GPT-4.1 vs Nemotron 3 Ultra
Detailed technical comparison between GPT-4.1 (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.
Comparison Snapshot
GPT-4.1
1,047,576 tokensTie
Equal CapabilityTie
Equal SpeedNemotron 3 Ultra
$0.50 / MTokGPT-4.1
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...
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...
Technical Specifications
🏆 = Superior Spec| Specification | GPT-4.1 | Nemotron 3 Ultra |
|---|---|---|
| Provider | OpenAI | Nvidia |
| Context Window | 1,047,576 tokens🏆 | 512,288 tokens |
| Agent Suitability | 91/100 | N/A |
| Time to First Token (TTFT) | 250 ms | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2025-04-14 | 2026-06-04 |
API Pricing Comparison
Input Price per Million Tokens
GPT-4.1
$2.00
Nemotron 3 Ultra
$0.50
Output Price per Million Tokens
GPT-4.1
$8.00
Nemotron 3 Ultra
$2.20
💡 Cost Ratio: Nemotron 3 Ultra is 4.0x cheaper per input token than GPT-4.1.
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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.
GPT-4.1 Quirks & Gotchas
- ▸Strong tool-calling reliability — good migration path from GPT-4o
- ▸Migrate to GPT-5 for larger context window and improved reasoning
Nemotron 3 Ultra Quirks & Gotchas
No developer gotchas reported.
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