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Meta: Muse Spark 1.2

meta/muse-spark-1.2

Meta: Muse Spark 1.2 is a 1,048,576-token model served on Composite at $1.56 per million tokens in and $5.31 per million tokens out.

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Specifications

Specifications and pricing as served by Composite
Model IDmeta/muse-spark-1.2
Providercv11
Context window1,048,576 tokens
Acceptstext, image, video, file
Returnstext
Input price$1.56 per million tokens
Output price$5.31 per million tokens
Prompt cachingSupported — cached input is billed at the provider's cache rate, on credits and plans alike
Web search$0.0031 per result
ThinkingAlways on for this model
ModeratedYes - by the provider
Cost on a monthly planAbout 14 plan credits per typical call (8k in, 1k out)
Routing endpoints2 (base plus 1 routing variant)

Use Meta: Muse Spark 1.2 in JanitorAI or SillyTavern

Make a Composite API key and type meta/muse-spark-1.2 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.

JanitorAI setup · SillyTavern setup · Best Janitor AI proxies compared

Measured on Composite

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.

RouteModel IDProviderPrice
cheapThink meta/muse-spark-1.2:cheapThink cv11 $1.56 per million tokens input · $5.31 per million tokens output

Pricing

$1.56 per million tokens input · $5.31 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 14 plan credits, at the provider's own price.

Provider

cv11

Roleplay fit

Llama models are a widely-supported open baseline, useful when you want predictable, well-documented behavior.

Context behavior

With a 1,048,576-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

Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, and PDF documents, returns text, and offers a 1M-token context window....

Supplied by cv11, not written by Composite.