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Muse Spark 1.2 Contributor

Muse Spark 1.2 Contributor serves the same weights as Muse Spark 1.2 at a substantially lower rate, in exchange for Meta using your inputs and outputs to train its models. Your use is subject to Meta's Terms & Privacy Policies.

ReasoningTool UseImplicit CachingFile InputVision (Image)
import { streamText } from 'ai'
const result = streamText({
model: 'meta/muse-spark-1.2-contributor',
prompt: 'Why is the sky blue?'
})
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Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Free Tier
Release Date
1M1M
4.2s
126tps
$0.10/M
$0.20/M
Read:$0.002/M
Write:
+2
08/05/2026