Claude 3 OpusvsNemotron 3 Ultra
Claude 3 Opus | Nemotron 3 Ultra | |
|---|---|---|
| Specifications | ||
ParametersA rough measure of how big the model is. More parameters usually means more capable and more expensive to run, though it is a poor guide on its own — a smaller, newer model often beats a larger, older one. | — | 550B |
| API pricingUSD per 1M tokens · lower wins | ||
Cheapest inputLowest input rate across third-party providers, excluding the lab itself. The cheapest endpoint may run a quantised build or a shorter context — see "Available from" on the model page. | — | $0.50DeepInfra |
Cheapest outputLowest output rate across third-party providers, excluding the lab itself. May come from a different provider than the cheapest input. | — | $2.20DeepInfra |
| Benchmarks | ||
SWE-Bench VerifiedCoding — Real coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 33% | 71.9% |
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 50.4% | 86.7% |
| BenchmarksPublished by one model only | ||
BrowseCompWeb browsing — Can the AI browse the web and track down hard-to-find answers? Higher is better. | — | 44.4% |
Humanity's Last Exam · with toolsMultidisciplinary reasoning — Humanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better. | — | 26.7% |
AA Intelligence IndexOverall intelligence — Artificial Analysis composite intelligence index across evals | — | 48 |
| Overview | ||
| Company | Anthropic | NVIDIA |
| Release date | Mar 4 2024 | Jun 4 2026 |
| Access | Proprietary | Open Source |
Other comparisons
Claude 3 OpusvsGPT-6 AstraNemotron 3 UltravsGPT-6 AstraClaude 3 OpusvsGemini 3.8 FlashNemotron 3 UltravsGemini 3.8 FlashClaude 3 OpusvsMuse Spark 1.3Nemotron 3 UltravsMuse Spark 1.3Claude 3 OpusvsGrok 4.6Nemotron 3 UltravsGrok 4.6Claude 3 OpusvsDeepSeek-V4-Pro-0813Nemotron 3 UltravsDeepSeek-V4-Pro-0813Claude 3 OpusvsMistral Medium 3.5Nemotron 3 UltravsMistral Medium 3.5
Frequently asked questions
Nemotron 3 Ultra leads Claude 3 Opus on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Claude 3 Opus shipped 822 days before Nemotron 3 Ultra, so benchmark comparisons should account for the intervening progress.
Claude 3 Opus is proprietary, while Nemotron 3 Ultra is open source.
On SWE-Bench Verified, Nemotron 3 Ultra leads at 71.9% vs Claude 3 Opus at 33%. On GPQA Diamond, Nemotron 3 Ultra leads at 86.7% vs Claude 3 Opus at 50.4%.