Instructions to use mlx-community/chartreader-0.8B-OptiQ-4bit with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use mlx-community/chartreader-0.8B-OptiQ-4bit with MLX:

# Make sure mlx-vlm is installed
# pip install --upgrade mlx-vlm

from mlx_vlm import load, generate
from mlx_vlm.prompt_utils import apply_chat_template
from mlx_vlm.utils import load_config

# Load the model
model, processor = load("mlx-community/chartreader-0.8B-OptiQ-4bit")
config = load_config("mlx-community/chartreader-0.8B-OptiQ-4bit")

# Prepare input
image = ["http://images.cocodataset.org/val2017/000000039769.jpg"]
prompt = "Describe this image."

# Apply chat template
formatted_prompt = apply_chat_template(
    processor, config, prompt, num_images=1
)

# Generate output
output = generate(model, processor, formatted_prompt, image)
print(output)

Notebooks
Google Colab
Kaggle
Local Apps Settings
LM Studio

How to use mlx-community/chartreader-0.8B-OptiQ-4bit with Pi:

Start the MLX server

# Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "mlx-community/chartreader-0.8B-OptiQ-4bit"

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": "mlx-community/chartreader-0.8B-OptiQ-4bit"
        }
      ]
    }
  }
}

Run Pi

# Start Pi in your project directory:
pi

Hermes Agent

How to use mlx-community/chartreader-0.8B-OptiQ-4bit with Hermes Agent:

Start the MLX server

# Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "mlx-community/chartreader-0.8B-OptiQ-4bit"

Configure Hermes

# Install Hermes:
curl -fsSL https://hermes-agent.nousresearch.com/install.sh | bash
hermes setup
# Point Hermes at the local server:
hermes config set model.provider custom
hermes config set model.base_url http://127.0.0.1:8080/v1
hermes config set model.default mlx-community/chartreader-0.8B-OptiQ-4bit

Run Hermes

hermes

Atomic Chat

OpenClaw

How to use mlx-community/chartreader-0.8B-OptiQ-4bit with OpenClaw:

Start the MLX server

# Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "mlx-community/chartreader-0.8B-OptiQ-4bit"

Configure OpenClaw

# Install OpenClaw:
npm install -g openclaw@latest
# Register the local server and set it as the default model:
openclaw onboard --non-interactive --mode local \
  --auth-choice custom-api-key \
  --custom-base-url http://127.0.0.1:8080/v1 \
  --custom-model-id "mlx-community/chartreader-0.8B-OptiQ-4bit" \
  --custom-provider-id mlx-lm \
  --custom-compatibility openai \
  --custom-text-input \
  --accept-risk \
  --skip-health

Run OpenClaw

openclaw agent --local --agent main --message "Hello from Hugging Face"

codelion commited on Jul 11

Commit

88748b8

verified ·

1 Parent(s): a57fb4a

Move OptiQ sidecars under optiq/ so *.safetensors loaders (mlx-vlm, LM Studio) skip them

Browse files

Files changed (3) hide show

config.json +5 -2
mtp.safetensors → optiq/mtp.safetensors +0 -0
optiq_vision.safetensors → optiq/optiq_vision.safetensors +0 -0

config.json CHANGED Viewed

@@ -1583,7 +1583,7 @@
   "video_token_id": 248057,
   "vision_end_token_id": 248054,
   "vision_start_token_id": 248053,
-  "mtp_file": "mtp.safetensors",
   "mtp_tensor_count": 29,
   "mtp_policy": "optiq-int4-prequantized-gs64",
   "mtplx_mtp_quantization": {
@@ -1611,9 +1611,12 @@
     "temporal_patch_size": 2
   },
   "optiq_vision": {
-    "sidecar": "optiq_vision.safetensors",
     "dtype": "bfloat16",
     "n_tensors": 153,
     "base_model": "mlx-community/Qwen3.5-0.8B-bf16"
   }
 }

   "video_token_id": 248057,
   "vision_end_token_id": 248054,
   "vision_start_token_id": 248053,
+  "mtp_file": "optiq/mtp.safetensors",
   "mtp_tensor_count": 29,
   "mtp_policy": "optiq-int4-prequantized-gs64",
   "mtplx_mtp_quantization": {
     "temporal_patch_size": 2
   },
   "optiq_vision": {
+    "sidecar": "optiq/optiq_vision.safetensors",
     "dtype": "bfloat16",
     "n_tensors": 153,
     "base_model": "mlx-community/Qwen3.5-0.8B-bf16"
+  },
+  "mlx_lm_extra_tensors": {
+    "mtp_file": "optiq/mtp.safetensors"
   }
 }

mtp.safetensors → optiq/mtp.safetensors RENAMED Viewed

File without changes

optiq_vision.safetensors → optiq/optiq_vision.safetensors RENAMED Viewed

File without changes