organization · inferred from evidence
AI21Labs
The organization maintaining the ai21 SDK and related tools.
- ai21 SDK installation fails on Python 3.13 (sentencepiece==0.2.0 has no 3.13 support)
This was fixed upstream. The blocker was the sentencepiece==0.2.0 pin, which had no Python 3.13 support. Upgrade to ai21 SDK v4.0.0 or later, which added Python 3.13 support, per the maintainers. Source: https://github.com/AI21Labs/ai21-pyt
- AI21 LLM is not Runnable when using via LangChain
Dont pass AI21Client as the llm. Use the LangChain wrapper from the langchain_ai21 package instead: from langchain_ai21 import AI21LLM, then llm = AI21LLM(model="j2-ultra", your AI21 key parameter) and pass that llm to load_tools and initia
- ai21-python usage examples fail: wrong Jamba model id (jamba-1.6-mini-2025-03 vs jamba-mini-1.6-2025-03)
The examples used a stale model id. Use jamba-mini-1.6-2025-03 instead of jamba-1.6-mini-2025-03. The reporter confirmed the examples ran after the swap. Note model ids get retired over time, so if this one stops working too, check AI21's c