Cost guide
Claude Fable 5 pricing
Fable 5 is a premium reasoning model. Budget API usage before routing every request to it.
API rates
Budget Fable 5 like a premium reasoning model.
Launch pricing is positioned above everyday Claude usage, with separate rates for base tokens, cache writes, cache hits, and US-only inference. Long-context systems should estimate cache behavior instead of multiplying only base tokens.
Free and subscription access
Fable 5 launches publicly through API and supported platforms.
Launch reporting says Fable 5 is included in Pro, Max, Team, and seat-based Enterprise plans at no extra cost.
Usage credits are expected to be required unless Anthropic extends or changes subscription availability.
Cost strategy
Do not route every request to Fable 5.
Use it for tasks where long-horizon reasoning, tool use, or verification can save meaningful engineering time. For simple extraction, formatting, or short Q&A, a lower-cost Claude model may be the better default.
FAQ
Quick answers
How much does Claude Fable 5 cost?
Anthropic's pricing page lists Claude Fable 5 at $10 per million input tokens and $50 per million output tokens.
Does prompt caching work with Claude Fable 5?
Anthropic lists cache write and cache hit pricing for Fable 5. The Fable product page also notes the existing prompt-caching discount.
Is Claude Fable 5 free?
Launch reporting says Fable 5 is included temporarily in paid Claude subscription plans through June 22, 2026, then usage credits are required from June 23 unless Anthropic changes the rollout.
Is US-only inference available?
Anthropic says US-only inference is available at 1.1x pricing for input and output tokens.
Sources
Checked June 11, 2026
Model availability, pricing, and safeguard behavior can change. This guide links to primary sources so the page can be refreshed quickly.