LangChain-Mistralai v1.1.6 adds citation metadata support
LangChain released version 1.1.6 of its langchain-mistralai integration, adding support for surfacing citation metadata from Mistral AI chat responses. The update also includes refreshed model profiles and dependency bumps for vcrpy and langsmith.
Entities
Related
LangChain releases v1.3.13 and langchain-openai v1.3.5 with explicit prompt caching
LangChain released versions 1.3.13 and langchain-openai 1.3.5, adding explicit prompt caching support for OpenAI models. This allows developers to mark reusable prompt prefixes for reduced latency and cost. The update also includes a new 'meta' extra for langchain-meta integration and refreshed model profiles.
LangChain-OpenRouter releases v0.2.6 with custom HTTP header support
LangChain-OpenRouter v0.2.6 is released on 2026-07-05, adding support for `default_headers` for custom HTTP header injection and refreshing model profile data. The update is a minor version bump from 0.2.5.
LangChain Fireworks partner package v1.4.4 released with cached prompt token reporting
LangChain released version 1.4.4 of the langchain-fireworks partner package on July 9, 2026. The update adds reporting of cached prompt token usage and includes dependency bumps and documentation clarifications.
LangChain releases v1.3.12 with interrupt propagation and shell middleware fix
LangChain released version 1.3.12, fixing interrupt propagation through ToolRetryMiddleware and avoiding shared process-group kill in shell middleware. The companion langchain-openai v1.3.4 suppresses Pydantic serializer warnings on structured output parsed fields.
LangChain vs. LangGraph vs. LlamaIndex: The 2026 Guide Nobody Needed to Write
A guide argues that choosing between LangChain, LangGraph, and LlamaIndex is the wrong question, highlighting how teams often end up with multiple frameworks coexisting in their codebase. The post reflects common fragmentation in AI architecture decisions.