langchain-wavespeed
LangChain integration for WaveSpeed AI — run state-of-the-art image and video generation models from your LangChain agents and chains.
Installation
pip install -U langchain-wavespeed
Set your API key (get one at wavespeed.ai):
export WAVESPEED_API_KEY="your-api-key"
Tools
WaveSpeedImageGeneration
Generate images from text prompts (defaults to bytedance/seedream-v5.0-pro):
from langchain_wavespeed import WaveSpeedImageGeneration
tool = WaveSpeedImageGeneration()
url = tool.invoke({"prompt": "A red panda drinking boba tea, studio lighting"})
print(url) # https://.../output.png
WaveSpeedVideoGeneration
Generate videos from text prompts (defaults to bytedance/seedance-2.5/text-to-video):
from langchain_wavespeed import WaveSpeedVideoGeneration
tool = WaveSpeedVideoGeneration()
url = tool.invoke({"prompt": "A drone shot over a glacier at sunrise", "duration": 5})
WaveSpeedRunModel
Run any model on the WaveSpeed platform by id (browse the catalog at wavespeed.ai/models):
from langchain_wavespeed import WaveSpeedRunModel
tool = WaveSpeedRunModel()
url = tool.invoke({
"model": "wavespeed-ai/z-image/turbo",
"input": {"prompt": "A lighthouse at dusk"},
})
Use with an agent
from langchain.agents import create_agent
from langchain_wavespeed import WaveSpeedImageGeneration, WaveSpeedVideoGeneration
agent = create_agent(
"openai:gpt-5",
tools=[WaveSpeedImageGeneration(), WaveSpeedVideoGeneration()],
)
result = agent.invoke(
{"messages": [{"role": "user", "content": "Make me a picture of a corgi surfing."}]}
)
Configuration
All tools accept:
| Parameter | Default | Description |
|---|---|---|
api_key |
WAVESPEED_API_KEY env var |
WaveSpeed API key |
model |
tool-specific | Model id to run (image/video tools) |
timeout |
None |
Max seconds to wait for a prediction |
poll_interval |
1.0 |
Seconds between result polls |
Async is supported out of the box via await tool.ainvoke(...).
License
MIT
1 maintainer
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