NVIDIA: Nemotron 3 Ultra (free) vs OpenAI: GPT-5.5
Based on weekly OpenRouter usage tracked by AI Tier List, NVIDIA: Nemotron 3 Ultra (free) ranks #6 overall — ahead of OpenAI: GPT-5.5 at #14. NVIDIA: Nemotron 3 Ultra (free) is cheaper on input tokens at Free/1M vs $5/1M for OpenAI: GPT-5.5. OpenAI: GPT-5.5 offers the larger context window at 1.1M tokens.
Spec Comparison
| NVIDIA: Nemotron 3 Ultra (free) | OpenAI: GPT-5.5 | |
|---|---|---|
| Author | nvidia | openai |
| Input price (per 1M tokens) | Free | $5 |
| Output price (per 1M tokens) | Free | $30 |
| Context window | 1M | 1.1M |
| Input modalities | text | file, image, text |
| Output modalities | text | text |
| AA Intelligence | — | 54.8 |
| AA Coding | — | 74.9 |
| AA Agentic | — | 44.9 |
| Released | Jun 2026 | Apr 2026 |
Usage Rank by Task
| Task | NVIDIA: Nemotron 3 Ultra (free) | OpenAI: GPT-5.5 |
|---|---|---|
| Overall | #6 | #14 |
| Memory Extraction | #5 | — |
| Multi-step Planning | #9 | #7 |
| Web Search | #8 | — |
| Agent Workflows | — | #9 |
| Debugging | #6 | — |
| DevOps Config | #6 | — |
| File Read/Write | #8 | — |
| Frontend UI | #8 | #7 |
| Code Implementation | #8 | — |
| Repo Analysis | #7 | — |
| Code Review & Security | #8 | #7 |
| Shell Execution | #8 | — |
| SQL & Database | #9 | — |
| Conversation | #6 | — |
FAQ
Usage ranks are weekly data aggregated by OpenRouter. Prices are USD per 1M tokens.