How to use from
Pi
Start the llama.cpp server
# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama serve -hf Myric/granite-3.1-1b-a400m-instruct-APEX
Configure the model in Pi
# Install Pi:
npm install -g @mariozechner/pi-coding-agent
# Add to ~/.pi/agent/models.json:
{
  "providers": {
    "llama-cpp": {
      "baseUrl": "http://localhost:8080/v1",
      "api": "openai-completions",
      "apiKey": "none",
      "models": [
        {
          "id": "Myric/granite-3.1-1b-a400m-instruct-APEX"
        }
      ]
    }
  }
}
Run Pi
# Start Pi in your project directory:
pi
Quick Links

granite-3.1-1b-a400m-instruct โ€” APEX quants

Measured per-tensor bit allocation (APEX). Curated: only sizes that clear the quality bar (PPL โ‰ค 1.5ร— fp) are published โ€” we hold back quants that would misrepresent the line, rather than ship everything.

size wikitext PPL vs fp tool calls
fp (BF16) 8.71 1.00ร— โ€”
quality 9.78 1.12ร— 5/5
compact 12.33 1.42ร— 5/5

Held (below quality bar, not shipped): subcompact.

See also

Attribution & licenses

Unofficial community quantization; not affiliated with or endorsed by the base model's publisher.

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Model size
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