How to use from
Pi
Start the MLX server
# Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "majentik/BigBang-v1-MLX-3bit"
Configure the model in Pi
# Install Pi:
npm install -g @earendil-works/pi-coding-agent
# Add to ~/.pi/agent/models.json:
{
  "providers": {
    "mlx-lm": {
      "baseUrl": "http://localhost:8080/v1",
      "api": "openai-completions",
      "apiKey": "none",
      "models": [
        {
          "id": "majentik/BigBang-v1-MLX-3bit"
        }
      ]
    }
  }
}
Run Pi
# Start Pi in your project directory:
pi
Quick Links

BigBang-v1-MLX-3bit

MLX 3bit (affine, group size 32) quantized variant of endless-frontier/BigBang-v1 (text tower quantized; vision tower and projector retained in BF16) for Apple silicon via mlx-lm.

Provenance

  • Source: endless-frontier/BigBang-v1 @ revision fe313c9057ca2c51a07c7cf141915dc8cc3f620e (Apache-2.0 (upstream LICENSE)).
  • Quantized with mlx_lm.convert (mlx-lm 0.31.3): affine, 3-bit, group size 32.

Smoke gate

Before upload this pack passed a deterministic coherence gate: greedy 48-token chat generation loaded through mlx_lm.load, judged for emptiness, repetition loops, multi-script gibberish, and special-token debris. Verdict: ok.

Usage

pip install mlx-lm
mlx_lm.generate --model majentik/BigBang-v1-MLX-3bit --prompt "Hello"

Evaluation

Benchmark Score
arc_easy_acc 0.5400
hellaswag_acc 0.5300

License

Apache-2.0 — see the upstream LICENSE file in endless-frontier/BigBang-v1.

Available tiers

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Tensor type
U32
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BF16
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MLX
Hardware compatibility
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3-bit

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