Head to head

GPT-5.5 Cyber vs Claude Fable 5

On a blended workload of one million input tokens and three million output tokens, Claude Fable 5 is 1.5× cheaper than GPT-5.5 Cyber.

GPT-5.5 CyberClaude Fable 5
Provider OpenAI Anthropic
Input / MTok $12.5 $10
Output / MTok $75 $50
Cache read / MTok $1.25 $1
Context window 1,000,000
Blended 1M in + 3M out $237.50 $160.00
Status ga ga

GPT-5.5 Cyber detail   Claude Fable 5 detail