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Muse Spark 1.3 Free API

Free

Muse Spark 1.3 Free answers at api.apmix.ai under the id below — one key and one monthly plan, on the OpenAI and Anthropic wire formats your tools already speak. No separate Meta account, no per-provider bill.

Model idmeta/muse-spark-1.3-freeStarterProMax
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At a glance

Provider
Meta
Included in
Starter, Pro, Max — from $4.99/month
Weighted-token cost
1× — a 1,000-token exchange costs 1K weighted tokens
Context window
Not published by the provider
Free tier
Yes — the 2M free tokens every new account gets can be spent here

Call Muse Spark 1.3 Free

Set the model to muse-spark-1.3-free in any OpenAI- or Anthropic-compatible client. Both base URLs accept the same apmix key.

OpenAI-compatible · Chat Completions
curl https://api.apmix.ai/v1/chat/completions \
  -H "Authorization: Bearer apx_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "muse-spark-1.3-free", "messages": [{"role": "user", "content": "Hello"}]}'
Anthropic-compatible · Messages
curl https://api.apmix.ai/v1/messages \
  -H "x-api-key: apx_live_YOUR_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{"model": "muse-spark-1.3-free", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello"}]}'
Setup guides for Claude Code, Codex CLI, Cursor and more

Questions about Muse Spark 1.3 Free

Is Muse Spark 1.3 Free free on apmix?
Yes. Every new account gets 2M free tokens that can be spent on Muse Spark 1.3 Free (muse-spark-1.3-free) and the other free models, with no daily limit and no expiry date. No card needed.
Which plan includes Muse Spark 1.3 Free?
Starter, Pro, Max. Each plan is a monthly allowance of weighted tokens shared across every model and every key; Muse Spark 1.3 Free counts at 1× per token.
How do I use Muse Spark 1.3 Free in Claude Code, Codex CLI or Cursor?
Point the tool at apmix — https://api.apmix.ai/v1 for OpenAI-compatible clients, https://api.apmix.ai for Anthropic-compatible ones — with your apmix key, and set the model to muse-spark-1.3-free. The Docs page has copy-paste setup for each tool.

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