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Model comparison

Claude Haiku 4.5 vs Sakana Fugu-Ultra v1.1

Data verified

Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

No sourced benchmark result is currently shared by both models. This page therefore compares only the available metadata, pricing, and runtime rows; it does not name a quality winner.
55.85/100
No comparison
0 category wins0 category wins

Public leaderboard positions: Claude Haiku 4.5 #80 (Estimated); Sakana Fugu-Ultra v1.1 unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude Haiku 4.5 and Sakana Fugu-Ultra v1.1 share 0 comparable benchmark results. 0 of 8 categories are comparable. 5 results are unique to Claude Haiku 4.5; 0 to Sakana Fugu-Ultra v1.1.

Updated July 24, 2026
Shared results
0
Claude Haiku 4.5 only
5
Sakana Fugu-Ultra v1.1 only
0
Comparable categories
0 / 8

Benchmark data for Claude Haiku 4.5 and Sakana Fugu-Ultra v1.1 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM does not have sourced benchmark coverage for Sakana Fugu-Ultra v1.1 yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.

Sakana Fugu-Ultra v1.1 is priced at $5.00 input / $30.00 output per 1M tokens, versus $1.00 input / $5.00 output per 1M tokens for Claude Haiku 4.5. Sakana Fugu-Ultra v1.1 has the larger context window at 1M, compared with 200K for Claude Haiku 4.5.

Operational comparison

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

MetricClaude Haiku 4.5Sakana Fugu-Ultra v1.1Comparison
Input / output priceUSD per 1M tokensClaude Haiku 4.5$1 input / $5 outputSakana Fugu-Ultra v1.1$5 input / $30 outputClaude Haiku 4.5 has the lower combined listed price.
Generation speedtokens per secondClaude Haiku 4.5Not availableSakana Fugu-Ultra v1.1Not availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude Haiku 4.5Not availableSakana Fugu-Ultra v1.1Not availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude Haiku 4.5200KSakana Fugu-Ultra v1.11MSakana Fugu-Ultra v1.1 lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude Haiku 4.5Sakana Fugu-Ultra v1.1Result
JobBenchSource 16.0%Not comparable
Coding
BenchmarkClaude Haiku 4.5Sakana Fugu-Ultra v1.1Result
SWE-bench VerifiedSource 73.3%Not comparable
Math
BenchmarkClaude Haiku 4.5Sakana Fugu-Ultra v1.1Result
FrontierMath v2 (Tiers 1-3)Source 5.903%Not comparable
FrontierMath v2 (Tier 4)Source 2.083%Not comparable
Multimodal
BenchmarkClaude Haiku 4.5Sakana Fugu-Ultra v1.1Result
Design Arena WebsiteSource 1152Not comparable
Frequently Asked Questions (3)

Can I compare Claude Haiku 4.5 and Sakana Fugu-Ultra v1.1 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Claude Haiku 4.5 and Sakana Fugu-Ultra v1.1 today?

Claude Haiku 4.5: $1.00 input / $5.00 output per 1M tokens Sakana Fugu-Ultra v1.1: $5.00 input / $30.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

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Last updated: July 24, 2026