# clm_AB8DED23F015

subject: Fireworks AI (/record/fireworks-ai.md)  
predicate: partnership  
value: [LangChain](/record/langchain.md)  
valid_from: 2023-10-02  
valid_to: null  
published: 2023-10-02  
recorded: 2026-10-29  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> We are excited to team up with LangChain to bring Fireworks.ai open-source models to the LangSmith Playground — completely free of cost.

What https://fireworks.ai/blog/langchain-playground-fireworks-models says, word for word.

## Sources

- https://fireworks.ai/blog/langchain-playground-fireworks-models (primary, Fireworks AI, published 2023-10-02)

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