 4 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
Kimi K2.6 and Sakana Fugu finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.
Sakana Fugu gives you the larger context window at 1M, compared with 256K for Kimi K2.6.
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 | Kimi K2.6 | Δ | Sakana Fugu |
|---|---|---|---|
| Knowledge | Kimi K2.642.2 | Margin→ 53.3 | Sakana Fugu95.5 |
| Agentic | Kimi K2.673.5 | Margin→ 6.7 | Sakana Fugu80.2 |
| Multimodal | Kimi K2.679.8 | Margin→ 5.3 | Sakana Fugu85.1 |
| Coding | Kimi K2.664.4 | Margin← 4.7 | Sakana Fugu59.7 |
| Reasoning | Kimi K2.6Not measured | MarginNo overlap | Sakana Fugu86.6 |
| Math | Kimi K2.667.1 | MarginNo overlap | Sakana FuguNot measured |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
Terminal-Bench 2.0
AgenticA 66.7%B 80.2%Winner: Sakana FuguΔ 13.5Terminal-Bench 2.0: Kimi K2.6 scored 66.7%; Sakana Fugu scored 80.2%. Sakana Fugu wins this benchmark. - Source ↗
SciCode
CodingA 52.2%B 60.1%Winner: Sakana FuguΔ 7.9SciCode: Kimi K2.6 scored 52.2%; Sakana Fugu scored 60.1%. Sakana Fugu wins this benchmark. - Source ↗
GPQA
KnowledgeA 90.5%B 95.5%Winner: Sakana FuguΔ 5GPQA: Kimi K2.6 scored 90.5%; Sakana Fugu scored 95.5%. Sakana Fugu wins this benchmark. - Source ↗
CharXiv
MultimodalA 80.4%B 85.1%Winner: Sakana FuguΔ 4.7CharXiv: Kimi K2.6 scored 80.4%; Sakana Fugu scored 85.1%. Sakana Fugu wins this benchmark. - Source ↗
SWE-bench Pro
CodingA 58.6%B 59%Winner: Sakana FuguΔ 0.4SWE-bench Pro: Kimi K2.6 scored 58.6%; Sakana Fugu scored 59%. Sakana Fugu wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Kimi K2.6 | Sakana Fugu | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Kimi K2.6$0.95 input / $4 output | Sakana FuguNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Kimi K2.6Not available | Sakana FuguNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Kimi K2.6Not available | Sakana FuguNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Kimi K2.6256K | Sakana Fugu1M | Sakana Fugu lists the larger context window. |
Benchmark Deep Dive
AgenticSakana Fugu wins17 benchmarks
| Benchmark | Kimi K2.6 | Sakana Fugu | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 66.7% | 80.2% | Sakana Fugu leads |
| BrowseCompSource | 83.2% | — | Not comparable |
| OSWorld-VerifiedSource | 73.1% | — | Not comparable |
| ToolathlonSource | 50% | — | Not comparable |
| MCP AtlasSource | 55.9% | — | Not comparable |
| Claw-EvalSource | 62.3% | — | Not comparable |
| DeepSearchQASource | 92.5% | — | Not comparable |
| WideResearchSource | 80.8% | — | Not comparable |
| AA Agentic IndexSource | 30.3% | — | Not comparable |
| τ²-bench resultsSource | 95.9% | — | Not comparable |
| GDPval-AASource | 34.5% | — | Not comparable |
| GDPval-AASource | 1189 | — | Not comparable |
| APEX-Agents-AASource | 28.5% | — | Not comparable |
| Gert LabsSource | 56.82% | — | Not comparable |
| ResearchClawBenchSource | 18.0% | — | Not comparable |
| OSWorld 2.0Source | 4.6% | — | Not comparable |
| terminalBenchHardSource | 43.9% | — | Not comparable |
CodingKimi K2.6 wins11 benchmarks
| Benchmark | Kimi K2.6 | Sakana Fugu | Result |
|---|---|---|---|
| SWE-bench VerifiedSource | 80.2% | — | Not comparable |
| LiveCodeBench v6Source | 89.6% | 92.9% | Sakana Fugu leads |
| SWE-bench ProSource | 58.6% | 59% | Sakana Fugu leads |
| SWE MultilingualSource | 76.7% | — | Not comparable |
| SciCodeSource | 52.2% | 60.1% | Sakana Fugu leads |
| Terminal-Bench 2.0Source | 66.7% | 80.2% | Sakana Fugu leads |
| Vibe Code BenchSource | 37.89% | — | Not comparable |
| cursorBench31Source | 47.6% | — | Not comparable |
| AA Coding IndexSource | 61.8% | — | Not comparable |
| AA-SciCodeSource | 53.5% | — | Not comparable |
| LiveCodeBench ProSource | — | 87.8% | Not comparable |
Reasoning3 benchmarks
KnowledgeSakana Fugu wins10 benchmarks
| Benchmark | Kimi K2.6 | Sakana Fugu | Result |
|---|---|---|---|
| GPQASource | 90.5% | 95.5% | Sakana Fugu leads |
| GPQA-DSource | 90.5% | 95.5% | Sakana Fugu leads |
| HLESource | 34.7% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 44.2% | — | Not comparable |
| AA-GPQA DiamondSource | 91.1% | — | Not comparable |
| AA-HLESource | 35.9% | — | Not comparable |
| AA-Omniscience IndexSource | 6.4% | — | Not comparable |
| AA-Omniscience AccuracySource | 32.8% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 39.3% | — | Not comparable |
| HLE w/o toolsSource | — | 47.2% | Not comparable |
Math5 benchmarks
MultimodalSakana Fugu wins7 benchmarks
| Benchmark | Kimi K2.6 | Sakana Fugu | Result |
|---|---|---|---|
| MMMU-ProSource | 79.4% | — | Not comparable |
| MMMU-Pro w/ PythonSource | 80.1% | — | Not comparable |
| CharXivSource | 80.4% | 85.1% | Sakana Fugu leads |
| MathVisionSource | 87.4% | — | Not comparable |
| V*Source | 96.9% | — | Not comparable |
| AA-MMMU-ProSource | 79.4% | — | Not comparable |
| Design Arena WebsiteSource | 1306 | — | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Kimi K2.6 | Sakana Fugu | Result |
|---|---|---|---|
| AA-IFBenchSource | 76.0% | — | Not comparable |
Frequently Asked Questions (5)
Which is better, Kimi K2.6 or Sakana Fugu?
Kimi K2.6 and Sakana Fugu are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.
Which is better for knowledge tasks, Kimi K2.6 or Sakana Fugu?
Sakana Fugu has the edge for knowledge tasks in this comparison, averaging 95.5 versus 42.2. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Which is better for coding, Kimi K2.6 or Sakana Fugu?
Kimi K2.6 has the edge for coding in this comparison, averaging 64.4 versus 59.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Kimi K2.6 or Sakana Fugu?
Sakana Fugu has the edge for agentic tasks in this comparison, averaging 80.2 versus 73.5. 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, Kimi K2.6 or Sakana Fugu?
Sakana Fugu has the edge for multimodal and grounded tasks in this comparison, averaging 85.1 versus 79.8. Inside this category, CharXiv is the benchmark that creates the most daylight between them.
Self-host vs API cost
Estimates at 50,000 req/day · 1000 tokens/req average.
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