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GPT-5.4 Image 2 vs Nemotron 3 Ultra

Detailed technical comparison between GPT-5.4 Image 2 (OpenAI) 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

GPT-5.4 Image 2: 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

$0.50 / MTok
OpenAIactive

GPT-5.4 Image 2

[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities from GPT Image 2. It enables rich multimodal workflows, allowing users to seamlessly move between reasoning, coding, and...

View GPT-5.4 Image 2 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
SpecificationGPT-5.4 Image 2Nemotron 3 Ultra
ProviderOpenAINvidia
Context Window272,000 tokens512,288 tokens🏆
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablebeta
API AvailableYesYes
Released Date2026-04-212026-06-04

API Pricing Comparison

Input Price per Million Tokens

GPT-5.4 Image 2

$8.00

Nemotron 3 Ultra

$0.50

Output Price per Million Tokens

GPT-5.4 Image 2

$15.00

Nemotron 3 Ultra

$2.20

💡 Cost Ratio: Nemotron 3 Ultra is 16.0x cheaper per input token than GPT-5.4 Image 2.

Want to test both models live?

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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
92.2%vs87.8%+4.4% GPT-5.4 Image 2
GPT-5.4 Image 2 🏆
Nemotron 3 Ultra
HumanEvalPython coding & logic synthesis
93.4%vs87.0%+6.4% GPT-5.4 Image 2
GPT-5.4 Image 2 🏆
Nemotron 3 Ultra
MATHComplex mathematical problem solving
80.6%vs68.2%+12.4% GPT-5.4 Image 2
GPT-5.4 Image 2 🏆
Nemotron 3 Ultra
GPQAGraduate-level expert reasoning
59.0%vs49.6%+9.4% GPT-5.4 Image 2
GPT-5.4 Image 2 🏆
Nemotron 3 Ultra
HellaSwagCommonsense reasoning and inference
91.2%vs85.4%+5.8% GPT-5.4 Image 2
GPT-5.4 Image 2 🏆
Nemotron 3 Ultra
MT-BenchMulti-turn conversation flow quality
9.4%vs9.1%+0.2% GPT-5.4 Image 2
GPT-5.4 Image 2 🏆
Nemotron 3 Ultra

GPT-5.4 Image 2 Quirks & Gotchas

No developer gotchas reported.

Nemotron 3 Ultra Quirks & Gotchas

No developer gotchas reported.

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