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Anthropic: Claude Fable 5.1 API Pricing
Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...
How much does Anthropic: Claude Fable 5.1 cost for a real workload?
At 10M input + 2M output tokens per month, Anthropic: Claude Fable 5.1 costs about $200 ($100 input + $100 output). Try your own volumes in the cost calculator.
What is the official Anthropic: Claude Fable 5.1 price?
| Official (anthropic) | Catalog (OpenRouter) | |
|---|---|---|
| Input /1M | $10 | $10 |
| Output /1M | $50 | $50 |
| Cached input /1M | $0.25 | $0.25 |
✓ Matches the official list price. Source: anthropic official pricing page, checked 2026-10-21.
What are cheaper alternatives to Anthropic: Claude Fable 5.1?
- Anthropic: Claude Opus 4.1 (batch) — $7.5 in / $37.5 out per 1M
- OpenAI: GPT-4 Turbo — $10 in / $30 out per 1M
- Sakana: Fugu Ultra v2 — $5 in / $30 out per 1M
- Sakana: Fugu Ultra — $5 in / $30 out per 1M
- OpenAI: GPT Chat Latest — $5 in / $30 out per 1M
- OpenAI: GPT-5.5 — $5 in / $30 out per 1M
Compare Anthropic: Claude Fable 5.1 with other models
Anthropic: Claude Fable 5.1 vs Anthropic: Claude Haiku 5.5 (batch)Anthropic: Claude Fable 5.1 vs Anthropic: Claude Haiku 5.5Anthropic: Claude Fable 5.1 vs Anthropic: Claude Haiku 4.5 (batch)Anthropic: Claude Fable 5.1 vs Anthropic: Claude Sonnet 5.5 (batch)Anthropic: Claude Fable 5.1 vs Anthropic: Claude Sonnet 5 (batch)Anthropic: Claude Fable 5.1 vs Anthropic: Claude Haiku 4.5
Frequently asked questions
How much does Anthropic: Claude Fable 5.1 cost?
Anthropic: Claude Fable 5.1 costs $10 per 1M input tokens and $50 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $200.
What is the context window of Anthropic: Claude Fable 5.1?
Anthropic: Claude Fable 5.1 has a context window of 1,000,000 tokens and can return up to 128,000 output tokens per response.
What are cheaper alternatives to Anthropic: Claude Fable 5.1?
Cheaper models include Anthropic: Claude Opus 4.1 (batch) ($7.5 in / $37.5 out), OpenAI: GPT-4 Turbo ($10 in / $30 out), Sakana: Fugu Ultra v2 ($5 in / $30 out). See the full list on this page.
Is Anthropic: Claude Fable 5.1 free to use?
No. Anthropic: Claude Fable 5.1 is a paid model at $10 input / $50 output per 1M tokens. 20 free models are listed on the free models page.
What is the official price of Anthropic: Claude Fable 5.1?
On anthropic's official pricing page (checked 2026-10-21), Anthropic: Claude Fable 5.1 is listed at $10 per 1M input tokens and $50 per 1M output tokens. The catalog price tracked on this page matches it exactly.
Provider: anthropic · Model ID: anthropic/claude-fable-5.1 · Modality: text+image+file->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices