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Model comparison

Laguna M.1 vs Sakana Fugu-Ultra

Data verified

Head-to-head evidence from 3 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

Laguna M.1
Poolside
N/A
No comparison
N/A
1 category wins1 category wins

Evidence parity. Laguna M.1 and Sakana Fugu-Ultra share 3 comparable benchmark results. 2 of 8 categories are comparable. 2 results are unique to Laguna M.1; 8 to Sakana Fugu-Ultra.

Updated July 23, 2026
Shared results
3
Laguna M.1 only
2
Sakana Fugu-Ultra only
8
Comparable categories
2 / 8

Treat this as a split decision. Laguna M.1 makes more sense if coding is the priority; Sakana Fugu-Ultra is the better fit if agentic is the priority or you need the larger 1M context window.

Confidence note. This is a partial-evidence comparison with 3 shared benchmark results across 2 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Laguna M.1 and Sakana Fugu-Ultra 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 256K for Laguna M.1.

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 scores and score margins for Laguna M.1 and Sakana Fugu-Ultra
CategoryLaguna M.1ΔSakana Fugu-Ultra
AgenticLaguna M.145.8Margin→ 36.3Sakana Fugu-Ultra82.1
CodingLaguna M.164.8Margin← 0.3Sakana Fugu-Ultra64.5
ReasoningLaguna M.1Not measuredMarginNo overlapSakana Fugu-Ultra93.6
KnowledgeLaguna M.1Not measuredMarginNo overlapSakana Fugu-Ultra95.5
MultimodalLaguna M.1Not measuredMarginNo overlapSakana Fugu-Ultra86.6

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · Laguna M.1B · Sakana Fugu-Ultra

  1. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 45.8%B 82.1%
    Winner: Sakana Fugu-UltraΔ 36.3
    Terminal-Bench 2.0: Laguna M.1 scored 45.8%; Sakana Fugu-Ultra scored 82.1%. Sakana Fugu-Ultra wins this benchmark.

  2. SWE-bench Pro

    Coding
    Source ↗
    A 49.2%B 73.7%
    Winner: Sakana Fugu-UltraΔ 24.5
    SWE-bench Pro: Laguna M.1 scored 49.2%; Sakana Fugu-Ultra scored 73.7%. Sakana Fugu-Ultra wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricLaguna M.1Sakana Fugu-UltraComparison
Input / output priceUSD per 1M tokensLaguna M.1Not availableSakana Fugu-UltraNot availableA complete price comparison is not available.
Generation speedtokens per secondLaguna M.1Not availableSakana Fugu-UltraNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenLaguna M.1Not availableSakana Fugu-UltraNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensLaguna M.1256KSakana Fugu-Ultra1MSakana Fugu-Ultra lists the larger context window.

Benchmark Deep Dive

AgenticSakana Fugu-Ultra wins
BenchmarkLaguna M.1Sakana Fugu-UltraResult
Terminal-Bench 2.0Source 45.8%82.1%Sakana Fugu-Ultra leads
CodingLaguna M.1 wins
BenchmarkLaguna M.1Sakana Fugu-UltraResult
SWE-bench VerifiedSource 74.6%—Not comparable
SWE MultilingualSource 63.1%—Not comparable
SWE-bench ProSource 49.2%73.7%Sakana Fugu-Ultra leads
Terminal-Bench 2.0Source 45.8%82.1%Sakana Fugu-Ultra leads
LiveCodeBench v6Source —93.2%Not comparable
LiveCodeBench ProSource —90.8%Not comparable
SciCodeSource —58.7%Not comparable
Reasoning
BenchmarkLaguna M.1Sakana Fugu-UltraResult
MRCRv2Source —93.6%Not comparable
Knowledge
BenchmarkLaguna M.1Sakana Fugu-UltraResult
GPQASource —95.5%Not comparable
GPQA-DSource —95.5%Not comparable
HLE w/o toolsSource —50%Not comparable
Multimodal
BenchmarkLaguna M.1Sakana Fugu-UltraResult
CharXivSource —86.6%Not comparable
Frequently Asked Questions (3)

Which is better, Laguna M.1 or Sakana Fugu-Ultra?

Laguna M.1 and Sakana Fugu-Ultra 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 coding, Laguna M.1 or Sakana Fugu-Ultra?

Laguna M.1 has the edge for coding in this comparison, averaging 64.8 versus 64.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Laguna M.1 or Sakana Fugu-Ultra?

Sakana Fugu-Ultra has the edge for agentic tasks in this comparison, averaging 82.1 versus 45.8. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

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Last updated: July 23, 2026

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