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      "quote": "GPT-5.3-Codex in Cursor and VS Code Starting today, GPT-5.3-Codex is available natively in Cursor and VS Code",
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      "quote": "new Set([\n  'gpt-5',\n  'gpt-5-codex',\n  'gpt-5-mini',\n  'gpt-5-nano',\n  'gpt-5-pro',\n  'gpt-5.1',\n  'gpt-5.1-codex',\n  'gpt-5.1-codex-max',\n  'gpt-5.1-codex-mini',\n  'gpt-5.2',\n  'gpt-5.2-codex',\n  'gpt-5.2-codex-cyber',\n  'gpt-5.2-pro',\n  'gpt-5.3-codex',\n  'gpt-5.3-codex-spark',\n  'gpt-5.4-mini',\n  'gpt-5.4-nano',\n]);\n\nconst SANDBOX_CONTEXT_WINDOWS_200K = new Set([\n  'codex-mini-latest',\n  'o1',\n  'o1-2024-12-17',\n  'o1-pro',\n  'o3',\n  'o3-2025-04-16',\n  'o3-mini',\n  'o3-pro',\n  'o3-deep-research',\n  'o4-mini',\n  'o4-mini-2025-04-16',\n  'o4-mini-deep-research',\n]);\n\nconst SANDBOX_CONTEXT_WINDOWS_128K = new Set([\n  'gpt-4o',\n  'gpt-4o-2024-08-06',\n  'gpt-4o-mini',\n  'gpt-4o-mini-2024-07-18',\n  'gpt-5-chat-latest',\n  'gpt-5.1-chat-latest',\n  'gpt-5.2-chat-latest',\n  'gpt-5.3-chat-latest',\n]);\n",
      "co_mentions": []
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      "quote": " \"incomplete_details\": null\n          }\n    MessagePhase:\n      type: string\n      description: |\n        Labels an `assistant` message as intermediate commentary (`commentary`) or the final answer (`final_answer`).\n        For models like `gpt-5.3-codex` and beyond, when sending follow-up requests, preserve and resend\n        phase on all assistant messages — dropping it can degrade performance. Not used for user messages.\n      enum:\n      - commentary\n      - final_answer\n    MessageRequestContentTextObject:\n      title: Text\n      type: object\n      description: The text content that is part of a message.\n      properties:\n        type:\n          description: Always `text`.\n          type: string\n          enum:\n          - text\n          x-stainless-const: true\n        text:\n          type: string\n          description: Text content to be sent to the model\n      required:\n    ",
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      "quote": "\n        phase:\n          anyOf:\n          - $ref: '#/components/schemas/MessagePhase-2'\n            description: Labels an `assistant` message as intermediate commentary (`commentary`) or the final answer (`final_answer`). For models like `gpt-5.3-codex` and beyond, when sending follow-up requests, preserve and resend phase on all assistant messages — dropping it can degrade performance. Not used for user messages.\n          - type: 'null'\n      type: object\n      required:\n      - type\n      - id\n      - status\n      - role\n      - content\n      title: Message\n      description: A message to or from the model.\n    DirectToolCallCaller:\n      properties:\n        type:\n          type: string\n          enum:\n          - direct\n          default: direct\n          x-stainless-const: true\n      type: object\n      required:\n      - type\n    ProgramToolCallCaller:\n      properties:\n     ",
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      "historical": false,
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      "source_label": "GitHub · openai/openai-agents-python · code",
      "url": "https://github.com/openai/openai-agents-python/blob/d68961657843c7d81dfc25834484f8aac2957eb3/src/agents/sandbox/capabilities/compaction.py",
      "quote": "1-codex\",\n            \"gpt-5.1-codex-max\",\n            \"gpt-5.1-codex-mini\",\n            \"gpt-5.2\",\n            \"gpt-5.2-2025-12-11\",\n            \"gpt-5.2-codex\",\n            \"gpt-5.2-pro\",\n            \"gpt-5.2-pro-2025-12-11\",\n            \"gpt-5.3-codex\",\n            \"gpt-5.4-mini\",\n            \"gpt-5.4-mini-2026-03-17\",\n            \"gpt-5.4-nano\",\n            \"gpt-5.4-nano-2026-03-17\",\n        ),\n        400_000,\n    ),\n    **_model_context_windows(\n        (\n            \"codex-mini-latest\",\n            \"o1\",\n            \"o1-2024-12-17\",\n            \"o1-pro\",\n            \"o1-pro-2025-03-19\",\n            \"o3\",\n            \"o3-2025-04-16\",\n            \"o3-deep-research\",\n            \"o3-deep-research-2025-06-26\",\n            \"o3-mini\",\n            \"o3-mini-2025-01-31\",\n            \"o3-pro\",\n            \"o3-pro-2025-06-10\",\n            \"o4-mini\",\n            \"o4-mini-2025-04-16\",\n  ",
      "co_mentions": []
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      "quote": " while requested model was {requested_model}\");\n\n        let warning_message = format!(\n            \"Your account was flagged for potentially high-risk cyber activity and this request was routed to gpt-5.2 as a fallback. To regain access to gpt-5.3-codex, apply for trusted access: {CYBER_VERIFY_URL} or learn more: {CYBER_SAFETY_URL}\"\n        );\n\n        self.send_event(\n            turn_context,\n            EventMsg::ModelReroute(ModelRerouteEvent {\n                from_model: requested_model.clone(),\n                to_model: server_model.clone(),\n                reason: ModelRerouteReason::HighRiskCyberActivity,\n            }),\n        )\n        .await;\n\n        self.send_event(\n            turn_context,\n            EventMsg::Warning(WarningEvent {\n                message: warning_message.clone(),\n            }),\n        )\n        .await;\n        true\n    }\n\n    pub(crate) async ",
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      "quote": "ty::List,\n        /*priority*/ 1_000,\n        TruncationPolicyConfig::bytes(/*limit*/ 10_000),\n    );\n    let specific = test_remote_model_with_policy(\n        \"gpt-5.3-codex\",\n        ModelVisibility::List,\n        /*priority*/ 1_000,\n        TruncationPolicyConfig::bytes(/*limit*/ 10_000),\n    );\n    let specific = ModelInfo {\n        display_name: \"GPT 5.3 Codex\".to_string(),\n        model_messages: Some(ModelMessages {\n            instructions_template: Some(\"use specific prefix\".to_st",
      "co_mentions": []
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