Llama Nemotron Ultra 253BvsQwen1.5
Llama Nemotron Ultra 253B | Qwen1.5 | |
|---|---|---|
| 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 | 72B |
Context windowHow much text the model can hold in mind at once — your question, any documents you attach, the conversation so far, and its own reply. Go past it and the earliest part falls out of view. | — | 32k |
| 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% | — |
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 76% | — |
| Overview | ||
| Company | NVIDIA | Qwen |
| Release date | Apr 8 2025 | Feb 4 2024 |
| Access | Open Weight | Open Weight |
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Frequently asked questions
Llama Nemotron Ultra 253B and Qwen1.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Qwen1.5 shipped 429 days before Llama Nemotron Ultra 253B, so benchmark comparisons should account for the intervening progress.
Llama Nemotron Ultra 253B has 253B parameters, while Qwen1.5 has 72B.
Direct benchmark comparisons are unavailable — Llama Nemotron Ultra 253B and Qwen1.5 don't publish scores on any of the same benchmarks.
Llama Nemotron Ultra 253B was released by NVIDIA on Apr 8 2025.
Qwen1.5 was released by Qwen on Feb 4 2024.