Head to head

Claude Sonnet 4.6 vs GPT-5.6 Sol

On a blended workload of one million input tokens and three million output tokens, Claude Sonnet 4.6 is 2.0× cheaper than GPT-5.6 Sol.

Claude Sonnet 4.6GPT-5.6 Sol
Provider Anthropic OpenAI
Input / MTok $3 $5
Output / MTok $15 $30
Cache read / MTok $0.3 $0.5
Context window 1,000,000
Blended 1M in + 3M out $48.00 $95.00
Status ga ga

Claude Sonnet 4.6 detail   GPT-5.6 Sol detail