Model Releases
What's new in LangChain? 🚀 🔌 Support for OpenAI's 3.0 SDK (using httpx2) ✨ Support for gemini-3.7-flash Plus a wave of core reliability fi…
What's new in LangChain? 🚀 🔌 Support for OpenAI's 3.0 SDK (using httpx2) ✨ Support for gemini-3.7-flash Plus a wave of core reliability fixes from external contributors: 🛠️ Tool calling & structured o
What's new in LangChain? 🚀 🔌 Support for OpenAI's 3.0 SDK (using httpx2) ✨ Support for gemini-3.7-flash Plus a wave of core reliability fixes from external contributors: 🛠️ Tool calling & structured output: clearer errors, respect for pydantic aliases when validating tool inputs (http://github.com/RinZ27, http://github.com/kinch-tech, http://github.com/charan16) 📊 Usage metadata fixes: token usage callback bugs, and cost metadata when streaming OpenRouter (http://github.com/Solaris-star, http://github.com/iroiro147) 🧱 Content & prompt hardening: guard malformed Anthropic content blocks, and preserve non-str/non-dict items in prompt templates for content blocks (http://github.com/Oxygen56, http://github.com/zerafachris) Huge thanks to everyone who contributed! 🙏
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- we recently trimmed the deepagents harness base prompt by 65% (including tool info) it shows — deepagents is cheap!
Source: Harrison Chase (X) | 2026-08-14