Together Link: frontier-quality open models in the harness you already use

Together Link is a tool that connects existing coding-agent environments, including Claude Code, Claude Desktop, Codex, OpenCode, and Pi, to Together AI’s open models with the aim of reducing model spending by more than 50% without changing established workflows. It positions open models such as Kimi K3 and GLM 5.3 for complex coding work, while faster models including GLM 5.3 Flash and DeepSeek V4.1 Flash handle routine tasks at lower cost. Installation requires a single command and uses a Together AI API key, while an Auto routing option selects a model once per session based on the initial task, preserving prompt caching and optionally incorporating Anthropic models when an Anthropic key is supplied. The service provides per-session cost comparisons against Opus 5.5, bills through existing Together AI pay-as-you-go or credit-pack accounts, and operates on Together’s serverless inference infrastructure.

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