Claude Sonnet 5.5 vs Llama 3.3 70B

A direct, empirical evaluation of Claude Sonnet 5.5 (Anthropic) against Llama 3.3 70B (Meta AI).

Claude Sonnet 5.5

Developed by Anthropic · Proprietary Frontier Dynamic Hybrid Reasoner parameters

Terminal-Bench 4.0 execution (70.6%), SWE-bench Verified coding (82.4%), GitHub Copilot multi-file edits, and low-latency autonomous agentic coding at $2/$10 pricing.

Llama 3.3 70B

Developed by Meta AI · 70.6B parameters

Self-hosted on-premise deployments and edge dense inference.

Metric Claude Sonnet 5.5 Llama 3.3 70B
SWE-bench Verified 82.4% 38.8%
MMLU-Pro 88.4% 68.3%
MATH-500 95.2% 75.8%
Context Window 1,000,000 tokens 128,000 tokens
Input Pricing (per 1M) $2.00 $0.15
Output Pricing (per 1M) $10.00 $0.60