# Meta: Muse Spark 1.1: AI model fact sheet

- **Provider:** meta
- **Released:** 2026-07-09
- **Context window:** 1,048,576 tokens
- **API pricing:** $1.25 / 1M input, $4.25 / 1M output
- **OpenRouter ID:** meta/muse-spark-1.1
- **Capabilities:** conversation, reasoning, code-generation, analysis, planning, agentic-tool-use, function-calling

Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with a 1M-token context window. The model is designed to orchestrate multi-agent workflows, acting as either a main agent that plans and delegates or as a subagent, and generalizes zero-shot to new tools, MCP servers, and custom skills. It supports structured output, parallel function calling, built-in search with citations, and configurable reasoning effort.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/muse-spark-1.1