Isaac 0.2 2B (Preview) - Perceptron Docs

Specs

Model ID: isaac-0.2-2b-preview
Inputs: Text, Images
Outputs: Text
Context: 8K tokens
Reasoning: Yes
Pricing: $0.15/M input, $1.25/M output
Supported MIME types: image/png, image/jpeg, image/webp
Source: Open weights on Hugging Face

Trigger thinking & grounding

Isaac 0.2 uses <hint>...</hint> values inside a system-role message. Combine multiple hints in one tag, space-separated.

{
  "model": "isaac-0.2-2b-preview",
  "messages": [
    { "role": "system", "content": "<hint>BOX THINK</hint>" },
    { "role": "user", "content": [...] }
  ]
}

Supported hints: BOX, POINT, POLYGON, THINK, FOCUS. See the API reference for full examples.

Benchmarks

Isaac 0.x benchmark comparison