🐦 Twitter Post Details

Viewing enriched Twitter post

@AnthropicAI

We’re releasing Bloom, an open-source tool for generating behavioral misalignment evals for frontier AI models. Bloom lets researchers specify a behavior and then quantify its frequency and severity across automatically generated scenarios. Learn more: https://t.co/TwKstpLSy3

Media 1

📊 Media Metadata

{
  "media": [
    {
      "type": "photo",
      "url": "https://crmoxkoizveukayfjuyo.supabase.co/storage/v1/object/public/media/posts/2002424909524619581/media_0.jpg?",
      "filename": "media_0.jpg"
    }
  ],
  "processed_at": "2025-12-20T18:16:16.335817",
  "pipeline_version": "2.0"
}

🔧 Raw API Response

{
  "type": "tweet",
  "id": "2002424909524619581",
  "url": "https://x.com/AnthropicAI/status/2002424909524619581",
  "twitterUrl": "https://twitter.com/AnthropicAI/status/2002424909524619581",
  "text": "We’re releasing Bloom, an open-source tool for generating behavioral misalignment evals for frontier AI models.\n\nBloom lets researchers specify a behavior and then quantify its frequency and severity across automatically generated scenarios.\n\nLearn more: https://t.co/TwKstpLSy3",
  "source": "Twitter for iPhone",
  "retweetCount": 67,
  "replyCount": 31,
  "likeCount": 569,
  "quoteCount": 18,
  "viewCount": 25412,
  "createdAt": "Sat Dec 20 17:04:36 +0000 2025",
  "lang": "en",
  "bookmarkCount": 217,
  "isReply": false,
  "inReplyToId": null,
  "conversationId": "2002424909524619581",
  "displayTextRange": [
    0,
    278
  ],
  "inReplyToUserId": null,
  "inReplyToUsername": null,
  "author": {
    "type": "user",
    "userName": "AnthropicAI",
    "url": "https://x.com/AnthropicAI",
    "twitterUrl": "https://twitter.com/AnthropicAI",
    "id": "1353836358901501952",
    "name": "Anthropic",
    "isVerified": false,
    "isBlueVerified": true,
    "verifiedType": null,
    "profilePicture": "https://pbs.twimg.com/profile_images/1798110641414443008/XP8gyBaY_normal.jpg",
    "coverPicture": "https://pbs.twimg.com/profile_banners/1353836358901501952/1719228429",
    "description": "We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.",
    "location": "",
    "followers": 716590,
    "following": 35,
    "status": "",
    "canDm": false,
    "canMediaTag": true,
    "createdAt": "Mon Jan 25 22:45:28 +0000 2021",
    "entities": {
      "description": {
        "urls": [
          {
            "display_url": "claude.ai",
            "expanded_url": "https://claude.ai",
            "url": "https://t.co/FhDI3KQh0n",
            "indices": [
              141,
              164
            ]
          }
        ]
      },
      "url": {
        "urls": [
          {
            "display_url": "anthropic.com",
            "expanded_url": "https://anthropic.com",
            "url": "https://t.co/w94SABjAXZ",
            "indices": [
              0,
              23
            ]
          }
        ]
      }
    },
    "fastFollowersCount": 0,
    "favouritesCount": 1480,
    "hasCustomTimelines": false,
    "isTranslator": false,
    "mediaCount": 535,
    "statusesCount": 1300,
    "withheldInCountries": [],
    "affiliatesHighlightedLabel": {},
    "possiblySensitive": false,
    "pinnedTweetIds": [
      "2001686747185394148"
    ],
    "profile_bio": {
      "description": "We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n."
    },
    "isAutomated": false,
    "automatedBy": null
  },
  "extendedEntities": {},
  "card": {
    "binding_values": [
      {
        "key": "photo_image_full_size_large",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 419,
            "width": 800,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=800x419"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "thumbnail_image",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 147,
            "width": 280,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=280x150"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "description",
        "value": {
          "string_value": "Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.",
          "type": "STRING"
        }
      },
      {
        "key": "domain",
        "value": {
          "string_value": "www.anthropic.com",
          "type": "STRING"
        }
      },
      {
        "key": "thumbnail_image_large",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 316,
            "width": 600,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=600x600"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "summary_photo_image_small",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 202,
            "width": 386,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=386x202"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "thumbnail_image_original",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 1000,
            "width": 1900,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=orig"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "site",
        "value": {
          "scribe_key": "publisher_id",
          "type": "USER",
          "user_value": {
            "id_str": "1353836358901501952",
            "path": []
          }
        }
      },
      {
        "key": "photo_image_full_size_small",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 202,
            "width": 386,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=386x202"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "summary_photo_image_large",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 419,
            "width": 800,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=800x419"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "thumbnail_image_small",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 76,
            "width": 144,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=144x144"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "creator",
        "value": {
          "type": "USER",
          "user_value": {
            "id_str": "1353836358901501952",
            "path": []
          }
        }
      },
      {
        "key": "thumbnail_image_x_large",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 1000,
            "width": 1900,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=png&name=2048x2048_2_exp"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "photo_image_full_size_original",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 1000,
            "width": 1900,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=orig"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "photo_image_full_size_alt_text",
        "value": {
          "string_value": "Desk lamp illuminating documents and paper on work surface with writing materials",
          "type": "STRING"
        }
      },
      {
