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Specifications
Specifications and pricing as served by Composite
Model ID
thinkingmachines/inkling
Provider
cv11
Context window
524,288 tokens
Accepts
text, image, audio
Returns
text
Input price
$1.25 per million tokens
Output price
$5.06 per million tokens
Prompt caching
Supported — cached input is billed at the provider's cache rate, on credits and plans alike
Thinking
Optional - see "Thinking Machines: Inkling (Reasoning)" in the catalog to turn it on by default
Moderated
No
Cost on a monthly plan
About 12 plan credits per typical call (8k in, 1k out)
Routing endpoints
2 (base plus 1 routing variant)
Use Thinking Machines: Inkling in JanitorAI or SillyTavern
Make a Composite API key and type thinkingmachines/inkling 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 1 alternative endpoint. Call the id directly to pin a route; the base id above picks for you.
Route
Model ID
Provider
Price
cheapThink
thinkingmachines/inkling:cheapThink
cv11
$1.25 per million tokens input · $5.06 per million tokens output
Pricing
$1.25 per million tokens input · $5.06 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 12 plan credits, at the provider's own price.
Provider
cv11
Roleplay fit
This model is available on Composite alongside dozens of others from other labs, so it is easy to compare against similar options.
Context behavior
With a 524,288-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 sits in the mid-range on price, a reasonable pick for regular roleplay use without going for the cheapest option available.
From the provider
Inkling is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 41B active parameters out of 975B total. It is designed for general-purpose reasoning, coding, agentic and tool-use systems,...