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Fugu Ultra vs Nemotron 3 Ultra

Detailed technical comparison between Fugu Ultra (Sakana AI) and Nemotron 3 Ultra (Nvidia). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

Fugu Ultra: 1 WinvsNemotron 3 Ultra: 5 Wins
Context Leader

Fugu Ultra

1,000,000 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Nemotron 3 Ultra

$0.50 / MTok
Sakana AIactive

Fugu Ultra

Fugu Ultra is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language model trained to route...

View Fugu Ultra Full Specs →
Nvidiaactive

Nemotron 3 Ultra

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...

View Nemotron 3 Ultra Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationFugu UltraNemotron 3 Ultra
ProviderSakana AINvidia
Context Window1,000,000 tokens🏆512,288 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitybetabeta
API AvailableYesYes
Released Date2026-06-242026-06-04

API Pricing Comparison

Input Price per Million Tokens

Fugu Ultra

$5.00

Nemotron 3 Ultra

$0.50

Output Price per Million Tokens

Fugu Ultra

$30.00

Nemotron 3 Ultra

$2.20

💡 Cost Ratio: Nemotron 3 Ultra is 10.0x cheaper per input token than Fugu Ultra.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

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Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
85.4%vs87.8%+2.4% Nemotron 3 Ultra
Fugu Ultra
Nemotron 3 Ultra 🏆
HumanEvalPython coding & logic synthesis
84.6%vs87.0%+2.4% Nemotron 3 Ultra
Fugu Ultra
Nemotron 3 Ultra 🏆
MATHComplex mathematical problem solving
65.8%vs68.2%+2.4% Nemotron 3 Ultra
Fugu Ultra
Nemotron 3 Ultra 🏆
GPQAGraduate-level expert reasoning
47.2%vs49.6%+2.4% Nemotron 3 Ultra
Fugu Ultra
Nemotron 3 Ultra 🏆
HellaSwagCommonsense reasoning and inference
86.4%vs85.4%+1.0% Fugu Ultra
Fugu Ultra 🏆
Nemotron 3 Ultra
MT-BenchMulti-turn conversation flow quality
8.9%vs9.1%+0.2% Nemotron 3 Ultra
Fugu Ultra
Nemotron 3 Ultra 🏆

Fugu Ultra Quirks & Gotchas

No developer gotchas reported.

Nemotron 3 Ultra Quirks & Gotchas

No developer gotchas reported.

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