Code & Chain · Signal Desk

Meta Opens Public Preview of Muse Spark 1.1 API, Million-Token Context for Agentic Coding and Tool Use

2026-07-12AIProductLast updated: 12 Jul 2026, 7:17 am
Original sourceAwesome AgentsAdditional: Ppc.land

Summary

Meta opened the Muse Spark 1.1 API public preview on July 9, 2026, with an OpenAI-compatible interface, a 1-million token context window, and pricing of $1.25 per million input tokens and $4.25 for output. The model supports multimodal inputs (text, images, video, PDF) and natively integrates MCP s…

Key points

  • Developers gain ultra-long context and agentic coding capabilities at relatively low cost, ideal for building complex automation applications.
  • Meta enters the paid model API market with a million-token context and agent-native design, targeting the developer tools segment.
  • Startups and indie developers face lower barriers to high-level reasoning models, accelerating agent-based prototype development, but should note API preview stability.
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Editorial note

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