Claude Opus 5.5 vs Llama 3.3 70B
A direct, empirical evaluation of Claude Opus 5.5 (Anthropic) against Llama 3.3 70B (Meta AI).
Claude Opus 5.5
Developed by Anthropic · Proprietary Frontier Reasoner parameters
Autonomous enterprise codebase migrations, GitHub Copilot multi-file edits, SWE-bench Pro issue resolution (89.9%), and CodeRabbit automated reviews.
Llama 3.3 70B
Developed by Meta AI · 70.6B parameters
Self-hosted on-premise deployments and edge dense inference.
| Metric | Claude Opus 5.5 | Llama 3.3 70B |
|---|---|---|
| SWE-bench Verified | 89.9% | 38.8% |
| MMLU-Pro | 92.4% | 68.3% |
| MATH-500 | 97.2% | 75.8% |
| Context Window | 500,000 tokens | 128,000 tokens |
| Input Pricing (per 1M) | $4.00 | $0.15 |
| Output Pricing (per 1M) | $20.00 | $0.60 |