Pricingby GlyphClaude 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...
Ways to buy 4
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
The lab's own API · cached $0.25 | $10 | $50 | $10 / $50List price | $0.25 | List price |
 AWS BedrockDefault region · cached $0.25 | $10 | $50 | $10 / $50Same as list | $0.25 | Same as list |
Default region · cached $0.25 | $10 | $50 | $10 / $50Same as list | $0.25 | Same as list |
global · cached $0.25 | $10 | $50 | $10 / $50Same as list | $0.25 | Same as list |
USD per 1M tokens; batch $5 in, $25 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $2,000 direct.
Kong AI Gateway$2,000+0%
LiteLLM$2,000+0%
Neon AI Gateway$2,000+0%
Vercel AI Gateway$2,000+0%
Cloudflare AI Gateway$2,100+5%
Requesty$2,100+5%
Eden AI$2,110+5.5%
OpenRouter$2,110+5.5%
HeliconeNot offeredNot offered
A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | |||||||
|---|---|---|---|---|---|---|---|---|
Anthropic · 1M | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1M | Lab list price | · | Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. |
Anthropic · 1M | $2 | $10 | $2 / $10 | $4 | 1M | Lab list price | · | Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. |
Anthropic · 1M | $4 | $20 | $4 / $20 | $8 | 1M | Lab list price | · | Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. |
Anthropic · 1M | $5 | $25 | $5 / $25 | $10 | 1M | Lab list price | · | Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. |
OpenAI · 1.05MCheapest: $10 on OpenAI (flex) | $10 | $50 | $10 / $50 | $20 | 1.05M | $10 on OpenAI (flex) | · | GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. |
OpenAI · 1.05MCheapest: $5.63 on OpenAI (flex) | $5 | $30 | $5 / $30 | $11.3 | 1.05M | $5.63 on OpenAI (flex) | · | GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. |
OpenAI · 1.05MCheapest: $10 on OpenAI (flex) | $10 | $50 | $10 / $50 | $20 | 1.05M | $10 on OpenAI (flex) | · | GPT-6 Astra Pro is the same underlying model as GPT-6 Astra, served with reasoning.mode set to pro for higher-quality responses on complex tasks. |
OpenAI · 400K | $5 | $30 | $5 / $30 | $11.3 | 400K | Lab list price | · | GPT Chat Latest points to OpenAI's stable API alias chat-latest that always resolves to the latest Instant chat model used in ChatGPT. |
About Claude Fable 5.1
Takes text, image, files in and returns text. First listed Sep 2, 2026. Up to 128K output tokens. Blended price $20 per 1M tokens at 3 input to 1 output. Overall score 51 on leadersboard.fru.dev (rank 2). Model id claude-fable-5-1.
Price history
List price since Sep 2, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does Claude Fable 5.1 cost?
$10 per million input tokens and $50 per million output tokens, with cached input at $0.25, or $5 and $25 through the Batch API.
What is the context window of Claude Fable 5.1?
1M tokens, with up to 128K tokens of output.
Where is Claude Fable 5.1 cheapest?
Of 4 routes tracked, AWS Bedrock is cheapest at $10 input and $50 output per million tokens.