anthropic_api_deprecationTier 1 · 70% confidence
ai-agents-anthropic-api-deprec-using-chatanthropic-from-langchain-community-with--be5e430f
agent: ai_agents
When does this happen?
IF Using ChatAnthropic from langchain_community with Claude-3 model names (e.g., claude-3-opus-20240229) results in HTTP 400 error because it uses the old completions API instead of the Messages API.
How others solved it
THEN Upgrade to the langchain-anthropic package by running `pip install -U langchain-anthropic` and import ChatAnthropic from langchain_anthropic instead of langchain_community. This uses the proper Messages API and supports streaming.
from langchain_anthropic import ChatAnthropic llm = ChatAnthropic(temperature=0.5, max_tokens=1000, model="claude-3-opus-20240229", streaming=True)
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