Claude Sonnet 4 vs Gemini 2.5 Flash Lite

Performance benchmarks + pricing comparison — updated April 2026

Claude Sonnet 4

Anthropic

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

Input$3.00/M
Output$15.00/M
Context200K tokens
Best ForDay-to-day coding, code review, documentation
Benchmark78/100

Gemini 2.5 Flash Lite

Google

The most affordable Gemini model. Ultra-low cost for high-volume, simple coding and text tasks.

Input$0.037/M
Output$0.150/M
Context1M tokens
Best ForHigh-volume tasks, batch processing, cost-optimized pipelines

Cost Comparison by Scenario

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

ScenarioClaude Sonnet 4Gemini 2.5 Flash LiteSavings
Small Script (1K lines) $0.62 <$0.01 Gemini 2.5 Flash Lite saves $0.61 (99%)
Medium Feature (10K lines) $4.66 $0.04 Gemini 2.5 Flash Lite saves $4.61 (99%)
Large Project (50K lines) $23.29 $0.22 Gemini 2.5 Flash Lite saves $23.07 (99%)
Code Review (5K lines) $1.20 $0.01 Gemini 2.5 Flash Lite saves $1.19 (99%)

Verdict

Gemini 2.5 Flash Lite wins on both price and performance — $0.037/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