Registry / ai-ml / langchain-upstage

langchain-upstage

library0.7.7pypypi✓ verified 84d ago

An integration package connecting Upstage (including Solar LLM, OCR, and layout analysis) with LangChain. Current version 0.7.7, requires Python >=3.10. Released under the langchain-ai organization with a cadence that follows LangChain integration updates.

ai-ml

pip install langchain-upstage

github ↗homepage ↗

INSTALL

IMPORT

SIG · LANGCHAIN-UPSTAGE

langchain-upstage

ai-mlpythonv0.7.7

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

ChatUpstage

✓ from langchain_upstage import ChatUpstage

✗ from langchain_upstage.chat_models import ChatUpstage

In early versions, the import might have been from chat_models submodule. Current recommended import is from top-level package.

UpstageLayoutAnalysis

✓ from langchain_upstage import UpstageLayoutAnalysis

✗ from langchain_upstage.layout_analysis import UpstageLayoutAnalysis

Similarly, layout analysis is exposed at the package root.

Initialize ChatUpstage with an API key set as environment variable and invoke a simple message.

import os from langchain_upstage import ChatUpstage os.environ['UPSTAGE_API_KEY'] = '' llm = ChatUpstage() response = llm.invoke("Hello, how are you?") print(response.content)

Debug

Known issues

breakingRequires Python >=3.10. Using older Python versions will fail on install.

fix

Upgrade Python to 3.10 or newer.

affects: 0.7.x

gotchaThe Upstage API key must be set via the UPSTAGE_API_KEY environment variable. Passing as a parameter to ChatUpstage(api_key=...) is not supported in some versions.

fix

Set environment variable: export UPSTAGE_API_KEY='your_key'

affects: 0.x

deprecatedThe ChatUpstage model parameter 'model' may be deprecated in favor of 'model_name'. Always check the latest docs.

fix

Use model_name='solar-1-mini-chat' or the appropriate model string.

affects: >=0.6.0

Errors

Common errors & fixes

ModuleNotFoundError: No module named 'upstage'

Missing the core Upstage SDK package.

fix

Run: pip install upstage

ImportError: cannot import name 'ChatUpstage' from 'langchain_upstage'

Incorrect import path or outdated package version.

fix

Use correct import: from langchain_upstage import ChatUpstage. Also update to latest version: pip install -U langchain-upstage

Upgrade

Version history

0.7.7latest on PyPI · released Mar 5, 2026

Audit

Dependencies

langchain-corerequiredCore dependency for LangChain integrations.

upstagerequiredOfficial Upstage Python SDK.

Agent activity

13 hits · last 30 days

node

Resources

githubhttps://github.com/langchain-ai/langchain-upstage ↗

homepagehttps://github.com/langchain-ai/langchain-upstage ↗