Claude Opus 4.5 vs LLaMA 3.3
Anthropic Claude Opus 4.5 | Meta LLaMA 3.3 | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Meta |
| Release date | Nov 24 2025 | Dec 6 2024 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 70B |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 90% | — |
Coding SWE-Bench VerifiedReal 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. | 80.9% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 87% | — |
| Timeline | ||
| Release gap | LLaMA 3.3 shipped 353 days before Claude Opus 4.5 | |
Which is better: Claude Opus 4.5 or LLaMA 3.3?
Claude Opus 4.5 and LLaMA 3.3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 3.3 shipped 353 days before Claude Opus 4.5, so benchmark comparisons should account for the intervening progress.
Claude Opus 4.5 is proprietary, while LLaMA 3.3 is open weight.
Direct benchmark comparisons are unavailable — Claude Opus 4.5 and LLaMA 3.3 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Opus 4.5 was released by Anthropic on Nov 24 2025.
LLaMA 3.3 was released by Meta on Dec 6 2024.
Claude Opus 4.5 is a proprietary model released by Anthropic. LLaMA 3.3 is an open weight model released by Meta.
Other comparisons
Claude Opus 4.5 vs GPT-5.6 SolLLaMA 3.3 vs GPT-5.6 SolClaude Opus 4.5 vs Gemini OmniLLaMA 3.3 vs Gemini OmniClaude Opus 4.5 vs Grok 4.5LLaMA 3.3 vs Grok 4.5Claude Opus 4.5 vs DeepSeek-V4-ProLLaMA 3.3 vs DeepSeek-V4-ProClaude Opus 4.5 vs Mistral Medium 3.5LLaMA 3.3 vs Mistral Medium 3.5Claude Opus 4.5 vs Kimi K2.7 CodeLLaMA 3.3 vs Kimi K2.7 Code