Claude Sonnet 5 vs Gemini 3.8 Flash
Claude Sonnet 5Anthropic Gemini 3.8 FlashGoogle Our takeGemini 3.8 Flash wins 4 of 4 categories and costs less: 2.7× cheaper for everyday text work. Easy pick.
Overall5371Best
Coding5566Best
Writing5380Best
Support5678Best
Value4366Best
Input / 1M$2.00$0.75Best
Output / 1M$10.00$3.75Best
Blended / 1M$4.00$1.50Best
Context window1M1MBest
Open weightsNoNo
Released29 Jun 20262 Sept 2026
Your monthly bill
Claude Sonnet 5$800
Gemini 3.8 Flash$300Cheapest