Anthropic Preparing Claude Opus 4.7 and Full-Stack AI Studio

Anthropic is reportedly preparing Claude Opus 4.7 for release this week, alongside a full-stack app creation platform and unified Claude Code interface. The model is optimized for multi-step reasoning, autonomous long-running tasks, and multi-agent coordination. Leaked via The Information on April 14.

Claude Opus 4.7 Expected to Launch This Week

Anthropic is preparing to release Claude Opus 4.7, its next flagship model optimized for multi-step reasoning and multi-agent coordination. Expected alongside a full-stack app creation platform and a unified Claude Code interface. Polymarket odds favor a launch by April 18-19.

Claude Mythos: 93.9% SWE-bench, Found Zero-Days in Every Major OS

Anthropic confirmed Claude Mythos, scoring 93.9% on SWE-bench Verified and 97.6% on USAMO. The model autonomously discovered zero-day vulnerabilities in every major OS and browser during testing, including a 27-year-old OpenBSD bug. Access restricted to 50 organizations under Project Glasswing.

OpenAI Splits Codex into Basic and Advanced Tiers

OpenAI restructured Codex with separate Basic and Advanced tiers, adding app preview, scratchpad, a Pull Requests section, and inline comments on previewed UI. The split gives power users deeper integration while keeping the entry point accessible.

Microsoft's markitdown Converts Any Doc to LLM-Ready Markdown

Microsoft open-sourced markitdown, converting PDFs, DOCX, PPTX, HTML and other formats into clean Markdown suitable for LLM context windows. Gained 3,600+ stars in its first week. Solves a pain point every RAG pipeline developer has hit.

Google ADK Becomes the Most Complete Multi-Agent Framework

Google's Agent Development Kit (adk-python) hit 8,200+ stars and emerged as the most fully-featured multi-agent framework this month. Meanwhile Block's Goose takes a different approach: local-first with native MCP support for tool integration.

Gemma 4 Goes Viral — Developers Test Google's Best Open Model on Claude Code

Gemma 4's Apache 2.0 release sparked a wave of testing across the developer community. Medium posts and Reddit threads show it scoring competitively on code tasks when used with Claude Code. The 31B model's 256K context and zero licensing cost are driving rapid adoption.

Claude Code Epitaxy — Anthropic's Desktop Overhaul Leaked

Anthropic is building a major Claude Code desktop overhaul codenamed Epitaxy, featuring Coordinator Mode for parallel sub-agents, plan/task/diff panels, multi-repo support, and code preview. The power-user UI suggests Claude Code is evolving from a CLI into a full IDE.

OpenAI Scales GPT-5.4-Cyber to Highest-Tier API Customers

OpenAI began rolling out GPT-5.4-Cyber, a defensive cybersecurity model, to top-tier API customers. The release comes days after Anthropic's Mythos disclosure and signals a cybersecurity arms race between the two labs.

Anthropic Valued at $800B — Revenue Surpasses OpenAI

Anthropic has received VC offers at valuations up to $800B, more than doubling its $380B February valuation. With annualized revenue at $30B vs OpenAI's $25B, it's the first time Anthropic leads on revenue. Over 1,000 enterprises spend $1M+/year on Claude.