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cognis-digital/
opal-router

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Opal Router — one endpoint, the best US model per task

The Opal Router is the capability half of the Opal suite. Different model architectures (Llama / gpt-oss / Phi / Gemma) cannot be weight-merged. So instead of faking a single super-model, Opal combines them honestly, at the system level: one OpenAI-compatible endpoint that classifies each request and routes it to the US specialist best suited to it.

                    ┌──────────────── Opal Router (:11500, model="opal") ────────────────┐
  your request ───► │  classify →  code/sec ─► opal-8b        (Cognis merge)             │
                    │              reasoning ─► gpt-oss:20b    (OpenAI open MoE)          │
                    │              tool-call ─► llama3.1:8b    (Meta)                     │
                    │              general   ─► phi4           (Microsoft)               │
                    │              vision    ─► llava                                    │
                    └────────────────────────────────────────────────────────────────────┘

Honest framing: this is orchestration, not one weight. We don't claim a single model does all of this — we route to the model that actually does.
Real MoE included: hard-reasoning requests go to gpt-oss:20b, OpenAI's genuine open Mixture-of-Experts.
All US-origin backends, all pullable from the Ollama registry.
Native tool-calling passthrough: requests carrying a tools=[…] array are routed to the tool-calling specialist and the tool calls flow straight back.
Zero dependencies (Python stdlib only). No training. Runs over local Ollama.

Run

bash

# 1. pull the backends (all US-origin)
ollama pull llama3.1:8b && ollama pull gpt-oss:20b && ollama pull phi4 && ollama pull llava
#    plus the Opal-8B weight (see the Opal-8B-GGUF repo) imported as `opal-8b`
# 2. start the router
python opal_router.py            # serves http://localhost:11500/v1
# 3. point any OpenAI client at it
curl http://localhost:11500/v1/chat/completions -H "Content-Type: application/json" \
  -d '{"model":"opal","messages":[{"role":"user","content":"Prove sqrt(2) is irrational"}]}'
#    -> classified as reasoning -> served by gpt-oss:20b

Env: OLLAMA=http://localhost:11434, PORT=11500. Routing table: configs/routes.json (edit to change backends; a model missing from ollama list falls back to default).

Files

opal_router.py — the stdlib router/server
configs/routes.json — capability → model map + backend provenance

License

Apache-2.0.

cognis-digital/opal-router

Opal Router — one endpoint, the best US model per task

Run

Files

License

cognis-digital/
opal-router