FireworksAI

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Fireworks AI provides fast hosted inference for open-source language models.

OpenAI compatibility

This integration works through the SDK’s built-in OpenAI provider pointed at Fireworks AI’s OpenAI-compatible endpoint; there is no separate integration. Compatible endpoints can have quirks that deviate from the exact OpenAI API spec, so some features may behave differently than they do against OpenAI itself.

Installation

The OpenAI provider is an optional dependency. To install, run:

Python

pip install 'strands-agents[openai]'

TypeScript

npm install @strands-agents/sdk openai

Usage

Create an API key, export it as FIREWORKS_API_KEY, and point the provider at Fireworks AI’s endpoint:

Python

import os

from strands import Agent
from strands.models.openai import OpenAIModel

model = OpenAIModel(
    client_args={
        "api_key": os.environ["FIREWORKS_API_KEY"],
        "base_url": "https://api.fireworks.ai/inference/v1",
    },
    model_id="accounts/fireworks/models/deepseek-v3p1-terminus",
)

agent = Agent(model=model)
response = agent("Explain tool calling in one sentence.")
print(response)

TypeScript

import { Agent } from '@strands-agents/sdk'
import { OpenAIModel } from '@strands-agents/sdk/models/openai'

const model = new OpenAIModel({
  api: 'chat',
  apiKey: process.env.FIREWORKS_API_KEY,
  clientConfig: {
    baseURL: 'https://api.fireworks.ai/inference/v1',
  },
  modelId: 'accounts/fireworks/models/deepseek-v3p1-terminus',
})

const agent = new Agent({ model })
const response = await agent.invoke('Explain tool calling in one sentence.')
console.log(response)

Configuration

Two client settings connect the provider to Fireworks AI:

• API key: from your account settings
• Base URL: https://api.fireworks.ai/inference/v1

Model IDs come from the Fireworks AI model library and carry the accounts/fireworks/models/ prefix. For model parameters and other provider options, see the OpenAI provider guide.

References

• Fireworks AI OpenAI compatibility guide
• Fireworks AI model library
• OpenAI provider