Claude 3 Sonnet vs Llama 3.3 70B

Performance benchmarks + pricing comparison — updated April 2026

Claude 3 Sonnet

Anthropic

First generation Sonnet. Balanced performance for general tasks.

Input$3.00/M
Output$15.00/M
Context200K tokens
Best ForGeneral-purpose coding and reasoning
Benchmark65/100

Llama 3.3 70B

Meta

Meta's open-weight 70B model. Strong coding and general capability, widely supported across AI platforms.

Input$0.250/M
Output$1.00/M
Context128K tokens
Best ForSelf-hosted deployments, cost-effective coding, custom fine-tuning

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioClaude 3 SonnetLlama 3.3 70BSavings
Small Script (1K lines) $0.55 $0.04 Llama 3.3 70B saves $0.52 (93%)
Medium Feature (10K lines) $4.05 $0.29 Llama 3.3 70B saves $3.76 (93%)
Large Project (50K lines) $20.25 $1.44 Llama 3.3 70B saves $18.81 (93%)
Code Review (5K lines) $0.90 $0.07 Llama 3.3 70B saves $0.83 (92%)

Verdict

Llama 3.3 70B wins on both price and performance — $0.250/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models