All Content tagged with Langchain

So I am testing out the DeepSeek-R1 671B model in Amazon Bedrock. I am getting model responses which appears to be all messed up with the "tags". See examples below using LangChain and LangGraph. ```...

I am using Amazon Bedrock LLM models via LangChain, specifically with ChatBedrockConverse from the langchain_aws module. My FastAPI application calls the bedrockConverse function using the following s...

I do have AmazonBedrockFullAccess policy attached in my IAM, and still invocation returns: ``` Error 403: You don't have access to the model with the specified model ID. ``` I am totally confused. I ...

Hi, I have subscribed to access several models in Amazon Bedrock, including Anthropic ones and accesses have already been granted. However, when accessing them through langchain, it gives the followi...

What is Best for GenAI Solution to use OpenSearch or Vector stores feature in LangChain?

Not able to connect from Sagemaker Notebook to RDS( MS SQL Server Web Edition) connection using SQLDatabase from langchain_community.utilities. ``` from langchain_community.utilities import SQLDataba...

Hello, I'm using NeptuneGraph capability from langchain to connect to our Neptune cluster, seeing the following issue only with out Prod Cluster: {'message': 'Could not get schema for Neptune databas...

I am using OpenSearch VectorSearch Serverless along with Bedrock Titan for embedding generation. To optimize storage and manage vector data efficiently, I'm integrating LangChain's indexing capabiliti...

Hi I wanted to use bedrock through Langchain on gcp. How to configure my aws settings for the same..!? Thanks.

Hi, I'm currently working with AWS Bedrock with LangChain to implement guardrails for prompt injection prevention in my chatbot application. However, I've encountered an issue where the guardrails see...

I am trying to provide dimension argument while trying to fetch the Titan version 1 and version 2 embedding models, but the BedrockEmbedding class does not have the feature of dimension, It only provi...

Hi All, I've been using the following GitHub repository to create my own generative AI chatbot https://github.com/aws-samples/rag-using-langchain-amazon-bedrock-and-opensearch.git In line 49 of "l...