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chore: import upstream snapshot with attribution
2026-07-13 13:27:52 +08:00

1.8 KiB

Cerebras

Install

To use CerebrasModel, you need to either install pydantic-ai, or install pydantic-ai-slim with the cerebras optional group:

pip/uv-add "pydantic-ai-slim[cerebras]"

Configuration

To use Cerebras through their API, go to cloud.cerebras.ai and generate an API key.

For a list of available models, see the Cerebras models documentation.

Environment variable

Once you have the API key, you can set it as an environment variable:

export CEREBRAS_API_KEY='your-api-key'

You can then use CerebrasModel by name:

from pydantic_ai import Agent

agent = Agent('cerebras:llama-3.3-70b')
...

Or initialise the model directly with just the model name:

from pydantic_ai import Agent
from pydantic_ai.models.cerebras import CerebrasModel

model = CerebrasModel('llama-3.3-70b')
agent = Agent(model)
...

provider argument

You can provide a custom Provider via the provider argument:

from pydantic_ai import Agent
from pydantic_ai.models.cerebras import CerebrasModel
from pydantic_ai.providers.cerebras import CerebrasProvider

model = CerebrasModel(
    'llama-3.3-70b', provider=CerebrasProvider(api_key='your-api-key')
)
agent = Agent(model)
...

You can also customize the CerebrasProvider with a custom httpx.AsyncClient:

from httpx import AsyncClient

from pydantic_ai import Agent
from pydantic_ai.models.cerebras import CerebrasModel
from pydantic_ai.providers.cerebras import CerebrasProvider

custom_http_client = AsyncClient(timeout=30)
model = CerebrasModel(
    'llama-3.3-70b',
    provider=CerebrasProvider(api_key='your-api-key', http_client=custom_http_client),
)
agent = Agent(model)
...