LLM Perks

Muse Spark 1.3 Contributor

Free right now Small

Muse Spark 1.3 Contributor is a language model. It is currently free at 1 provider with up to — tokens of context.

Type
Text

Where to use Muse Spark 1.3 Contributor for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
OpenCode Zen
muse-spark-1.3-contributor-free
— Free models are available for a limited time; prompts may be used to improve the model. — Open

Quick start

curl https://opencode.ai/zen/v1/chat/completions \
  -H "Authorization: Bearer $OPENCODE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "muse-spark-1.3-contributor-free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for OpenCode Zen. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.

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FAQ

Is Muse Spark 1.3 Contributor free?

Yes. As of October 15, 2026, Muse Spark 1.3 Contributor is free at OpenCode Zen. Each provider has its own limits — see the table above.

How do I call Muse Spark 1.3 Contributor via API?

Use any OpenAI-compatible client with base URL https://opencode.ai/zen/v1, model ID muse-spark-1.3-contributor-free, and a OpenCode Zen key.