Meta
Muse Spark 1.3
Released 2026-09-02
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...
You send / 1M
$1.25
tokens in
It replies / 1M
$4.25
tokens out
Memory
1.05M
tokens it can read at once
Typical request
$0.0037
1,000 words in, 400 out
Data privacy
No training or retention: Providers don't train on your prompts, but may keep them for a time.
Based on OpenRouter and Vercel AI Gateway data. Confirm terms with the provider before sending sensitive data.
What it can do
- Reads: text, image, video, file
- Writes: text
- Reasoning: Yes
- Tool calling: Yes
- Longest reply: 944K tokens
- Repeated text is billed at $0.150 per 1M (prompt caching)
- Intelligence score: 48.1 / 100 (Artificial Analysis)
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