| Signal | GPT-5.5 Pro | Delta | Nemotron 3 Ultra |
|---|---|---|---|
Capabilities | 100 | +33 | |
Benchmarks | 92 | +92 | |
Pricing | 5 | -93 | |
Context window size | 86 | +0 | |
Recency | 100 | -- | |
Output Capacity | 85 | +15 | |
| Overall Result | 4 wins | of 6 | 1 wins |
Score History
90.3
current score
GPT-5.5 Pro
right now
40
current score
OpenAI
NVIDIA
Nemotron 3 Ultra saves you $11840.00/month
That's $142080.00/year compared to GPT-5.5 Pro at your current usage level of 100K calls/month.
| Metric | GPT-5.5 Pro | Nemotron 3 Ultra | Winner |
|---|---|---|---|
| Overall Score | 90 | 40 | GPT-5.5 Pro |
| Rank | #11 | #175 | GPT-5.5 Pro |
| Quality Rank | #11 | #175 | GPT-5.5 Pro |
| Adoption Rank | #11 | #175 | GPT-5.5 Pro |
| Parameters | -- | 550B | -- |
| Context Window | 1050K | 1000K | GPT-5.5 Pro |
| Pricing | $30.00/$180.00/M | $0.50/$2.20/M | -- |
| Signal Scores | |||
| Capabilities | 100 | 67 | GPT-5.5 Pro |
| Benchmarks | 92 | -- | GPT-5.5 Pro |
| Pricing | 5 | 98 | Nemotron 3 Ultra |
| Context window size | 86 | 86 | GPT-5.5 Pro |
| Recency | 100 | 100 | GPT-5.5 Pro |
| Output Capacity | 85 | 70 | GPT-5.5 Pro |
Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.
Scores 90/100 (rank #11), placing it in the top 97% of all 290 models tracked.
Scores 40/100 (rank #175), placing it in the top 40% of all 290 models tracked.
GPT-5.5 Pro has a 50-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
Nemotron 3 Ultra offers 99% better value per quality point. At 1M tokens/day, you'd spend $40.50/month with Nemotron 3 Ultra vs $3150.00/month with GPT-5.5 Pro - a $3109.50 monthly difference.
Both models have comparable response speeds. For most applications, the latency difference is negligible.
When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. Nemotron 3 Ultra also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($2.20/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (90/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
GPT-5.5 Pro clearly outperforms Nemotron 3 Ultra with a significant 50.3-point lead. For most general use cases, GPT-5.5 Pro is the stronger choice. However, Nemotron 3 Ultra may still excel in niche scenarios.
Best for Quality
GPT-5.5 Pro
Marginally better benchmark scores; both are excellent
Best for Cost
Nemotron 3 Ultra
99% lower pricing; better value at scale
Best for Reliability
GPT-5.5 Pro
Higher uptime and faster response speeds
Best for Prototyping
GPT-5.5 Pro
Stronger community support and better developer experience
Best for Production
GPT-5.5 Pro
Wider enterprise adoption and proven at scale
by OpenAI
| Capability | GPT-5.5 Pro | Nemotron 3 Ultra |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
OpenAI
NVIDIA
Nemotron 3 Ultra saves you $266.46/month
That's 99% cheaper than GPT-5.5 Pro at 1,000 tokens/request and 100 requests/day.
Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.
| Parameter | GPT-5.5 Pro | Nemotron 3 Ultra |
|---|---|---|
| Context Window | 1.1M | 1M |
| Max Output Tokens | 128,000 | 16,384 |
| Open Source | No | Yes |
| Created | Apr 24, 2026 | Jun 4, 2026 |