Grok 4 vs Claude Sonnet 4 Lite

Performance benchmarks + pricing comparison — updated April 2026

Grok 4

xAI

Next-generation xAI model with enhanced reasoning and coding capability. Competes with Claude Opus and o3 Pro tier.

Input	$5.00/M
Output	$25.00/M
Context	256K tokens
Best For	Complex reasoning, advanced coding, enterprise applications

Anthropic

Lighter version of Claude Sonnet 4. Good balance of quality and cost for day-to-day coding.

Input	$1.00/M
Output	$5.00/M
Context	200K tokens
Best For	Day-to-day coding, documentation, cost-conscious teams
Benchmark	70/100

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

Scenario	Grok 4	Claude Sonnet 4 Lite	Savings
Small Script (1K lines)	$0.93	$0.21	Claude Sonnet 4 Lite saves $0.72 (78%)
Medium Feature (10K lines)	$6.75	$1.55	Claude Sonnet 4 Lite saves $5.20 (77%)
Large Project (50K lines)	$33.75	$7.76	Claude Sonnet 4 Lite saves $25.99 (77%)
Code Review (5K lines)	$1.50	$0.40	Claude Sonnet 4 Lite saves $1.10 (73%)

Claude Sonnet 4 Lite wins on both price and performance — $1.00/M input with a benchmark score of N/A/100.

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

Anthropic's balanced model for coding and general tasks. Best price-performance ratio in the Claude family.

Anthropic's most powerful model. Best for complex reasoning and challenging coding tasks.

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

Fast, cost-effective model for high-volume tasks. Great for code review and simple queries.

First generation Opus. Highest reasoning capability in the Claude 3 family.

First generation Sonnet. Balanced performance for general tasks.