LangChain described building and testing WebLangChain, an open-source web research assistant powered by Tavily, in October 2023. Initial questions went directly to search. For follow-ups, an LLM generated a single query from conversation history. Tavily returned results, snippets and images. LangChain chose a fast chat experience with one lookup step and documented limitations on multipart questions. Tavily also lists LangChain among developers trusting its service.
Tavily lists its service as the default search in LangSmith Agent Builder. In May 2026, Nebius announced a Token Factory partnership with LangChain Deep Agents, complementing the existing Tavily integration. Nebius describes langchain-nebius as connecting LangChain and Deep Agents to 60+ open models with dedicated endpoints and preserved LangSmith traces. It names LangChain as the orchestration layer of the Nebius Agents Blueprint. In July, Nebius described the Blueprint pairing Deep Agents with NVIDIA Nemotron 3 Ultra on Token Factory and announced planned support for LangChain’s tuned harness profile, developed through evaluations and changes to prompts, tools and middleware without retraining the model. Tavily reported a competitive-intelligence demonstration using LangChain Fleet, Token Factory and Tavily retrieval. It also announced a Generative UI Research Canvas integration with LangChain, Tako and CopilotKit. LangChain documents Tavily Search through langchain-tavily. Fleet lists Tavily in a prebuilt Executive Assistant template. These statements describe integrations and a demonstration.
Tavily reported joint community events with LangChain in June 2026. An NYC event listed LangChain, Tavily and Athena Intelligence as co-hosts. In July, Tavily announced an August 4 session with Nebius and LangChain speakers featuring a compliance audit agent built with Deep Agents, Tavily and NVIDIA Nemotron 3 Ultra on Token Factory. Its September update named LangChain as an AI Builder Program contributor and announced joint production-agent programming for October 9. Nebius named LangChain as a program partner and provider of credits and discounts. Tavily advertised an October 9 World of Tavily event with Nebius and LangChain at SF Tech Week. Its October 14 recap identified LangChain as a partner and reported that Neil Dahlke joined Tavily’s Lee Tzanani for a fireside chat on building agents. Tavily also reported hosting a Fenway Park gathering with LangChain and thanked Brian Coons and Stephen McDonough for partnering on it.
LangChain used Tavily for web scraping and search retrieval in WebLangChain. Initial questions went directly to search. Follow-up questions became a single query based on conversation history. Tavily returned results, snippets and images.
Building (and Breaking) WebLangChain4 Oct 2023 · LangChain · Web pageLangChain used Tavily for web scraping and search retrieval in WebLangChain. Initial questions went directly to search. Follow-up questions became a single query based on conversation history. Tavily returned results, snippets and images.
LangChain
12 Oct 2026 · nebius.com · Web page
Nebius describes its LangChain partnership and the langchain-nebius package connecting LangChain and Deep Agents to Nebius Token Factory, with 60+ open models, dedicated endpoints and preserved LangSmith traces. It names LangChain as the orchestration layer of the Nebius Agents Blueprint.
LangChain12 Oct 2026 · nebius.com · Web pageNebius describes its LangChain partnership and the langchain-nebius package connecting LangChain and Deep Agents to Nebius Token Factory, with 60+ open models, dedicated endpoints and preserved LangSmith traces. It names LangChain as the orchestration layer of the Nebius Agents Blueprint.
World of Tavily: Where We Started, Where We’re Going | Tavily Blog
14 Oct 2026 · www.tavily.com · Web page
Tavily identified LangChain as a partner and reported that LangChain’s Neil Dahlke joined Tavily’s Lee Tzanani for a fireside chat on building agents at World of Tavily.
World of Tavily: Where We Started, Where We’re Going | Tavily Blog14 Oct 2026 · www.tavily.com · Web pageTavily identified LangChain as a partner and reported that LangChain’s Neil Dahlke joined Tavily’s Lee Tzanani for a fireside chat on building agents at World of Tavily.
Tavily September 2026 update
1 Oct 2026 · Tavily · Web page
Stefanie Miller names LangChain among contributors of credits and discounts to the Nebius AI Builder Program and announces an October 9 event featuring Tavily, Nebius and LangChain.
Tavily September 2026 update1 Oct 2026 · Tavily · Web pageStefanie Miller names LangChain among contributors of credits and discounts to the Nebius AI Builder Program and announces an October 9 event featuring Tavily, Nebius and LangChain.
