Ways to buy 6
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 Anthropic APIThe lab's own API · cached $1 | $10 | $50 | $10 / $50List price | $1 | List price |
 AWS BedrockDefault region · cached $1 | $10 | $50 | $10 / $50Same as list | $1 | Same as list |
 Azure AI FoundryDefault region · cached $1 | $10 | $50 | $10 / $50Same as list | $1 | Same as list |
| Claude Platform on AWS Default region · cached $1 | $10 | $50 | $10 / $50Same as list | $1 | Same as list |
 Google Vertex AIglobal · cached $1 | $10 | $50 | $10 / $50Same as list | $1 | Same as list |
| Google Vertex AI europe · cached $1.1 | $11 | $55 | $11 / $55+10% vs list | $1.1 | +10% vs 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.
Helicone$2,000+0%
Kong AI Gateway$2,000+0%
LiteLLM$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%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| Claude Opus 5.5 Anthropic · 1M | $4 | $20 | $4 / $20 | $8 | 1M | Lab list price | · |
| Claude Fable 5.1 Anthropic · 1M | $10 | $50 | $10 / $50 | $20 | 1M | Lab list price | · |
| Claude Opus 5 Anthropic · 1M | $5 | $25 | $5 / $25 | $10 | 1M | Lab list price | · |
| Claude Sonnet 5 Anthropic · 1M | $2 | $10 | $2 / $10 | $4 | 1M | Lab list price | · |
 GPT-6 AstraOpenAI · 1.05MCheapest: $10 on OpenAI (flex) | $10 | $50 | $10 / $50 | $20 | 1.05M | $10 on OpenAI (flex) | · |
| GPT-5.5 OpenAI · 1.05MCheapest: $5.63 on OpenAI (flex) | $5 | $30 | $5 / $30 | $11.3 | 1.05M | $5.63 on OpenAI (flex) | · |
| o3 Pro OpenAI · 200K | $20 | $80 | $20 / $80 | $35 | 200K | Lab list price | · |
| GPT-6 Astra Pro OpenAI · 1.05MCheapest: $10 on OpenAI (flex) | $10 | $50 | $10 / $50 | $20 | 1.05M | $10 on OpenAI (flex) | · |
About Claude Fable 5
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding.
Takes text, image, files in and returns text. First listed Jun 16, 2026. Up to 128K output tokens. Blended price $20 per 1M tokens at 3 input to 1 output. Overall score 39 on leadersboard.fru.dev (rank 4). Model id claude-fable-5.
Price history
List price since Jun 16, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does Claude Fable 5 cost?
$10 per million input tokens and $50 per million output tokens, with cached input at $1, or $5 and $25 through the Batch API.
What is the context window of Claude Fable 5?
1M tokens, with up to 128K tokens of output.
Where is Claude Fable 5 cheapest?
Of 6 routes tracked, AWS Bedrock is cheapest at $10 input and $50 output per million tokens.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.