Nova Router 1.5B

Nova Router 1.5B is the tool-routing model for Nova, the local AI assistant built into Eight.ly OS. Given a user request, it decides which NAS management tool to call (and with what arguments) across the full Eight.ly tool catalog — Docker, storage, VMs, LXC, file sharing, and system administration.

It is a fine-tune of Qwen2.5-Coder-1.5B and scores 99% tool-selection accuracy on the Eight.ly evaluation suite.

Role in Nova

Nova is router-in-front: this 1.5B model is the single tool router for every conversation. It runs as a hidden dependency — it is installed automatically alongside whichever talker (conversational model) the user chooses, and is never selected directly. The router picks the tool; the talker writes the reply.

user query → intent classifier → retrieval (nomic-embed-text) → Nova Router 1.5B (picks the tool) → talker (writes the reply)

Files

File Quant Size Use
gguf/eightly-agent-router-q16-Q8_0.gguf Q8_0 ~1.6 GB Shipped quant (Ollama)
gguf/eightly-agent-router-q16-Q4_K_M.gguf Q4_K_M ~1.0 GB Smaller alternative
*.safetensors fp16 Merged weights + LoRA adapter

Usage

ollama pull hf.co/smashingtags/nova-router-1.5b:Q8_0

Within Eight.ly OS this is handled automatically — installing any Nova talker pulls this router and the retrieval embedder with it.

Training

  • Base: Qwen2.5-Coder-1.5B
  • Data: the Eight.ly tool-calling dataset (41 tools across 6 domains)
  • Eval: 99% tool-selection accuracy, 0 false positives on no-tool queries

License

Apache-2.0.

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