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Precision Benchmarks

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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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  3. Sakana: Fugu Ultra vs GPT-4 Turbo

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

Sakana: Fugu Ultra vs GPT-4 Turbo benchmark

In this head-to-head showdown, Sakana: Fugu Ultra is more budget-friendly at $30/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Both Sakana: Fugu Ultra and GPT-4 Turbo present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
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Executive Verdict Summary

Sakana: Fugu Ultra holds empirical advantage (2 of 2 metrics)

Coding / SWESWE-bench
GPT-4 TurboTop code solve rate
ReasoningGPQA / Live
GPT-4 TurboTop logical accuracy
Best Value$/1M Tok
Sakana: Fugu UltraLowest API billing cost
Speed / TokTok/Sec
GPT-4 TurboFastest stream rate

Verified Advantage Breakdown

2 benchmarks evaluated across capability, speed, and cost

Sakana: Fugu Ultra (2)GPT-4 Turbo (0)
Sakana: Fugu Ultra
2 of 2 Wins
✓Input price✓Context window
GPT-4 Turbo
0 of 2 Wins
Competitive baseline across remaining benchmarks
sakana
Leads 2 of 2
Sakana: Fugu Ultra

Auto-discovered from OpenRouter (sakana/fugu-ultra). Preview until a second source matches.

In: $5 · Out: $30/1M
OpenAI
GPT-4 Turbo

GPT-4 Turbo 128k. Historical flagship for gpt-4 turbo vs gpt-4o / gpt-5.

Elo 1,255In: $10 · Out: $30/1M
Top Rival Showdowns for Sakana: Fugu Ultra
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Pro
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderSakana: Fugu Ultra Wins

Sakana: Fugu Ultra

$30 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Multi-Dimensional Capability Radar

Leaders Matchup Capability Radar

Comparing top standard models across 6 key capability dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

Sakana: Fugu Ultra (2)vsGPT-4 Turbo (6)
Sakana: Fugu Ultra: 2W (25%)Overall: GPT-4 TurboGPT-4 Turbo: 6W (75%)
← Sakana: Fugu Ultra1 tiesGPT-4 Turbo →
🏆GPT-4 Turbo Leads(4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Benchmark
Sakana: Fugu UltravsGPT-4 Turbo
Preference Elo
—vs1,255
Coding Elo
—vs—
SWE-bench
—vs33.2%
LiveBench
—vs47%
GPQA Diamond
—vs48%
Sakana: Fugu Ultra: 0WGPT-4 Turbo: 4W
🏆GPT-4 Turbo Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Sakana: Fugu UltravsGPT-4 Turbo
Output speed
—vs55 tok/s
Time to first token
—vs350 ms
Sakana: Fugu Ultra: 0WGPT-4 Turbo: 2W
🏆Sakana: Fugu Ultra Leads(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Sakana: Fugu UltravsGPT-4 Turbo
Output price
$30/1Mvs$30/1M
Input price
$5/1Mvs$10/1M+$5/1M
Context window
1Mvs128k+872k
Sakana: Fugu Ultra: 2WGPT-4 Turbo: 0W

Side-by-Side Benchmark Matrix

Sakana: Fugu UltraGPT-4 Turbo
Preference Elo
Sakana: Fugu Ultra—
GPT-4 Turbo1,255
LiveBench
Sakana: Fugu Ultra—
GPT-4 Turbo47%
SWE-bench
Sakana: Fugu Ultra—
GPT-4 Turbo33.2%
GPQA Diamond
Sakana: Fugu Ultra—
GPT-4 Turbo48%
Time to first token
Sakana: Fugu Ultra—
GPT-4 Turbo350 ms
Output speed
Sakana: Fugu Ultra—
GPT-4 Turbo55 tok/s
Input priceSakana: Fugu Ultra +$5/1M
Sakana: Fugu Ultra$5/1M
GPT-4 Turbo$10/1M
Output price
Sakana: Fugu Ultra$30/1M
GPT-4 Turbo$30/1M
Context windowSakana: Fugu Ultra +872k
Sakana: Fugu Ultra1M
GPT-4 Turbo128k
BenchmarkSakana: Fugu UltraGPT-4 TurboAdvantage Delta
Preference Elo—
1,255
lmarena · Aug 17, 2026
—
LiveBench—
47%
livebench · Aug 17, 2026
—
SWE-bench—
33.2%
swebench · Aug 17, 2026
—
GPQA Diamond—
48%
seed-bootstrap · Aug 1, 2026
—
Time to first token—
350 ms
seed-bootstrap · Aug 1, 2026
—
Output speed—
55 tok/s
seed-bootstrap · Aug 1, 2026
—
Input price
$5/1M
openrouter · Aug 17, 2026
$10/1M
openrouter · Aug 17, 2026
+$5/1M
Output price
$30/1M
openrouter · Aug 17, 2026
$30/1M
openrouter · Aug 17, 2026
—
Context window
1M
openrouter · Aug 17, 2026
128k
openrouter · Aug 17, 2026
+872k

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save 22% with Sakana: Fugu Ultra
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Sakana: Fugu Ultra$625.00 / mo
In: $175Out: $450
GPT-4 Turbo$800.00 / mo
In: $350Out: $450
Estimated Cost Delta

Sakana: Fugu Ultra is estimated to save $175.00/month ($2,100/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Sakana: Fugu Ultra:Pick Sakana: Fugu Ultra when you are optimizing output cost.
  • 2
    Sakana: Fugu Ultra:Pick Sakana: Fugu Ultra for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatSakana: Fugu Ultra

Lower output list price ($30/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGSakana: Fugu Ultra

Larger window (1M).

Screenshots / visionGPT-4 Turbo

GPT-4 Turbo is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatSakana: Fugu UltraLower output list price ($30/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGSakana: Fugu UltraLarger window (1M).
Screenshots / visionGPT-4 TurboGPT-4 Turbo is the side marked multimodal in the catalog.

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
sakana

Sakana: Fugu Ultra

Elo n/a
SWE-bench—
Speed (tok/s)1M
Input / 1M Tokens$5/1M
Output / 1M Tokens$30/1M
OpenAI

GPT-4 Turbo

Elo 1,255
SWE-bench33.2%
Speed (tok/s)55 tok/s
Input / 1M Tokens$10/1M
Output / 1M Tokens$30/1M

Frequently Asked Questions

Which is better overall, Sakana: Fugu Ultra or GPT-4 Turbo?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, Sakana: Fugu Ultra or GPT-4 Turbo?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
Sakana: Fugu Ultra output tokens are $30/1M versus $30/1M. Input prices and retry rates still move the real bill.
Which is faster, Sakana: Fugu Ultra or GPT-4 Turbo?
We do not have TTFT for both models.
Which has the larger context window?
Sakana: Fugu Ultra accepts 1M tokens versus 128k.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Sakana: Fugu Ultra and GPT-4 Turbo Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All Sakana: Fugu Ultra matchups →|All GPT-4 Turbo matchups →
GPT-4 Turbo vs GPT-4o (next gpt-flagship)GPT-5 vs GPT-4 TurboGPT-4.5 Orion vs GPT-4 TurboGPT-5.6 Sol vs GPT-4 TurboGPT-5.6 Terra vs GPT-4 TurboGPT-5 mini vs GPT-4 Turbo