GPT-5.6 Terra vs Gemini 3.8 Flash
GPT-5.6 TerraOpenAI Gemini 3.8 FlashGoogle Our takeGemini 3.8 Flash wins 4 of 4 categories and costs less: 3.0× cheaper for everyday text work. Easy pick.
Overall6071Best
Coding5466Best
Writing5380Best
Support5778Best
Value5066Best
Input / 1M$2.00$0.75Best
Output / 1M$12.00$3.75Best
Blended / 1M$4.50$1.50Best
Context window1.1MBest1M
Open weightsNoNo
Released9 Jul 20262 Sept 2026
Your monthly bill
GPT-5.6 Terra$900
Gemini 3.8 Flash$300Cheapest