Together AI Launches Meta's Muse Spark Open at Day 0

Meta released Muse Spark Open, billed as the strongest US open-weight model to date, with Together AI as a Day 0 partner offering hosted inference. The model features 1M context, multimodal input, long-horizon self-correction, and native agentic capabilities including web browsing and sub-agent orchestration.

2026-10-16 ~ 2026-10-16 · 4 related posts

• Muse Spark Open goes live on Together AI as a Day 0 launch partner — togethercompute · 2026-10-16
• Muse Spark Open: whole-project 1M context, multimodal input, long-horizon self-correction — togethercompute · 2026-10-16
• Muse Spark Open agent details: subagents, computer use, 1M-token project context — togethercompute · 2026-10-16
• Together AI serves Muse Spark Open serverless for agentic coding and multimodal workloads — togethercompute · 2026-10-16