{"collection":{"slug":"frontier-ai-labs","name":"Frontier AI Labs"},"digest":{"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.","body":"### Claude Tag: a new model for team AI agents\n\nThe biggest story this week is Anthropic's launch of [Claude Tag](/release/rel_91d7cQ1amcLAjVTte-5Gm-anthropic-launches-claude-tag-for-slack-team-collaboration), a new product that deploys one Claude instance per Slack channel. Instead of borrowing a user's identity, Claude Tag operates under [its own scoped identity](/release/rel_IWBfDJJX45OlzRDlBMwet-anthropic-introduces-agent-identity-access-model-for-claude-tag) — a fundamental design choice that makes autonomous, multiplayer sessions safe and auditable. Teams can @Claude in any thread, and the agent picks up channel context, uses org tools, and persists across days. The agent identity model includes admin governance, token spend limits, and full audit logging. Available in beta for Claude Enterprise and Team customers, this represents Anthropic's most ambitious push into collaborative AI so far.\n\n### GPT-5.6 previews and the end of an era\n\nOpenAI began a [limited preview](/release/rel_gu1ncE_4EuQgmo8LWc8R4-openai-previews-gpt-5-6-sol-with-stronger-safeguards-and-phased-release) of the GPT-5.6 series: Sol (flagship), Terra (balanced), and Luna (fast and affordable). Sol launches with a new `max` reasoning effort and an `ultra` mode using subagents for complex work, paired with OpenAI's most robust safety stack including trained refusals, real-time misuse classifiers, and account-level review. Terra is competitive with GPT-5.5 while being 2x cheaper. Meanwhile, [GPT-4.5 was retired](/release/rel_hmQQNnYI3WqU55S0Y5Fr6-chatgpt-retires-gpt-4-5-existing-conversations-move-to-gpt-5-5) from ChatGPT on June 25, with existing conversations migrating to GPT-5.5, and [OpenAI o3](/release/rel_V_9x3GMB6kdOF1AKVyX6o-chatgpt-makes-codex-remote-ga-retires-openai-o3) will follow on August 26 after a 90-day sunset period.\n\n### Codex Remote goes GA, Claude Code sharpens\n\n[Codex Remote](/release/rel_Lc9CEYd_oF7aTJI_Jkqih-codex-remote-reaches-general-availability-with-qr-pairing-and-digitalocean) reached general availability across all ChatGPT plans, using authenticated one-to-one QR pairing between mobile devices and Mac or Windows hosts. A new [DigitalOcean Droplet Workspace plugin](/release/rel_BsoDMz666uwkUYa0zHM6W-chatgpt-business-rolls-out-codex-remote-ga-and-digitalocean-plugin) lets Codex provision a Droplet and connect it as a remote workspace. The feature is also available in [ChatGPT Business](/release/rel_BsoDMz666uwkUYa0zHM6W-chatgpt-business-rolls-out-codex-remote-ga-and-digitalocean-plugin) and [Enterprise/Edu](/release/rel__T--drEI-mowMPhJr7VT0-chatgpt-enterprise-edu-codex-remote-ga-and-digitalocean-workspaces) workspaces.\n\nOn the Claude Code side, this week brought a steady stream of improvements. [v2.1.186](/release/rel_GETIzpt7TBIQ25GkYXl4p-claude-code-v2-1-186-adds-mcp-server-cli-auth-and-auto-responds-to-bash-commands) added MCP server CLI auth (`claude mcp login`) and auto-responds to bash `!