AI Providers
Choose between Anthropic and OpenAI
Radar supports Anthropic (default) and OpenAI as AI backends. Set AI_PROVIDER to switch between them.
Anthropic (default)
No extra configuration needed — set ANTHROPIC_API_KEY and go.
ANTHROPIC_API_KEY=sk-ant-...| Model role | Default |
|---|---|
| Analysis | claude-sonnet-4-6 |
| Synthesis | claude-opus-4-6 |
OpenAI
AI_PROVIDER=openai
OPENAI_API_KEY=sk-...| Model role | Default |
|---|---|
| Analysis | gpt-4o-mini |
| Synthesis | gpt-4o |
Custom models
Override the defaults with AI_MODEL_ANALYSIS and AI_MODEL_SYNTHESIS:
AI_PROVIDER=openai
OPENAI_API_KEY=sk-...
AI_MODEL_ANALYSIS=gpt-4o
AI_MODEL_SYNTHESIS=gpt-4oThis also works with Anthropic:
AI_MODEL_ANALYSIS=claude-haiku-4-5-20251001
AI_MODEL_SYNTHESIS=claude-sonnet-4-6