Anthropic · AI model API pricing
How much does Claude Fable 5 cost?
Anthropic's most capable model — a premium tier above Opus, priced accordingly for the hardest reasoning and long-horizon agent work.
Rate card
| Input tokens | $10 / 1M |
| Cached input | $1 / 1M |
| Output tokens | $50 / 1M |
| Context window | 1M |
What that means per month
| Workload | Tokens / month | Cost / month |
|---|---|---|
| Prototype | 1M in · 0.3M out | $25/mo |
| Small app | 10M in · 3M out | $250/mo |
| Production app | 50M in · 15M out | $1,250/mo |
| High volume | 200M in · 60M out | $5,000/mo |
| Heavy platform | 1B in · 300M out | $25,000/mo |
Standard on-demand rates from Anthropic's official pricing docs, last checked 2026-07-16. Cached-input reads bill at ~10% of the input rate; cache writes carry a 1.25× premium. Monthly figures exclude caching and batch discounts. Confirm live pricing before committing.
Cheaper alternatives
At a reference workload of 10M input / 3M output tokens a month, these cost less than Claude Fable 5 ($250/mo):
-
GPT-5.6 Sol $140/mo - Claude Opus 4.8 $125/mo
-
Kimi K3 $75/mo