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Specifications
Specifications and pricing as served by Composite
Model ID
anthropic/claude-fable-5.2
Provider
cv11
Context window
1,000,000 tokens
Accepts
text, image, file
Returns
text
Input price
$10.0 per million tokens
Output price
$50.0 per million tokens
Prompt caching
Supported — cached input is billed at the provider's cache rate, on credits and plans alike
Web search
$0.0125 per result
Thinking
Always on for this model
Moderated
Yes - by the provider
Cost on a monthly plan
About 104 plan credits per typical call (8k in, 1k out)
Routing endpoints
8 (base plus 7 routing variants)
Use Anthropic: Claude Fable 5.2 in JanitorAI or SillyTavern
Make a Composite API key and type anthropic/claude-fable-5.2 as the model name. JanitorAI takes the full URL https://composite.lucidity.sh/v1/chat/completions; SillyTavern, ChubAI, Agnai and RisuAI take https://composite.lucidity.sh/v1. It runs on credits, a plan, or your own provider key.
This model has not carried enough traffic on Composite yet to publish a success rate, a latency figure or a traffic rank. The numbers appear here once it has.
Routing variants
The same model behind 7 alternative endpoints. Call the id directly to pin a route; the base id above picks for you.
Route
Model ID
Provider
Price
Normal
anthropic/claude-fable-5.2-normal
cv11
$10.0 per million tokens input · $50.0 per million tokens output
Normal + cheapThink
anthropic/claude-fable-5.2-normal:cheapThink
cv11
$10.0 per million tokens input · $50.0 per million tokens output
Cheapest provider
anthropic/claude-fable-5.2:cheapest-provider
Google
$10.0 per million tokens input · $50.0 per million tokens output
$10.0 per million tokens input · $50.0 per million tokens output
cheapThink
anthropic/claude-fable-5.2:cheapThink
cv11
$10.0 per million tokens input · $50.0 per million tokens output
Fast
anthropic/claude-fable-5.2:fast
Google
$10.0 per million tokens input · $50.0 per million tokens output
Fast + cheapThink
anthropic/claude-fable-5.2:fast:cheapThink
Google
$10.0 per million tokens input · $50.0 per million tokens output
Pricing
$10.0 per million tokens input · $50.0 per million tokens output
Credits pay the provider’s price plus 25%; cache hits cost less.
On a monthly plan, a typical call (8k tokens in, 1k out) uses about 104 plan credits, at the provider's own price.
Provider
cv11
Roleplay fit
Claude models are widely regarded for nuanced, in-character writing and for following detailed system prompts and character cards closely.
Context behavior
With a 1,000,000-token context window, it can hold a long-running roleplay or a full lorebook in memory without losing earlier plot details, so it suits multi-session campaigns and character cards with heavy backstory.
Cost for regular use
It is priced for quality-sensitive scenes, where writing quality and instruction-following matter more than minimizing per-message cost.
From the provider
Claude Fable 5.2 is Anthropic's most capable model for the most demanding technical work, with gains over Fable 5.1 in coding, reasoning, and vision. In prerelease testing it completed otherwise-infeasible...