Cognition's DeepWiki, a free encyclopedia of all GitHub repos

**Silas Alberti** of **Cognition** announced **DeepWiki**, a free encyclopedia of all GitHub repos providing Wikipedia-like descriptions and Devin-backed chatbots for public repos. **Meta** released **Perception Encoders (PE)** with A2.0 license, outperforming **InternVL3** and **Qwen2.5VL** on vision tasks. **Alibaba** launched the **Qwen Chat App** for iOS and Android. **Hugging Face** integrated the **Dia 1.6B SoTA** text-to-speech model via **FAL**. **OpenAI** expanded deep research usage with a lightweight version powered by **o4-mini** model, now available to free users. **Perplexity AI** updated their model selector with **Grok 3 Beta**, **o4-mini**, and support for models like **gemini 2.5 pro**, **claude 3.7**, and **gpt-4.1**. **vLLM** project introduced **OpenRLHF** framework for reinforcement learning with human feedback. **Surya OCR** alpha model supports 90+ languages and LaTeX. **MegaParse** open-source library was introduced for LLM-ready data formats.