Muse Spark 1.3 Contributor
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It improves long-horizon agent collaboration, instruction following, and coding efficiency relative to Muse Spark 1.2.
Context
1,048,576
Max output
1,048,576
Input / 1M
$0.10
Output / 1M
$0.20
Providers
10
01Profile
Profile
Released
2026-09-02
Last updated
2026-09-02
Knowledge cutoff
—
Weights
Closed
02Capabilities
Capabilities
Input
text · image · video · pdf · audio
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
$0.002
Cache write
Not listed
03Pricing
Pricing across 9 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
12+ recent events since 2026-09-02
2026-09-11Addedbothuboffering→ new
2026-09-03Addedllmgatewayoffering→ new
2026-09-03Addedllmgateway-providersoffering→ new
2026-09-03Addedmetaoffering→ new
2026-09-03ContextopencodeContext window—→ 1,048,576
2026-09-03ContextopencodeMax output—→ 131,072
2026-09-03Addedopencodeoffering→ new
2026-09-03DeprecatedopencodeStatus—→ deprecated
2026-09-03Contextopencode-goContext window—→ 1,048,576
2026-09-03Contextopencode-goMax output—→ 131,072
2026-09-03Addedopencode-gooffering→ new
2026-09-03Deprecatedopencode-goStatus—→ deprecated