1. Models
  2. GPT-5.6 vs GPT-6

3 charts

GPT-5.6 vs GPT-6

Every chart we tracked that puts them side by side. Open one to see the test, the source and how far it travelled.

GPT-5.6GPT-6
Artificial Analysis benchmark bar chart: AI model intelligence index
Artificial Analysis·Sep 2026
AI model intelligence index
723.7K views2K likes0.3% eng.
Data
Artificial Analysis waterfall chart: AI model cost analysis
Artificial Analysis·Oct 2026
AI model cost analysis
45.4K views689 likes1.7% eng.
Data
Epoch AI scatter plot: GPT-6 Astra TTF scaling
Epoch AI·Sep 2026
GPT-6 Astra TTF scaling
19.5K views227 likes1.4% eng.
Data

Questions people ask

Is GPT-5.6 better than GPT-6?

3 charts we tracked put GPT-5.6 and GPT-6 side by side, from Artificial Analysis, Epoch AI. Which wins depends on the benchmark; each chart below shows its own test.