Claude 3 SonnetvsLlama Nemotron Ultra 253B
Claude 3 Sonnet | Llama Nemotron Ultra 253B | |
|---|---|---|
| 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. | — | 253B |
| Benchmarks | ||
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 40.4% | 76% |
| BenchmarksPublished by one model only | ||
LiveCodeBenchCompetitive coding — Coding problems published so recently the AI can't have seen them in training — a contamination-free test of raw programming skill. Higher is better. | — | 66.3% |
| Overview | ||
| Company | Anthropic | NVIDIA |
| Release date | Mar 4 2024 | Apr 8 2025 |
| Access | Proprietary | Open Weight |
Other comparisons
Claude 3 SonnetvsGPT-6 AstraLlama Nemotron Ultra 253BvsGPT-6 AstraClaude 3 SonnetvsGemini 3.8 FlashLlama Nemotron Ultra 253BvsGemini 3.8 FlashClaude 3 SonnetvsMuse Spark 1.3Llama Nemotron Ultra 253BvsMuse Spark 1.3Claude 3 SonnetvsGrok 4.6Llama Nemotron Ultra 253BvsGrok 4.6Claude 3 SonnetvsDeepSeek-V4.1-FlashLlama Nemotron Ultra 253BvsDeepSeek-V4.1-FlashClaude 3 SonnetvsMistral Medium 3.5Llama Nemotron Ultra 253BvsMistral Medium 3.5
Frequently asked questions
Llama Nemotron Ultra 253B leads Claude 3 Sonnet on 1 of the 1 benchmark they both report (GPQA Diamond). Claude 3 Sonnet shipped 400 days before Llama Nemotron Ultra 253B, so benchmark comparisons should account for the intervening progress.
Claude 3 Sonnet is proprietary, while Llama Nemotron Ultra 253B is open weight.
On GPQA Diamond, Llama Nemotron Ultra 253B leads at 76% vs Claude 3 Sonnet at 40.4%.