{"collection":{"slug":"frontier-ai-labs","name":"Frontier AI Labs"},"digests":[{"id":"cwd_BloZaJXu_DwzTh-EJZyj8","weekStart":"2026-07-13","title":"Permission hardening and mode control across the agent toolchain","intro":"Anthropic's Claude Code shipped three major security-focused releases this week, closing a permission bypass in PowerShell and fixing worktree isolation for subagents, while OpenAI's ChatGPT desktop app unified its Chat, Work, and Codex modes. The Claude Platform also introduced mid-conversation system messages for three flagship models.","releaseCount":27,"generatedAt":"2026-07-20T06:16:29.929Z"},{"id":"cwd_aeTqnaugD5rocrCTtcSmo","weekStart":"2026-06-29","title":"Sonnet 5 and Claude Code reshape the frontier","intro":"Anthropic launched Claude Sonnet 5 with near-Opus performance at a fraction of the cost, while Claude Code — the new autonomous engineering assistant — delivered a landmark government security audit and shipped major stability improvements.","releaseCount":29,"generatedAt":"2026-07-11T17:29:36.779Z"},{"id":"cwd_UJ1litEF5qkQYbKN98GjJ","weekStart":"2026-06-22","title":"Claude Tag brings collaborative AI agents to Slack as GPT-5.6 previews","intro":"Anthropic launched Claude Tag, a team-oriented AI agent for Slack, while OpenAI began previewing GPT-5.6 Sol and Codex Remote reached general availability across all plans.","releaseCount":36,"generatedAt":"2026-07-11T16:26:58.041Z"},{"id":"cwd_yfOhfYfE00Ff4NDlpX59L","weekStart":"2026-06-15","title":"Health intelligence, agent safety, and enterprise controls","intro":"GPT-5.5 Instant brought frontier health evaluations to all free ChatGPT users with a 71% reduction in factuality issues, while Claude Code hardened agent safety with destructive command blocking and Anthropic launched enterprise-managed MCP auth. OpenAI also shipped credit usage analytics for Enterprise admins and granular spend controls.","releaseCount":33,"generatedAt":"2026-07-11T16:46:11.869Z"},{"id":"cwd_y1BcxLH9NSecyUQcaFX3h","weekStart":"2026-06-08","title":"Fable 5 debuts, then vanishes — and tool transparency deepens","intro":"Anthropic launched Claude Fable 5 and Mythos 5 with 1M token context, then had access suspended by a US government export directive by week's end. Across both Anthropic and OpenAI, tooling gained sharper controls: Claude Code sub-agents can now spawn sub-agents, web search tools expose response-inclusion parameters, and ChatGPT added rate-limit reset banking.","releaseCount":55,"generatedAt":"2026-07-11T16:38:51.571Z"},{"id":"cwd_s0pzLFms3T8I0Cp468HpO","weekStart":"2026-06-01","title":"Codex expands beyond coding while Claude and OpenAI harden security and cost controls","intro":"OpenAI rolled out role-specific Codex plugins, interactive Sites, and enterprise admin controls for ChatGPT, while Anthropic stopped billing for Claude refusals without output and added a max_tokens parameter to the advisor tool. Both platforms shipped significant security hardening across Claude Code, ChatGPT Lockdown Mode, and the Claude API.","releaseCount":58,"generatedAt":"2026-07-11T16:28:17.502Z"},{"id":"cwd_oRD28LEjoqLigJN3Hj8vU","weekStart":"2026-05-25","title":"Anthropic launches Opus 4.8 as Claude Code gains dynamic workflows","intro":"Anthropic launched Claude Opus 4.8 with a 1M token context window, while Claude Code introduced dynamic workflows for multi-agent orchestration. OpenAI shipped GPT-5.5 Instant improvements, Codex computer use on Windows, and new ChatGPT app templates for GitHub Enterprise.","releaseCount":44,"generatedAt":"2026-07-11T16:46:41.263Z"},{"id":"cwd_8j5D8bGfqmK1b5U2qXenM","weekStart":"2026-05-18","title":"Codex ships goal mode, appshots, and remote computer use","intro":"Codex exited goal mode from experimental and launched appshots for macOS, while Claude Code fixed a series of sandbox permission escapes and added a Workflow tool for multi-agent orchestration. Anthropic also opened MCP tunnels as a research preview.","releaseCount":22,"generatedAt":"2026-07-11T16:43:52.320Z"},{"id":"cwd_LZ8H-x7VoKkd6ms-e9h9-","weekStart":"2026-05-11","title":"Codex goes mobile as AI coding agents get remote control","intro":"OpenAI brought Codex to the ChatGPT mobile app, letting developers monitor and approve coding tasks from their phone, while Anthropic shipped agent view and goal-completion mode in Claude Code and expanded Opus 4.7 fast mode across the platform.","releaseCount":30,"generatedAt":"2026-07-11T16:47:30.883Z"}],"pagination":{"nextCursor":null,"limit":50}}