{"slug": "openai-codex-adds-hidden-daybreak-blue-and-daybreak-red-cybersecurity-models", "title": "OpenAI Codex adds hidden \"Daybreak Blue\" and \"Daybreak Red\" cybersecurity models", "summary": "OpenAI's Codex repository commit 5bcd7b0 adds hidden 'Daybreak Blue' and 'Daybreak Red' cybersecurity model definitions, refreshing model capabilities, instructions, plan availability, and service-tier metadata. The commit also configures the auto-review model for Responses Lite and code-mode tools, updating Guardian request tests and MCP approval routing. The change spans 5 files with 474 additions and 88 deletions.", "body_md": "# Commit 5bcd7b0\n\nRefresh bundled model definitions (\n\n## What changed\n- Add the hidden Daybreak Blue and Daybreak Red model definitions.\n- Refresh model capabilities, instructions, plan availability, and service-tier metadata.\n- Configure the auto-review model for Responses Lite and code-mode tools, and update Guardian request tests for the resulting `additional_tools` and developer-message layout.\n## Testing\n- Update Guardian request snapshots and assertions for initial and follow-up reviews.\n- Verify MCP approval routing against the developer-message form of the Guardian prompt.\nGitOrigin-RevId: 6680e9abebdcbc43224a81348591e26f8422f3ec[#39770](https://github.com/openai/codex/pull/39770))\n\n```\n1 parent 39073ca commit 5bcd7b0Copy full SHA for 5bcd7b0\n```\n\n5 files changed\n\nLines changed: 474 additions & 88 deletions\n\n## File tree\n\n- codex-rs\n- core\n- src/guardian\n- snapshots\n\n- 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`472` | `+` | |\n| `473` | `+` | |\n`473` | `474` |\n| |\n`474` | `475` |\n| |\n`475` | `476` |\n| |\n|\n\n## 0 commit comments\n\nComments\n\n(0)", "url": "https://wpnews.pro/news/openai-codex-adds-hidden-daybreak-blue-and-daybreak-red-cybersecurity-models", "canonical_source": "https://github.com/openai/codex/commit/5bcd7b0fbcefb41d0caa8db1a212ad7d47cf93ab", "published_at": "2026-08-21 16:21:15+00:00", "updated_at": "2026-08-21 16:44:42.036371+00:00", "lang": "en", "topics": ["ai-products", "ai-tools", "ai-infrastructure", "ai-safety"], "entities": ["OpenAI", "Codex", "Daybreak Blue", "Daybreak Red", "Guardian", "Responses Lite"], "alternates": {"html": "https://wpnews.pro/news/openai-codex-adds-hidden-daybreak-blue-and-daybreak-red-cybersecurity-models", "markdown": "https://wpnews.pro/news/openai-codex-adds-hidden-daybreak-blue-and-daybreak-red-cybersecurity-models.md", "text": "https://wpnews.pro/news/openai-codex-adds-hidden-daybreak-blue-and-daybreak-red-cybersecurity-models.txt", "jsonld": "https://wpnews.pro/news/openai-codex-adds-hidden-daybreak-blue-and-daybreak-red-cybersecurity-models.jsonld"}}