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# multillm-anthropic
Anthropic provider for [multillm](../multillm).
## Installation
```bash
pip install multillm-anthropic
```
## Usage
```python
import asyncio
import multillm
async def main():
client = multillm.Client()
# Simple query
answer = await client.single("anthropic/claude-sonnet-4-20250514", "Hello!")
print(answer)
# Chat completion
response = await client.chat_complete("anthropic/claude-sonnet-4-20250514", [
{"role": "user", "content": "What is Python?"}
])
print(response.text)
# Streaming
async for chunk in client.chat_complete_stream("anthropic/claude-sonnet-4-20250514", messages):
print(chunk, end="")
asyncio.run(main())
```
## Configuration
Choose one of the following methods (priority: direct config > env var > config file):
**Option 1: Config file** (recommended)
Create `~/.config/multillm/providers/anthropic.json`:
```json
{
"api_key": "sk-ant-..."
}
```
Set permissions:
```bash
chmod 600 ~/.config/multillm/providers/anthropic.json
```
**Option 2: Environment variable**
```bash
export ANTHROPIC_API_KEY=sk-ant-...
```
**Option 3: Direct config**
```python
client = multillm.Client({
"anthropic": {"api_key": "sk-ant-..."}
})
```
### Config File Fields
| Field | Required | Description |
|-------|----------|-------------|
| `api_key` | Yes | Your Anthropic API key |
## Models
Use Anthropic model names after the provider prefix:
- `anthropic/claude-sonnet-4-20250514`
- `anthropic/claude-opus-4-20250514`
- `anthropic/claude-3-5-haiku-20241022`
|
