Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)

claude-fable-5

Analysis of Anthropic's Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.