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Grok Build 0.1 vs Nemotron 3 Ultra

Detailed technical comparison between Grok Build 0.1 (xAI) 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

Grok Build 0.1: 0 WinsvsNemotron 3 Ultra: 6 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

$0.50 / MTok
xAIactive

Grok Build 0.1

Grok Build 0.1 is xAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...

View Grok Build 0.1 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
SpecificationGrok Build 0.1Nemotron 3 Ultra
ProviderxAINvidia
Context Window256,000 tokens512,288 tokens🏆
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablebeta
API AvailableYesYes
Released Date2026-05-202026-06-04

API Pricing Comparison

Input Price per Million Tokens

Grok Build 0.1

$1.00

Nemotron 3 Ultra

$0.50

Output Price per Million Tokens

Grok Build 0.1

$2.00

Nemotron 3 Ultra

$2.20

💡 Cost Ratio: Nemotron 3 Ultra is 2.0x cheaper per input token than Grok Build 0.1.

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
79.6%vs87.8%+8.2% Nemotron 3 Ultra
Grok Build 0.1
Nemotron 3 Ultra 🏆
HumanEvalPython coding & logic synthesis
77.8%vs87.0%+9.2% Nemotron 3 Ultra
Grok Build 0.1
Nemotron 3 Ultra 🏆
MATHComplex mathematical problem solving
55.0%vs68.2%+13.2% Nemotron 3 Ultra
Grok Build 0.1
Nemotron 3 Ultra 🏆
GPQAGraduate-level expert reasoning
40.4%vs49.6%+9.2% Nemotron 3 Ultra
Grok Build 0.1
Nemotron 3 Ultra 🏆
HellaSwagCommonsense reasoning and inference
82.6%vs85.4%+2.8% Nemotron 3 Ultra
Grok Build 0.1
Nemotron 3 Ultra 🏆
MT-BenchMulti-turn conversation flow quality
8.5%vs9.1%+0.6% Nemotron 3 Ultra
Grok Build 0.1
Nemotron 3 Ultra 🏆

Grok Build 0.1 Quirks & Gotchas

No developer gotchas reported.

Nemotron 3 Ultra Quirks & Gotchas

No developer gotchas reported.

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