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Introduces READER, a lightweight framework for dynamic black-box LLM provenance that uses a frozen proxy LLM to extract authorship evidence from responses and performs Bayesian evidence accumulation across multiple queries, achieving high accuracy on the Agent500 dataset.
OpenAI announced new tools and features for the Responses API, including support for remote Model Context Protocol (MCP) servers, image generation, Code Interpreter, and improved file search capabilities. The update also enables o3 and o4-mini models to call tools directly within their chain-of-thought, with new enterprise features like background mode and encrypted reasoning items.
CopilotKit is a best-in-class SDK for building full-stack agentic applications with generative UI, shared state, and human-in-the-loop workflows, adopted by major companies like Google, LangChain, and AWS.