Model comparison
Sakana Fugu-Ultra vs ZAYA1-8B
Head-to-head evidence from 3 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Evidence parity. Sakana Fugu-Ultra and ZAYA1-8B share 3 comparable benchmark results. 1 of 8 categories are comparable. 8 results are unique to Sakana Fugu-Ultra; 8 to ZAYA1-8B.
Updated July 23, 2026- Shared results
- 3
- Sakana Fugu-Ultra only
- 8
- ZAYA1-8B only
- 8
- Comparable categories
- 1 / 8
Treat this as a split decision. Sakana Fugu-Ultra makes more sense if knowledge is the priority or you need the larger 1M context window; ZAYA1-8B is the better fit if its strengths line up with your actual workload.
Confidence note. This is a partial-evidence comparison with 3 shared benchmark results across 2 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Sakana Fugu-Ultra and ZAYA1-8B 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-Ultra gives you the larger context window at 1M, compared with 131K for ZAYA1-8B.
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 | Sakana Fugu-Ultra | Δ | ZAYA1-8B |
|---|---|---|---|
| Knowledge | Sakana Fugu-Ultra95.5 | Margin← 21.9 | ZAYA1-8B73.6 |
| Agentic | Sakana Fugu-Ultra82.1 | MarginNo overlap | ZAYA1-8BNot measured |
| Coding | Sakana Fugu-Ultra64.5 | MarginNo overlap | ZAYA1-8BNot measured |
| Reasoning | Sakana Fugu-Ultra93.6 | MarginNo overlap | ZAYA1-8BNot measured |
| Math | Sakana Fugu-UltraNot measured | MarginNo overlap | ZAYA1-8B80.4 |
| Multimodal | Sakana Fugu-Ultra86.6 | MarginNo overlap | ZAYA1-8BNot measured |
| Inst. Following | Sakana Fugu-UltraNot measured | MarginNo overlap | ZAYA1-8B64.1 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
GPQA
KnowledgeA 95.5%B 71%Winner: Sakana Fugu-UltraΔ 24.5GPQA: Sakana Fugu-Ultra scored 95.5%; ZAYA1-8B scored 71%. Sakana Fugu-Ultra wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Sakana Fugu-Ultra | ZAYA1-8B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Sakana Fugu-UltraNot available | ZAYA1-8B$0 input / $0 output | A complete price comparison is not available. |
| Generation speedtokens per second | Sakana Fugu-UltraNot available | ZAYA1-8BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Sakana Fugu-UltraNot available | ZAYA1-8BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Sakana Fugu-Ultra1M | ZAYA1-8B131K | Sakana Fugu-Ultra lists the larger context window. |
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, Sakana Fugu-Ultra or ZAYA1-8B?
Sakana Fugu-Ultra and ZAYA1-8B 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, Sakana Fugu-Ultra or ZAYA1-8B?
Sakana Fugu-Ultra has the edge for knowledge tasks in this comparison, averaging 95.5 versus 73.6. Inside this category, GPQA is the benchmark that creates the most daylight between them.
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