Free Muse Spark 1.2 API
Updated 8/31/2026
Meta Muse Spark 1.2 coding model with generous free tier on OpenCode Zen.
About the Model
Why Choose Muse Spark 1.2?
Muse Spark 1.2 is Meta's specialized lightweight coding model optimized for Agent workflows, AST code transformations, and IDE completions.
Try it in your browser
Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.
Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.
How to call Muse Spark 1.2
curl https://opencode.ai/zen/v1/chat/completions \
-H "Authorization: Bearer $OPENCODE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "muse-spark-1.2-free",
"messages": [{"role": "user", "content": "Write a TypeScript function to debounce an async callback."}]
}'Provider Details
The following platforms provide free access to Muse Spark 1.2 through free tiers, trial credits, or daily quotas.
| Provider | Context Window | Free Quota | Requires CC | Rating | Action |
|---|---|---|---|---|---|
| OpenCode Zen | N/A | No | Details |
Frequently Asked Questions
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