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OpenAI Launches ChatGPT App Store While Meta’s SAM 3 Models Spark Developer Interest

AI Models & Research

xAI’s Grok Voice Agent Leads in Speech-to-Speech Reasoning with 92.3% Benchmark Score
xAI launched the Grok Voice Agent API, outperforming competitors like Gemini 2.5 Flash and GPT Realtime with a 92.3% score on Big Bench Audio. The API supports 100+ languages, tool-calling, and Tesla integration, priced at $0.05/min—half the cost of OpenAI’s Realtime API. It’s optimized for telephony via SIP providers like Twilio and Vonage.

Apple’s SHARP Model Generates 3D Gaussians from Single Images in Seconds
Apple released SHARP, a model that creates photorealistic 3D Gaussian representations from a single image in seconds. Optimized for CUDA GPUs, it leverages advanced rendering techniques and is open-sourced on GitHub with a research paper.

MiraTTS: High-Quality, 100x Real-Time Multilingual TTS Model
MiraTTS is a fast, memory-efficient text-to-speech model generating 48kHz speech at 100x real-time speed. It supports multilingual/multispeaker use cases, has low latency, and is available on GitHub and Hugging Face.

Meta Hosts AMA for SAM 3, SAM 3D, and SAM Audio Models
Meta researchers behind SAM 3, SAM 3D, and SAM Audio are hosting a Reddit AMA to discuss advancements in segmentation models. Users can test the models in the Segment Anything Playground.

AI Platforms & Developer Tools

OpenAI Launches ChatGPT App Directory and SDK for Developers
OpenAI introduced the ChatGPT App Directory, allowing developers to submit and list apps within ChatGPT. The platform now supports native apps (e.g., Spotify, DoorDash, Apple Music) and rebranded "connectors" as interactive apps. Monetization options like digital goods are also being explored.

Maestro: Open-Source App for Autonomous AI Coding Agents
Maestro is a cross-platform desktop app for managing AI coding agents autonomously. Features include ReAct agent support, mobile monitoring, Auto Run for continuous execution, and Playbooks for task organization. The tool is free and open-source.

Hardware & Industry News

Nvidia Plans GPU Supply Cuts in Early 2026
Nvidia will reduce GPU supply in early 2026, potentially impacting consumer pricing and availability for gaming, AI, and ML applications. The move may lead to higher costs and limited stock across tech markets.