LangChain tunes Deep Agents for NVIDIA Nemotron 3 Ultra: top open-model accuracy at 10x lower cost with Nebius Agents Blueprint
8 Jul 2026 · nebius.com · Web page
Nebius described its Agents Blueprint pairing LangChain Deep Agents orchestration with NVIDIA Nemotron 3 Ultra inference on Token Factory. It announced planned support for LangChain’s tuned Deep Agents profile, developed by adjusting prompts, tools and middleware through evaluations without retraining the model.
LangChain tunes Deep Agents for NVIDIA Nemotron 3 Ultra: top open-model accuracy at 10x lower cost with Nebius Agents Blueprint8 Jul 2026 · nebius.com · Web pageNebius described its Agents Blueprint pairing LangChain Deep Agents orchestration with NVIDIA Nemotron 3 Ultra inference on Token Factory. It announced planned support for LangChain’s tuned Deep Agents profile, developed by adjusting prompts, tools and middleware through evaluations without retraining the model.
LangChain develops software for building, testing and running AI agents. Developers and enterprise AI teams use its open-source LangChain framework to connect language models with tools and data, while LangGraph provides control over agent workflows, memory and long-running tasks. Its commercial LangSmith platform supports tracing, evaluation, deployment and production monitoring. The company also offers Deep Agents for more autonomous tasks and LangSmith Fleet for building agents through natural-language instructions. Customers include Clay, Rippling, Workday and Cisco.
Quantiphi and LangChain announce enterprise agent engineering partnership
The partnership combines LangSmith, LangGraph and Deep Agents with Quantiphi's implementation services. It focuses on governance, embedded engineering and feedback loops to help enterprises deploy agents within their own secure environments.
LangChain adds ScaleDown integration and LangSmith Gateway support
LangChain introduced ScaleDown model support for context management in long-running agents. The integration provides middleware for summarizing conversation history, compressing tool results and extracting structured data, alongside access through the LangSmith LLM Gateway.
DXC partners with LangChain for governed AI agents in enterprise IT
DXC announced a partnership using LangGraph and LangSmith to build, evaluate and monitor agents in its OASIS IT operations platform. DXC says OASIS is scaling toward 125 customer environments across regulated industries.
LangChain develops agent frameworks and LangSmith, a platform for agent observability, evaluation and deployment. · Developer tools
How they use Nebius and Tavily
LangChain described building and testing WebLangChain, an open-source web research assistant powered by Tavily, in October 2023. Initial questions went directly to search. For follow-ups, an LLM generated a single query from conversation history. Tavily returned results, snippets and images. LangChain chose a fast chat experience with one lookup step and documented limitations on multipart questions. Tavily also lists LangChain among developers trusting its service.
Tavily lists its service as the default search in LangSmith Agent Builder. In May 2026, Nebius announced a Token Factory partnership with LangChain Deep Agents, complementing the existing Tavily integration. Nebius describes langchain-nebius as connecting LangChain and Deep Agents to 60+ open models with dedicated endpoints and preserved LangSmith traces. It names LangChain as the orchestration layer of the Nebius Agents Blueprint. In July, Nebius described the Blueprint pairing Deep Agents with NVIDIA Nemotron 3 Ultra on Token Factory and announced planned support for LangChain’s tuned harness profile, developed through evaluations and changes to prompts, tools and middleware without retraining the model. Tavily reported a competitive-intelligence demonstration using LangChain Fleet, Token Factory and Tavily retrieval. It also announced a Generative UI Research Canvas integration with LangChain, Tako and CopilotKit. LangChain documents Tavily Search through langchain-tavily. Fleet lists Tavily in a prebuilt Executive Assistant template. These statements describe integrations and a demonstration.
Tavily reported joint community events with LangChain in June 2026. An NYC event listed LangChain, Tavily and Athena Intelligence as co-hosts. In July, Tavily announced an August 4 session with Nebius and LangChain speakers featuring a compliance audit agent built with Deep Agents, Tavily and NVIDIA Nemotron 3 Ultra on Token Factory. Its September update named LangChain as an AI Builder Program contributor and announced joint production-agent programming for October 9. Nebius named LangChain as a program partner and provider of credits and discounts. Tavily advertised an October 9 World of Tavily event with Nebius and LangChain at SF Tech Week. Its October 14 recap identified LangChain as a partner and reported that Neil Dahlke joined Tavily’s Lee Tzanani for a fireside chat on building agents. Tavily also reported hosting a Fenway Park gathering with LangChain and thanked Brian Coons and Stephen McDonough for partnering on it.
