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Claude Haiku 4.5 vs Nemotron 3 Ultra

Detailed technical comparison between Claude Haiku 4.5 (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 Haiku 4.5: 3 WinsvsNemotron 3 Ultra: 3 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
Anthropicactive

Claude Haiku 4.5

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...

View Claude Haiku 4.5 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 Haiku 4.5Nemotron 3 Ultra
ProviderAnthropicNvidia
Context Window200,000 tokens512,288 tokens🏆
Agent Suitability87/100N/A
Time to First Token (TTFT)180 msN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablebeta
API AvailableYesYes
Released Date2025-10-152026-06-04

API Pricing Comparison

Input Price per Million Tokens

Claude Haiku 4.5

$1.00

Nemotron 3 Ultra

$0.50

Output Price per Million Tokens

Claude Haiku 4.5

$5.00

Nemotron 3 Ultra

$2.20

💡 Cost Ratio: Nemotron 3 Ultra is 2.0x cheaper per input token than Claude Haiku 4.5.

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.

Open Live Sandbox Playground →

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
84.8%vs87.8%+3.0% Nemotron 3 Ultra
Claude Haiku 4.5
Nemotron 3 Ultra 🏆
HumanEvalPython coding & logic synthesis
86.0%vs87.0%+1.0% Nemotron 3 Ultra
Claude Haiku 4.5
Nemotron 3 Ultra 🏆
MATHComplex mathematical problem solving
75.0%vs68.2%+6.8% Claude Haiku 4.5
Claude Haiku 4.5 🏆
Nemotron 3 Ultra
GPQAGraduate-level expert reasoning
55.0%vs49.6%+5.4% Claude Haiku 4.5
Claude Haiku 4.5 🏆
Nemotron 3 Ultra
HellaSwagCommonsense reasoning and inference
93.5%vs85.4%+8.1% Claude Haiku 4.5
Claude Haiku 4.5 🏆
Nemotron 3 Ultra
MT-BenchMulti-turn conversation flow quality
8.9%vs9.1%+0.2% Nemotron 3 Ultra
Claude Haiku 4.5
Nemotron 3 Ultra 🏆

Claude Haiku 4.5 Quirks & Gotchas

  • ▸Fastest TTFT in the Claude lineup — ideal for real-time chat
  • ▸Tool calling limited compared to Sonnet — best for simple classification and routing

Nemotron 3 Ultra Quirks & Gotchas

No developer gotchas reported.

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