Claude 3.5 Sonnet (upgraded)vsNemotron 3.5 Lightning
Claude 3.5 Sonnet (upgraded) | Nemotron 3.5 Lightning | |
|---|---|---|
| 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. | — | 30B |
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. | — | 1M |
| 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. | 49% | 51.6% |
| BenchmarksPublished by one model only | ||
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 75.4% |
| Overview | ||
| Company | Anthropic | NVIDIA |
| Release date | Oct 22 2024 | Aug 11 2026 |
| Access | Proprietary | Open Source |
Other comparisons
Frequently asked questions
Nemotron 3.5 Lightning leads Claude 3.5 Sonnet (upgraded) on 1 of the 1 benchmark they both report (SWE-Bench Verified). Claude 3.5 Sonnet (upgraded) shipped 658 days before Nemotron 3.5 Lightning, so benchmark comparisons should account for the intervening progress.
Claude 3.5 Sonnet (upgraded) is proprietary, while Nemotron 3.5 Lightning is open source.
On SWE-Bench Verified, Nemotron 3.5 Lightning leads at 51.6% vs Claude 3.5 Sonnet (upgraded) at 49%.
Claude 3.5 Sonnet (upgraded) was released by Anthropic on Oct 22 2024.
Nemotron 3.5 Lightning was released by NVIDIA on Aug 11 2026.
Nemotron 3.5 Lightning leads on SWE-Bench Verified — Claude 3.5 Sonnet (upgraded) 49% vs Nemotron 3.5 Lightning 51.6%.
Claude 3.5 Sonnet (upgraded) is a proprietary model released by Anthropic. Nemotron 3.5 Lightning is an open source model released by NVIDIA.