[ PROMPT_NODE_22919 ]
Prompt Engineering Instructor – Providers
[ SKILL_DOCUMENTATION ]
# Provider Configuration
Guide to using Instructor with different LLM providers.
## Anthropic Claude
```python
import instructor
from anthropic import Anthropic
# Basic setup
client = instructor.from_anthropic(Anthropic())
# With API key
client = instructor.from_anthropic(
Anthropic(api_key="your-api-key")
)
# Recommended mode
client = instructor.from_anthropic(
Anthropic(),
mode=instructor.Mode.ANTHROPIC_TOOLS
)
# Usage
result = client.messages.create(
model="claude-sonnet-4-5-20250929",
max_tokens=1024,
messages=[{"role": "user", "content": "..."}],
response_model=YourModel
)
```
## OpenAI
```python
from openai import OpenAI
client = instructor.from_openai(OpenAI())
result = client.chat.completions.create(
model="gpt-4o-mini",
response_model=YourModel,
messages=[{"role": "user", "content": "..."}]
)
```
## Local Models (Ollama)
```python
client = instructor.from_openai(
OpenAI(
base_url="http://localhost:11434/v1",
api_key="ollama"
),
mode=instructor.Mode.JSON
)
result = client.chat.completions.create(
model="llama3.1",
response_model=YourModel,
messages=[...]
)
```
## Modes
- `Mode.ANTHROPIC_TOOLS`: Recommended for Claude
- `Mode.TOOLS`: OpenAI function calling
- `Mode.JSON`: Fallback for unsupported providers