langchain

vlangchain-perplexity==1.4.0 scope: langchain-perplexity Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 9d AI Agents & Assistants

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

agents ai ai-agents anthropic chatgpt deepagents

+11 more

enterprise gemini generative-ai langchain langgraph llm multiagent openai pydantic python typescript

Summary

AI summary

Added bind_tools and Responses‑API tool round‑trip support.

Type	Severity	Summary	CVE
Feature	Low	Adds `bind_tools` and Responses‑API tool round‑trip support Adds `bind_tools` and Responses‑API tool round‑trip support Source: llm_adapter@2026-06-10 Confidence: high	—
Dependency	Low	Updates minimum core dependency for openai integration Updates minimum core dependency for openai integration Source: llm_adapter@2026-06-10 Confidence: high	—

Full changelog

Changes since langchain-perplexity==1.3.2

release(perplexity): 1.4.0 (#37993)
feat(perplexity): bind_tools and Responses-API tool round-trip (#37934)
hotfix(openai): min core dep (#37990)

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