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7/18/2026
Klaatcode: Open-source coding agent with per-request model routing and 82% cost reduction

Klaatcode: Open-source coding agent with per-request model routing and 82% cost reduction

Original: I Tested a Coding Agent That Routes Each Task to the Cheapest Model

Short summary

Klaatcode is an open-source terminal coding agent that routes each request to the cheapest capable model tier, claiming 82% cost reduction vs single-model agents. A hosted router classifies requests into five tiers (nano to heavy) and escalates/de-escalates automatically. It also ships a code knowledge graph for token-efficient symbol queries and a reproducible benchmark against Claude Code, opencode, and Grok.

  • •Per-request model routing across 5 tiers (nano to heavy) cuts costs by ~82%
  • •Open-source TypeScript CLI client with hosted Klaatu routing model
  • •Code knowledge graph indexes call graphs for 5-15x fewer tokens per task
  • •Includes /cost, /why, and plan mode for transparency and trust

Generated with AI, which can make mistakes.

#ai-tools#open-source#ai-agents
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