Model comparison
GPT-5.4 Pro vs Sakana Fugu
Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: GPT-5.4 Pro #44 (Estimated); Sakana Fugu unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. GPT-5.4 Pro and Sakana Fugu share 1 comparable benchmark result. 4 of 8 categories are comparable. 11 results are unique to GPT-5.4 Pro; 10 to Sakana Fugu.
Updated July 23, 2026- Shared results
- 1
- GPT-5.4 Pro only
- 11
- Sakana Fugu only
- 10
- Comparable categories
- 4 / 8
Treat this as a split decision. GPT-5.4 Pro makes more sense if agentic is the priority or you need the larger 1.05M context window; Sakana Fugu is the better fit if knowledge is the priority.
Confidence note. This is a partial-evidence comparison with 1 shared benchmark result across 1 evidence category; 4 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
GPT-5.4 Pro 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.
GPT-5.4 Pro gives you the larger context window at 1.05M, compared with 1M for Sakana Fugu.
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 | GPT-5.4 Pro | Δ | Sakana Fugu |
|---|---|---|---|
| Knowledge | GPT-5.4 Pro58.7 | Margin→ 36.8 | Sakana Fugu95.5 |
| Agentic | GPT-5.4 Pro89.3 | Margin← 9.1 | Sakana Fugu80.2 |
| Multimodal | GPT-5.4 Pro94.0 | Margin← 8.9 | Sakana Fugu85.1 |
| Reasoning | GPT-5.4 Pro83.3 | Margin→ 3.3 | Sakana Fugu86.6 |
| Coding | GPT-5.4 ProNot measured | MarginNo overlap | Sakana Fugu59.7 |
| Math | GPT-5.4 Pro46.9 | MarginNo overlap | Sakana FuguNot measured |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | GPT-5.4 Pro | Sakana Fugu | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | GPT-5.4 Pro$30 input / $180 output | Sakana FuguNot available | A complete price comparison is not available. |
| Generation speedtokens per second | GPT-5.4 Pro74 tok/s | Sakana FuguNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | GPT-5.4 Pro151.79 s | Sakana FuguNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | GPT-5.4 Pro1.05M | Sakana Fugu1M | GPT-5.4 Pro lists the larger context window. |
Benchmark Deep Dive
AgenticGPT-5.4 Pro wins2 benchmarks
Coding5 benchmarks
ReasoningSakana Fugu wins3 benchmarks
KnowledgeSakana Fugu wins6 benchmarks
Math4 benchmarks
Frequently Asked Questions (5)
Which is better, GPT-5.4 Pro or Sakana Fugu?
GPT-5.4 Pro 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, GPT-5.4 Pro or Sakana Fugu?
Sakana Fugu has the edge for knowledge tasks in this comparison, averaging 95.5 versus 58.7. Inside this category, HLE w/o tools is the benchmark that creates the most daylight between them.
Which is better for reasoning, GPT-5.4 Pro or Sakana Fugu?
Sakana Fugu has the edge for reasoning in this comparison, averaging 86.6 versus 83.3. GPT-5.4 Pro stays close enough that the answer can still flip depending on your workload.
Which is better for agentic tasks, GPT-5.4 Pro or Sakana Fugu?
GPT-5.4 Pro has the edge for agentic tasks in this comparison, averaging 89.3 versus 80.2. Sakana Fugu stays close enough that the answer can still flip depending on your workload.
Which is better for multimodal and grounded tasks, GPT-5.4 Pro or Sakana Fugu?
GPT-5.4 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 94 versus 85.1. Sakana Fugu stays close enough that the answer can still flip depending on your workload.
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