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GPT-5 Now Available in LangSmith Playground with Cost Tracking
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🔥GPT-5 is now in LangSmith Playground w/ built-in cost tracking.
— LangChain (@LangChain) 8 août 2025
Available models:
• gpt-5
• gpt-5-mini (now default)
• gpt-5-nano
Start building with the latest models → https://t.co/fRKTx58e2V pic.twitter.com/jdFtoJvOpRGPT-5 is now in LangSmith Playground w/ built-in cost tracking.
Available models:
• gpt-5
• gpt-5-mini (now default)
• gpt-5-nano Start building with the latest models → http://
smith.langchain.com/playground -
LangChain Enables Citable Search Results with Claude Models
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LangChain supports Claude Opus 4.1 and Sonnet 4’s citable search results — now GA on the Anthropic API and Vertex AI. With this update, you can: • Return search results with built-in titles and source links • Automatically link citations to the tool call that generated them
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GPT-5 Release: Overview and Testing Results from LangChain
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Test Driving GPT-5 OpenAI just released GPT5, their latest set of frontier models. In this short video, we give an overview of the models + share some results from our own testing. https://
youtu.be/9hfg3GKhyXo -
Introducing Align Evals: New Evaluation Framework for LLMs
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Get started by reading our blog post: https://
blog.langchain.com/introducing-al
ign-evals/
…
Or, watch a video on how it works: -
LangSmith Align Evals for Consistent Reliable Evaluation Scores
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Want more consistent, reliable evaluation scores? Last week we launched Align Evals in LangSmith — helping you craft better prompts to reduce inconsistencies, and build more reliable evals More details in the reply below
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LangChain Introduces Open SWE: Open-Source Asynchronous Coding Agent
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Try out Open SWE: http://
swe.langchain.com Watch the announcement video: https://
youtu.be/TaYVvXbOs8c Or read the announcement blog: https://
blog.langchain.com/introducing-op
en-swe-an-open-source-asynchronous-coding-agent/
… See the GitHub repo: http://
github.com/langchain-ai/o
pen-swe
… Read the docs: http://
docs.langchain.com/labs/swe -
Open SWE: Autonomous Cloud-Based Coding Agent for GitHub
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Introducing Open SWE: An Open-Source Asynchronous Coding Agent Open SWE is a fully autonomous, cloud-based coding agent that acts like a true teammate. Integrate it with your GitHub account, and put it to work fixing bugs or implementing features. Try it out the demo today
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Trace Claude Code Sessions to LangSmith Integration
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You can now trace your claude code sessions to LangSmith! See how to set up tracing from claude code to LangSmith in just a few minutes: https://
youtu.be/w_xp06VT6aU Check out the docs for setup instructions: -
LangGraph Platform Achieves SOC 2 Type II Compliance
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LangGraph Platform joins LangSmith in achieving SOC 2 Type II compliance After a rigorous independent audit, we've demonstrated SOC 2 Type II compliance for both LangGraph Platform and LangSmith — aligning with industry best practices for protecting customer data and ensuring