# Tiered Router

> Tiered Model Router (P14)

- Skill: `zedarvates/tiered-router` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add zedarvates/tiered-router`
- Raw SKILL.md: https://api.skillmd.com/api/skills/zedarvates/tiered-router/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: zedarvates (https://skillmd.com/u/zedarvates)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/zedarvates/tiered-router

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# Tiered Model Router (P14)
5-level intelligent model selection with cost estimation and auto-downgrade.

**Trigger:** Before EVERY LLM call — route through tiered router first.

**5 Levels:**
```
L0 FREE (0 tok):    Hailo-8, LocalAI TTS/STT, pure math/vectors
L1 LOCAL (~100 tok): LocalAI Gemma-4 / Ollama — simple Q&A
L2 CHEAP (~500 tok): Cloud small — code review, bug detection
L3 STANDARD (~2K tok): Cloud standard — architecture, complex reasoning
L4 PREMIUM (~8K tok): Cloud best — security audit, system design
```

**Features:**
- Cost estimation before call (tokens + $)
- Auto-downgrade when budget exceeded
- Per-project daily/monthly budget limits
- Usage tracking + savings report
- Agent-to-agent delta compression

**Module:** `skills/tiered_router`
**Typical savings:** 95-99% vs all-PREMIUM