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Claude Sonnet 4 vs Nemotron 3 Ultra

Detailed technical comparison between Claude Sonnet 4 (Anthropic) 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

Claude Sonnet 4: 6 WinsvsNemotron 3 Ultra: 0 Wins
Context Leader

Claude Sonnet 4

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
Anthropicactive

Claude Sonnet 4

Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...

View Claude Sonnet 4 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
SpecificationClaude Sonnet 4Nemotron 3 Ultra
ProviderAnthropicNvidia
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 Date2025-05-222026-06-04

API Pricing Comparison

Input Price per Million Tokens

Claude Sonnet 4

$3.00

Nemotron 3 Ultra

$0.50

Output Price per Million Tokens

Claude Sonnet 4

$15.00

Nemotron 3 Ultra

$2.20

💡 Cost Ratio: Nemotron 3 Ultra is 6.0x cheaper per input token than Claude Sonnet 4.

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
88.0%vs87.8%+0.2% Claude Sonnet 4
Claude Sonnet 4 🏆
Nemotron 3 Ultra
HumanEvalPython coding & logic synthesis
91.5%vs87.0%+4.5% Claude Sonnet 4
Claude Sonnet 4 🏆
Nemotron 3 Ultra
MATHComplex mathematical problem solving
78.8%vs68.2%+10.6% Claude Sonnet 4
Claude Sonnet 4 🏆
Nemotron 3 Ultra
GPQAGraduate-level expert reasoning
60.5%vs49.6%+10.9% Claude Sonnet 4
Claude Sonnet 4 🏆
Nemotron 3 Ultra
HellaSwagCommonsense reasoning and inference
95.0%vs85.4%+9.6% Claude Sonnet 4
Claude Sonnet 4 🏆
Nemotron 3 Ultra
MT-BenchMulti-turn conversation flow quality
9.2%vs9.1%+0.1% Claude Sonnet 4
Claude Sonnet 4 🏆
Nemotron 3 Ultra

Claude Sonnet 4 Quirks & Gotchas

No developer gotchas reported.

Nemotron 3 Ultra Quirks & Gotchas

No developer gotchas reported.

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