` commands. [v2.1.187](/release/rel_eONV0fyvhbHWkzQ__k7Ct-claude-code-v2-1-187-adds-sandbox-credentials-protection-and-org-model) introduced sandbox credentials protection and org model restrictions. [v2.1.191](/release/rel_Vb9aBq4VyKkaDv2wLoQqc-claude-code-v2-1-191-fixes-agent-resurrection-streaming-scroll-jumps-and-cuts) fixed agent resurrection, streaming scroll jumps, and cut CPU usage by ~37%. [v2.1.193](/release/rel_IadG6aFj-96kWwOkuPOAg-claude-code-v2-1-193-adds-otel-assistant-response-logging-and-auto-mode-shell) added OTEL assistant response logging and auto-mode shell routing, while [v2.1.195](/release/rel_k5SbuKEc42u3yrCBNcX31-claude-code-v2-1-195-fixes-voice-dictation-silence-capture-and-hyphenated-hook) fixed voice dictation silence capture and hyphenated hook matchers. Anthropic also added [Trusted Devices](/release/rel_ddOFBk9epACT2bGPaAaG6-enable-trusted-devices-for-remote-control) for remote control of Claude Code sessions.\n\n### Platform updates across the board\n\nOpenAI's ChatGPT received several upgrades: [improved dictation](/release/rel_yW0Fo9ZQmkMJxmMAxOPoi-chatgpt-improves-dictation-with-new-speech-to-text-model) with a new speech-to-text model reducing word error rate by at least 10%, [personal finance tools](/release/rel_MG7TXymO0xn6QEFi8rWSo-chatgpt-personal-finance-rolls-out-to-plus-users-and-android) rolling out to Plus and Android users, and enhanced [memory with source attribution](/release/rel_TRWxm5uVXhuetqMZd9kbv-chatgpt-business-memory-now-shows-summaries-and-sources-for-personalized) across Business, Enterprise, and Edu plans. The model picker was [simplified](/release/rel_YvBNWkfA3SqmES-r4wZgQ-chatgpt-enterprise-edu-simplifies-model-picker-with-new-naming-and-tiers) with new tiers replacing Thinking Standard/Extended/Heavy with Medium/High/Extra High. Plugin management controls arrived for [Business](/release/rel_PuiRv7Sybg8cqQ15DMdxT-chatgpt-business-adds-plugin-management-controls-for-workspace-admins) and [Enterprise/Edu](/release/rel_fYjbshcu9bfjOw87iSOYJ-chatgpt-enterprise-edu-adds-admin-controls-for-plugins) workspaces.\n\nOn the API side, [rate limits were raised](/release/rel_4PrMgV90sCr80bX2X27wi-rate-limits-raised-across-claude-api-june-26-2026) across the Claude API, with Sonnet and Haiku now matching Opus at every tier, and usage tiers consolidated into three. OpenAI's [Python SDK v2.44.0](/release/rel_mtdLuayKlW_l3AExWVXwC-openai-python-sdk-v2-44-0-fixes-authorization-header-prioritization) fixed authorization header prioritization, while the [Node SDK v6.45.0](/release/rel_pBqKhBqpmO36hyAVFNLlM-openai-node-sdk-v6-45-0-adds-aftercompletion-hook-to-runtools-and-realtime) added an `afterCompletion` hook to `runTools` and support for sideband `call_id` connections in realtime. Codex [0.142.2](/release/rel_lNJ8jEABqmA7ktsPg8rUr-codex-0-142-2-improves-mcp-tool-discovery-and-proxy-support) improved MCP tool discovery and added proxy support for macOS and [Windows](/release/rel_ruUcbvoOockzRr3OY158B-codex-cli-0-142-1-adds-opt-in-windows-system-proxy-support).","releaseIds":["rel_91d7cQ1amcLAjVTte-5Gm","rel_IWBfDJJX45OlzRDlBMwet","rel_gu1ncE_4EuQgmo8LWc8R4","rel_hmQQNnYI3WqU55S0Y5Fr6","rel_V_9x3GMB6kdOF1AKVyX6o","rel_Lc9CEYd_oF7aTJI_Jkqih","rel_BsoDMz666uwkUYa0zHM6W","rel__T--drEI-mowMPhJr7VT0","rel_GETIzpt7TBIQ25GkYXl4p","rel_eONV0fyvhbHWkzQ__k7Ct","rel_Vb9aBq4VyKkaDv2wLoQqc","rel_IadG6aFj-96kWwOkuPOAg","rel_k5SbuKEc42u3yrCBNcX31","rel_ddOFBk9epACT2bGPaAaG6","rel_yW0Fo9ZQmkMJxmMAxOPoi","rel_MG7TXymO0xn6QEFi8rWSo","rel_TRWxm5uVXhuetqMZd9kbv","rel_YvBNWkfA3SqmES-r4wZgQ","rel_PuiRv7Sybg8cqQ15DMdxT","rel_fYjbshcu9bfjOw87iSOYJ","rel_4PrMgV90sCr80bX2X27wi","rel_mtdLuayKlW_l3AExWVXwC","rel_pBqKhBqpmO36hyAVFNLlM","rel_lNJ8jEABqmA7ktsPg8rUr","rel_ruUcbvoOockzRr3OY158B"],"releaseCount":36,"generatedAt":"2026-07-11T16:26:58.041Z","releases":[{"id":"rel_91d7cQ1amcLAjVTte-5Gm","title":"Anthropic launches Claude Tag for Slack team 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