Claude 3.5 Sonnet vs Grok Code

Performance benchmarks + pricing comparison — updated April 2026

Claude 3.5 Sonnet

Anthropic

Previous generation Sonnet. Still excellent for coding tasks at the same price point.

Input$3.00/M
Output$15.00/M
Context200K tokens
Best ForCoding assistants, web development, data analysis
Benchmark72/100

Grok Code

xAI

xAI's coding-specialized model. Optimized for code generation, debugging, and software engineering tasks.

Input$1.50/M
Output$7.50/M
Context128K tokens
Best ForCode generation, debugging, software development workflows

Cost Comparison by Scenario

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

ScenarioClaude 3.5 SonnetGrok CodeSavings
Small Script (1K lines) $0.62 $0.28 Grok Code saves $0.34 (55%)
Medium Feature (10K lines) $4.66 $2.02 Grok Code saves $2.63 (57%)
Large Project (50K lines) $23.29 $10.13 Grok Code saves $13.16 (57%)
Code Review (5K lines) $1.20 $0.45 Grok Code saves $0.75 (63%)

Verdict

Grok Code wins on both price and performance — $1.50/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