Anthropic · Flagship
Claude Fable 5.1 API pricing
$10.00 / 1M input tokens · $50.00 / 1M output tokens
📊Cheaper than 1 of the other 24 models we track, pricier than 23 — rank 24 of 25 by input price.
Pricing note: Cache hits priced at 0.025x base input (vs 0.1x standard) — the lowest cache rate Anthropic offers.
Within the flagship tier (5 models we track), the average input rate is $5.80/1M — Claude Fable 5.1 runs about 72% above that average.
Output tokens cost 5.0x the input rate for Claude Fable 5.1 — above the 4.6x average across all tracked models.
Provider
Anthropic
Tier
Flagship
Input /1M tokens
$10.00
Output /1M tokens
$50.00
Context window
1M tokens
Verified
September 10, 2026