Claude Fable 5.1
Provider: Anthropic
Nothing to act on today. The cost is the checking: someone has to remember to look again next month, and the month after. Coolhand watches this model for you and automatically updates your agents to the most compatible replacement the moment a retirement is announced — one less thing on your list, permanently.
Sticker prices & cost-per-token
List rates as published by Anthropic, before any volume or enterprise discounts.
$10.00
$50.00
$0.25
$12.50
$12.50
Get this data free
Want to stay updated on price changes on this model? Pull this data free (no API key required) here:
curl "https://coolhandlabs.com/api/v2/inference_apis?q%5Bmodel_eq%5D=claude-fable-5-1&q%5Bsource_api_eq%5D=anthropic"Pricing History
| Effective | Price |
|---|---|
| Sep 7, 2026 – present |
Input cost: $10.00 / 1M, Output cost: $50.00 / 1M, Cached input cost: $0.25 / 1M, Cache creation cost: $12.50 / 1M, 5-minute cache write cost: $12.50 / 1M, 1-hour cache write cost: $0.00 / 1M, Reasoning output cost: $0.00 / 1M, Cache storage cost: $0.00 / 1M/hr
Added Fable 5.1 with rates from pricing page. Prompt cache read: $0.25, write: $12.50 per 1M tokens (5m TTL).
|
History
Last change detected September 7, 2026 (3 days ago) by an automated scan.
| Date | Changed by | What changed |
|---|---|---|
| Sep 7, 2026 | Automated scan | Initial record created |
Source
https://www.anthropic.com/pricingComparable models
| Claude Fable 5.1 This model | Claude Fable 5 cheaper alternative | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input cost | $10.00/1M $0.0000100000 | $10.00/1M $0.0000100000 |
| Output cost | $50.00/1M $0.0000500000 | $50.00/1M $0.0000500000 |
| Status | Active | Active |
Reliability
No reliability incidents recorded in the last 90 days.
Frequently asked questions
Claude Fable 5.1 (Anthropic) costs $10.00 per 1M input tokens and $50.00 per 1M output tokens, as last published by Anthropic.
No, Claude Fable 5.1 is currently active with no announced deprecation date.
Comparable options from Anthropic include the lower-cost Claude Fable 5.
Claude Fable 5 is from the same provider (Anthropic) and a comparable pricing tier, but we haven't verified parameter, context-window, or tool-calling compatibility — check Anthropic's migration guide before switching.
Call GET https://coolhandlabs.com/api/v2/inference_apis?q[source_api_eq]=anthropic&q[model_eq]=claude-fable-5-1 — free, no API key required, and scoped to just this model since source_api and model together are unique. See https://coolhandlabs.com/docs for the full REST API reference.
Coolhand also tracks Claude Opus 4, Claude Sonnet 4, Claude Opus 4.1, Claude Fable 5, Claude Haiku 4.5, and Claude Haiku 4.5 from Anthropic. Some may already be deprecated, so check each model's status alongside its current pricing.
| Model | Input cost | Output cost | Status |
|---|---|---|---|
| Claude Opus 4 | $15.00/1M $0.0000150000 | $75.00/1M $0.0000750000 |
Deprecated Jul 13, 2026
|
| Claude Sonnet 4 | $3.00/1M $0.0000030000 | $15.00/1M $0.0000150000 |
Deprecated Jul 13, 2026
|
| Claude Opus 4.1 | $15.00/1M $0.0000150000 | $75.00/1M $0.0000750000 |
Deprecated Jul 13, 2026
|
| Claude Fable 5 | $10.00/1M $0.0000100000 | $50.00/1M $0.0000500000 | Active |
| Claude Haiku 4.5 | $1.00/1M $0.0000010000 | $5.00/1M $0.0000050000 | Active |
| Claude Haiku 4.5 | $1.00/1M $0.0000010000 | $5.00/1M $0.0000050000 | Active |
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