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DeepSeek R1 vs Nemotron 3 Ultra

Detailed technical comparison between DeepSeek R1 (DeepSeek) 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

DeepSeek R1: 6 WinsvsNemotron 3 Ultra: 0 Wins
Context Leader

Nemotron 3 Ultra

512,288 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Nemotron 3 Ultra

$0.60 / MTok
DeepSeekactive

DeepSeek R1

A premier reasoning model employing large-scale reinforcement learning. Displays specialized math, coding, and logical validation capabilities comparable to OpenAI's o1.

View DeepSeek R1 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
SpecificationDeepSeek R1Nemotron 3 Ultra
ProviderDeepSeekNvidia
Context Window163,840 tokens512,288 tokens🏆
Agent Suitability78/100N/A
Time to First Token (TTFT)1800 msN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablebeta
API AvailableYesYes
Released Date2025-01-202026-06-04

API Pricing Comparison

Input Price per Million Tokens

DeepSeek R1

$0.70

Nemotron 3 Ultra

$0.60

Output Price per Million Tokens

DeepSeek R1

$2.50

Nemotron 3 Ultra

$3.60

💡 Cost Ratio: Nemotron 3 Ultra is 1.2x cheaper per input token than DeepSeek R1.

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
90.8%vs87.8%+3.0% DeepSeek R1
DeepSeek R1 🏆
Nemotron 3 Ultra
HumanEvalPython coding & logic synthesis
92.8%vs87.0%+5.8% DeepSeek R1
DeepSeek R1 🏆
Nemotron 3 Ultra
MATHComplex mathematical problem solving
93.1%vs68.2%+24.9% DeepSeek R1
DeepSeek R1 🏆
Nemotron 3 Ultra
GPQAGraduate-level expert reasoning
62.1%vs49.6%+12.5% DeepSeek R1
DeepSeek R1 🏆
Nemotron 3 Ultra
HellaSwagCommonsense reasoning and inference
90.5%vs85.4%+5.1% DeepSeek R1
DeepSeek R1 🏆
Nemotron 3 Ultra
MT-BenchMulti-turn conversation flow quality
9.3%vs9.1%+0.2% DeepSeek R1
DeepSeek R1 🏆
Nemotron 3 Ultra

DeepSeek R1 Quirks & Gotchas

  • ▸Reasoning model — not designed for high-frequency tool calling
  • ▸Pair with a smaller model (V4 Flash) for routing and use R1 for complex reasoning only

Nemotron 3 Ultra Quirks & Gotchas

No developer gotchas reported.

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