Claude Fable 5.1 pricing
What Claude Fable 5.1 costs per million tokens, on 2 platforms: input, output, cache read and cache write, with batch and long-context rates where the provider publishes them. Every figure is the rate Vigil's proxy bills with, read from the provider's own page.
Prices checked 9 Oct 2026 against platform.claude.com · registry sources: cloud.google.com. All shown rates agreed with the page.
Claude Fable 5.1 on Anthropic API
Model id claude-fable-5-1. Verified against the provider's published price; registry row retrieved 2026-09-11 from platform.claude.com.
| Applies | Input | Output | Cache read | Cache write |
|---|---|---|---|---|
| Standard | $10.00 | $50.00 | $0.250 | $12.50 5m · $20.00 1h |
USD per 1M tokens. A dash means the provider publishes no rate for that dimension, so the proxy declines to price it.
- Endpoint classes: global, regional (×1.1).
- on_demand: the standard rate.
- batch: 50% below the standard rate.
- No long-context tier: the standard rate applies at any prompt size.
Claude Fable 5.1 on Google Vertex AI
Model id claude-fable-5-1. Verified against the provider's published price; registry row retrieved 2026-09-11 from cloud.google.com.
| Applies | Input | Output | Cache read | Cache write |
|---|---|---|---|---|
| Standard | $10.00 | $50.00 | $0.250 | $12.50 5m · $20.00 1h |
USD per 1M tokens. A dash means the provider publishes no rate for that dimension, so the proxy declines to price it.
- Endpoint classes: global, regional (×1.1), multi_region (×1.1).
- on_demand: the standard rate.
- batch: 50% below the standard rate.
- provisioned: capacity-billed (PTU/GSU/provisioned throughput) — per-token math fabricates a number (§10.6).
- Above 200,000 input tokens the rate is unverified, so the proxy declines to price such a call rather than guess.
Price a Claude Fable 5.1 call
Claude Fable 5.1 on Anthropic API, standard rate, priced now
Cache writes, batch, endpoint class and monthly volume: AI token calculator
Questions
- Is Claude Fable 5.1 the same price on Google Vertex AI as on Anthropic API?
- Yes. The input, output and cache-read rates the registry holds for Anthropic API, Google Vertex AI are the same per 1M tokens on the global endpoint class. A regional or multi-region endpoint, where one is published, carries its own factor (shown per platform below).
- What does a cache read cost on Claude Fable 5.1?
- A cache-read token on Anthropic API costs $0.250 per 1M tokens, against $10.00 for an ordinary input token. An ordinary input token costs 40 times as much. A cache write costs $12.50 (5m) or $20.00 (1h) per 1M tokens.
- Does Claude Fable 5.1 have a batch price?
- Yes: batch: 50% below the standard rate. The batch rate applies to the whole request; the proxy prices a batch call from the same row with that factor applied.
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