{"slug": "ai-agents-weekly-claude-sonnet-5-grok-voice-agent-builder-longcat-2-0-hosted-x", "title": "🤖 AI Agents Weekly: Claude Sonnet 5, Grok Voice Agent Builder, LongCat-2.0, Hosted X MCP, Cursor for iOS, Claude Science, and More", "summary": "Anthropic released Claude Sonnet 5, its most agentic model yet, capable of autonomous planning and tool use at near-Opus performance with lower pricing. xAI launched a no-code Voice Agent Builder for creating human-like voice agents at $0.05 per minute. Other major releases include Meituan's open-source LongCat-2.0, X's hosted MCP server, Cursor's always-on iOS agents, and Claude Science beta.", "body_md": "# 🤖 AI Agents Weekly: Claude Sonnet 5, Grok Voice Agent Builder, LongCat-2.0, Hosted X MCP, Cursor for iOS, Claude Science, and More\n\n### Claude Sonnet 5, Grok Voice Agent Builder, LongCat-2.0, Hosted X MCP, Cursor for iOS, Claude Science, and More\n\nIn today’s issue:\n\nAnthropic ships agentic Claude Sonnet 5\n\nxAI launches no-code Voice Agent Builder\n\nMeituan open-sources 1.6T LongCat-2.0\n\nX ships a hosted MCP server\n\nCursor launches always-on iOS agents\n\nClaude Science app enters beta\n\nAnthropic brings Fable 5 back\n\nZ.ai ships ZCode for GLM-5.2\n\nGoogle drops Nano Banana 2 Lite\n\nVercel adds voice agents to AI Gateway\n\nWebKit ships a Safari MCP server\n\nGoogle introduces TabFM for tables\n\nBridgewater fine-tunes an expert-judgment model\n\nOpenAI releases GeneBench-Pro\n\nNVIDIA splits a 30B diffusion model\n\nClaude Code steganography sparks debate\n\nMicrosoft launches its $2.5B Frontier Company\n\nAutoMem makes memory a trainable skill\n\nClawArena benchmarks subagent orchestration\n\nQwen 3.6 wins local development\n\nAnd all the top AI dev news, papers, and tools.\n\n## Top Stories\n\n### Anthropic Launches Claude Sonnet 5\n\nAnthropic released Claude Sonnet 5, its most agentic Sonnet yet, built to plan, use tools, and run autonomously at a level that recently required larger, more expensive models.\n\n**Agentic core:** Sonnet 5 makes plans, drives browsers and terminals, and completes complex tasks where previous Sonnets stopped short, checking its own output without being asked.**Near-Opus at lower cost:** Anthropic says performance is close to Opus 4.8 on reasoning, tool use, coding, and knowledge work, at a lower price point.**Broad availability:** Now the default on Free and Pro and available to Max, Team, and Enterprise, live across all Claude apps and the Claude Platform.**Intro pricing:** Ships with introductory pricing through August, aimed at high-volume agentic workloads.\n\n### xAI Launches Grok Voice Agent Builder\n\nxAI introduced Voice Agent Builder, a no-code platform for creating human-like voice agents powered by Grok Voice.\n\n**No-code creation:** Build production voice agents without writing code, configuring behavior and voice through the builder.**Grok Voice:** Agents run on Grok Voice for low-latency, natural-sounding speech aimed at real-time conversational use cases.**Usage pricing:** Available today at 0.05 dollars per minute, positioning it for customer support, sales, and other high-volume voice workflows.**Ecosystem play:** Extends xAI’s push into agentic products alongside its hosted X MCP and Grok API tooling.", "url": "https://wpnews.pro/news/ai-agents-weekly-claude-sonnet-5-grok-voice-agent-builder-longcat-2-0-hosted-x", "canonical_source": "https://nlp.elvissaravia.com/p/ai-agents-weekly-claude-sonnet-5", "published_at": "2026-07-04 13:57:22+00:00", "updated_at": "2026-07-04 14:25:09.876498+00:00", "lang": "en", "topics": ["ai-agents", "large-language-models", "generative-ai", "ai-products", "ai-tools"], "entities": ["Anthropic", "Claude Sonnet 5", "xAI", "Grok Voice Agent Builder", "Meituan", "LongCat-2.0", "Cursor", "Claude Science"], "alternates": {"html": "https://wpnews.pro/news/ai-agents-weekly-claude-sonnet-5-grok-voice-agent-builder-longcat-2-0-hosted-x", "markdown": "https://wpnews.pro/news/ai-agents-weekly-claude-sonnet-5-grok-voice-agent-builder-longcat-2-0-hosted-x.md", "text": "https://wpnews.pro/news/ai-agents-weekly-claude-sonnet-5-grok-voice-agent-builder-longcat-2-0-hosted-x.txt", "jsonld": "https://wpnews.pro/news/ai-agents-weekly-claude-sonnet-5-grok-voice-agent-builder-longcat-2-0-hosted-x.jsonld"}}