Fable 5's security is a sure-fire strategy to protect profits.

Fable 5 is Mythos with a classifier bolted on. Same weights. Anthropic said so. You pay for thinking you'll never see. Raw chain of thought is never returned . Not optionally hidden. Never. Default returns an empty thinking field. "Summarized" gives you a digest of reasoning you're billed for at $50/million output tokens . If the reasoning were dangerous, the summary would be too. What's actually dangerous is someone distilling a trillion-dollar model by reading its scratch work. This is an IP moat. Thinkin