Meta: Muse Spark 1.3
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... Million-token context for extended agent sessions Multimodal input across images, video, audio, and files Designed for multi-agent orchestration and tool use Strong fit for long-running coding workflows New listing with limited independent benchmark coverage Premium pricing for high-volume workloads Long-horizon coding agents Multimodal document and codebase analysis Multi-agent tool orchestration
Specifications
| Lab | Meta |
|---|---|
| Context window | 128,000 |
| Input price | $0.00/1M |
| Output price | $0.00/1M |
| Release | 2026-09-01 00:00:00 |
Strengths
- Million-token context for extended agent sessions
- Multimodal input across images, video, audio, and files
- Designed for multi-agent orchestration and tool use
- Strong fit for long-running coding workflows
Weaknesses
- New listing with limited independent benchmark coverage
- Premium pricing for high-volume workloads
Best for
- Long-horizon coding agents
- Multimodal document and codebase analysis
- Multi-agent tool orchestration
In Depth: Muse Spark 1.3
Summary
Muse Spark 1.3 is an AI model from Meta.
Released 2026-09-01 00:00:00. It supports Text input and produces Text output, with a context window of 128K tokens. Input pricing is $0.00 per 1M tokens and output is $0.00 per 1M tokens on OpenRouter.