Together breaks down the five-layer open-source AI stack for agentic coding
CShorten30 · x · 2026-09-10
Together published an article on how the open model stack supports agentic coding, arguing that as open-source models close the quality gap with closed ones, developers and organizations are moving to open stacks for ownership and control.
The stack breaks into five layers:
- model
- inference
- gateway/router
- harness
- tools
The author stresses the stack is highly flexible — you can freely mix models, providers, harnesses, and tools to experiment with combinations that fit your agent workflow.
Related event: Together AI Outlines Five-Layer Open Source Agentic Coding Stack(2 posts)→
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