Sequence-to-sequence, or Seq2Seq, describes models that map an input sequence to an output sequence whose length may differ. Machine translation converts words in one language into another, speech recognition maps audio frames to text, and summarization produces a shorter sequence from a longer document. Many Seq2Seq systems use an encoder to represent the input and a decoder to generate output step by step, often with attention between them. Transformer encoder–decoder architectures largely replaced earlier recurrent designs. Training typically uses paired examples and token-level loss, while inference relies on greedy, beam, or sampling-based decoding. Quality depends on alignment, context limits, data coverage, and evaluation beyond surface overlap.
OpenAI has added Codex support to the ChatGPT mobile app, allowing users to manage coding agents and long-running development tasks from iOS and Android devices.
OpenAI has renewed calls for an international AI oversight body modeled after the IAEA ahead of the Trump-Xi summit in Beijing. The proposal would place the U.S. at the center of global AI governance while including China in cross-border safety coordination.
Security researchers used Anthropic’s Claude Mythos Preview to help identify vulnerabilities and develop a macOS privilege escalation exploit targeting Apple’s M5 silicon.
Mistral AI is developing a cybersecurity-focused AI model for European banks as institutions seek alternatives to restricted U.S. systems like Anthropic’s Mythos.
Notion has introduced a developer platform that expands its AI agent capabilities with workflow orchestration, external integrations, and custom code execution.
Anthropic has introduced Agent View for Claude Code, allowing developers to manage multiple AI coding agents from a single interface. The update also adds a continuous execution mode that lets Claude work uninterrupted until a task is completed.
The U.S. approved several Chinese companies to buy Nvidia’s H200 AI chips, but deliveries remain stalled amid political pressure and security concerns in both Washington and Beijing.
Microsoft is exploring acquisitions of AI startups including Inception as it builds internal AI capabilities beyond OpenAI. The move reflects growing competition for top AI talent and Microsoft’s effort to develop advanced models independently.
Anthropic has launched Claude for Small Business, a package of AI workflows and software connectors designed to automate finance, operations, marketing, and customer service tasks for small businesses. The platform integrates directly with tools including QuickBooks, PayPal, HubSpot, Canva, and Microsoft 365.
Nvidia has partnered with AI startup Ineffable Intelligence to develop large-scale reinforcement learning systems aimed at superintelligence research. The company was founded in late 2025 by former Google DeepMind researcher David Silver.