Model IDs
| Model | ID | Provider |
|---|---|---|
| Opus 4.5 | claude-opus-4-5-20251101 | Anthropic |
| Opus 4.5 - High | claude-opus-4-5-20251101-high | Anthropic |
| Sonnet 4.5 | claude-sonnet-4-5-20250929 | Anthropic |
| Haiku 4.5 | claude-haiku-4-5-20251001 | Anthropic |
| GPT-5.1 | gpt-5.1 | OpenAI |
| GPT-5.1 - High | gpt-5.1-high | OpenAI |
| Gemini 3 Pro | gemini-3-pro-preview |
Reasoning levels
| Level | Models |
|---|---|
| Standard | Sonnet 4.5, Haiku 4.5, Gemini 3 Pro |
| Medium | Opus 4.5, GPT-5.1 |
| High | Opus 4.5 - High, GPT-5.1 - High |
What’s next
- Learn when to use each model: Choosing an AI Model
- Explore keyboard shortcuts: Keyboard Shortcuts
- Read the full glossary: Glossary