LangChain used Tavily for web scraping and search retrieval in WebLangChain. Initial questions went directly to search. Follow-up questions became a single query based on conversation history. Tavily returned results, snippets and images.
Building (and Breaking) WebLangChain4 Oct 2023 · LangChain · Web pageLangChain used Tavily for web scraping and search retrieval in WebLangChain. Initial questions went directly to search. Follow-up questions became a single query based on conversation history. Tavily returned results, snippets and images.
LangChain
12 Oct 2026 · nebius.com · Web page
Nebius describes its LangChain partnership and the langchain-nebius package connecting LangChain and Deep Agents to Nebius Token Factory, with 60+ open models, dedicated endpoints and preserved LangSmith traces. It names LangChain as the orchestration layer of the Nebius Agents Blueprint.
LangChain12 Oct 2026 · nebius.com · Web pageNebius describes its LangChain partnership and the langchain-nebius package connecting LangChain and Deep Agents to Nebius Token Factory, with 60+ open models, dedicated endpoints and preserved LangSmith traces. It names LangChain as the orchestration layer of the Nebius Agents Blueprint.
World of Tavily: Where We Started, Where We’re Going | Tavily Blog
14 Oct 2026 · www.tavily.com · Web page
Tavily identified LangChain as a partner and reported that LangChain’s Neil Dahlke joined Tavily’s Lee Tzanani for a fireside chat on building agents at World of Tavily.
World of Tavily: Where We Started, Where We’re Going | Tavily Blog14 Oct 2026 · www.tavily.com · Web pageTavily identified LangChain as a partner and reported that LangChain’s Neil Dahlke joined Tavily’s Lee Tzanani for a fireside chat on building agents at World of Tavily.
Tavily September 2026 update
1 Oct 2026 · Tavily · Web page
Stefanie Miller names LangChain among contributors of credits and discounts to the Nebius AI Builder Program and announces an October 9 event featuring Tavily, Nebius and LangChain.
Tavily September 2026 update1 Oct 2026 · Tavily · Web pageStefanie Miller names LangChain among contributors of credits and discounts to the Nebius AI Builder Program and announces an October 9 event featuring Tavily, Nebius and LangChain.
LangChain tunes Deep Agents for NVIDIA Nemotron 3 Ultra: top open-model accuracy at 10x lower cost with Nebius Agents Blueprint
8 Jul 2026 · nebius.com · Web page
Nebius described its Agents Blueprint pairing LangChain Deep Agents orchestration with NVIDIA Nemotron 3 Ultra inference on Token Factory. It announced planned support for LangChain’s tuned Deep Agents profile, developed by adjusting prompts, tools and middleware through evaluations without retraining the model.
LangChain tunes Deep Agents for NVIDIA Nemotron 3 Ultra: top open-model accuracy at 10x lower cost with Nebius Agents Blueprint8 Jul 2026 · nebius.com · Web pageNebius described its Agents Blueprint pairing LangChain Deep Agents orchestration with NVIDIA Nemotron 3 Ultra inference on Token Factory. It announced planned support for LangChain’s tuned Deep Agents profile, developed by adjusting prompts, tools and middleware through evaluations without retraining the model.
LangChain develops software for building, testing and running AI agents. Developers and enterprise AI teams use its open-source LangChain framework to connect language models with tools and data, while LangGraph provides control over agent workflows, memory and long-running tasks. Its commercial LangSmith platform supports tracing, evaluation, deployment and production monitoring. The company also offers Deep Agents for more autonomous tasks and LangSmith Fleet for building agents through natural-language instructions. Customers include Clay, Rippling, Workday and Cisco.
Quantiphi and LangChain announce enterprise agent engineering partnership
The partnership combines LangSmith, LangGraph and Deep Agents with Quantiphi's implementation services. It focuses on governance, embedded engineering and feedback loops to help enterprises deploy agents within their own secure environments.
LangChain adds ScaleDown integration and LangSmith Gateway support
LangChain introduced ScaleDown model support for context management in long-running agents. The integration provides middleware for summarizing conversation history, compressing tool results and extracting structured data, alongside access through the LangSmith LLM Gateway.
DXC partners with LangChain for governed AI agents in enterprise IT
DXC announced a partnership using LangGraph and LangSmith to build, evaluate and monitor agents in its OASIS IT operations platform. DXC says OASIS is scaling toward 125 customer environments across regulated industries.