        "key": "vanity_url",
        "value": {
          "scribe_key": "vanity_url",
          "string_value": "anthropic.com",
          "type": "STRING"
        }
      },
      {
        "key": "photo_image_full_size",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 314,
            "width": 600,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=600x314"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "summary_photo_image_alt_text",
        "value": {
          "string_value": "Desk lamp illuminating documents and paper on work surface with writing materials",
          "type": "STRING"
        }
      },
      {
        "key": "thumbnail_image_color",
        "value": {
          "image_color_value": {
            "palette": [
              {
                "rgb": {
                  "blue": 218,
                  "green": 202,
                  "red": 203
                },
                "percentage": 96.99
              },
              {
                "rgb": {
                  "blue": 76,
                  "green": 73,
                  "red": 73
                },
                "percentage": 2.19
              }
            ]
          },
          "type": "IMAGE_COLOR"
        }
      },
      {
        "key": "title",
        "value": {
          "string_value": "Introducing Bloom: an open source tool for automated behavioral evaluations",
          "type": "STRING"
        }
      },
      {
        "key": "summary_photo_image_color",
        "value": {
          "image_color_value": {
            "palette": [
              {
                "rgb": {
                  "blue": 218,
                  "green": 202,
                  "red": 203
                },
                "percentage": 96.99
              },
              {
                "rgb": {
                  "blue": 76,
                  "green": 73,
                  "red": 73
                },
                "percentage": 2.19
              }
            ]
          },
          "type": "IMAGE_COLOR"
        }
      },
      {
        "key": "summary_photo_image_x_large",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 1000,
            "width": 1900,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=png&name=2048x2048_2_exp"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "summary_photo_image",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 314,
            "width": 600,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=600x314"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "photo_image_full_size_color",
        "value": {
          "image_color_value": {
            "palette": [
              {
                "rgb": {
                  "blue": 218,
                  "green": 202,
                  "red": 203
                },
                "percentage": 96.99
              },
              {
                "rgb": {
                  "blue": 76,
                  "green": 73,
                  "red": 73
                },
                "percentage": 2.19
              }
            ]
          },
          "type": "IMAGE_COLOR"
        }
      },
      {
        "key": "photo_image_full_size_x_large",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 1000,
            "width": 1900,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=png&name=2048x2048_2_exp"
          },
          "type": "IMAGE"
        }
      },
      {
        "key": "card_url",
        "value": {
          "scribe_key": "card_url",
          "string_value": "https://t.co/TwKstpLSy3",
          "type": "STRING"
        }
      },
      {
        "key": "summary_photo_image_original",
        "value": {
          "image_value": {
            "alt": "Desk lamp illuminating documents and paper on work surface with writing materials",
            "height": 1000,
            "width": 1900,
            "url": "https://pbs.twimg.com/card_img/2002424001164095488/OEEKIWkC?format=jpg&name=orig"
          },
          "type": "IMAGE"
        }
      }
    ],
    "card_platform": {
      "platform": {
        "audience": {
          "name": "production"
        },
        "device": {
          "name": "Android",
          "version": "12"
        }
      }
    },
    "name": "summary_large_image",
    "url": "https://t.co/TwKstpLSy3",
    "user_refs_results": [
      {
        "result": {
          "__typename": "User",
          "id": "VXNlcjoxMzUzODM2MzU4OTAxNTAxOTUy",
          "rest_id": "1353836358901501952",
          "affiliates_highlighted_label": {},
          "avatar": {
            "image_url": "https://pbs.twimg.com/profile_images/1798110641414443008/XP8gyBaY_normal.jpg"
          },
          "core": {
            "created_at": "Mon Jan 25 22:45:28 +0000 2021",
            "name": "Anthropic",
            "screen_name": "AnthropicAI"
          },
          "dm_permissions": {
            "can_dm": false
          },
          "follow_request_sent": false,
          "has_graduated_access": true,
          "is_blue_verified": true,
          "legacy": {
            "default_profile": true,
            "default_profile_image": false,
            "description": "We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.",
            "entities": {
              "description": {
                "urls": [
                  {
                    "display_url": "claude.ai",
                    "expanded_url": "https://claude.ai",
                    "url": "https://t.co/FhDI3KQh0n",
                    "indices": [
                      141,
                      164
                    ]
                  }
                ]
              },
              "url": {
                "urls": [
                  {
                    "display_url": "anthropic.com",
                    "expanded_url": "https://anthropic.com",
                    "url": "https://t.co/w94SABjAXZ",
                    "indices": [
                      0,
                      23
                    ]
                  }
                ]
              }
            },
            "fast_followers_count": 0,
            "favourites_count": 1480,
            "followers_count": 716590,
            "friends_count": 35,
            "has_custom_timelines": false,
            "is_translator": false,
            "listed_count": 8125,
            "media_count": 535,
            "normal_followers_count": 716590,
            "pinned_tweet_ids_str": [
              "2001686747185394148"
            ],
            "possibly_sensitive": false,
            "profile_banner_url": "https://pbs.twimg.com/profile_banners/1353836358901501952/1719228429",
            "profile_interstitial_type": "",
            "statuses_count": 1300,
            "translator_type": "none",
            "url": "https://t.co/w94SABjAXZ",
            "want_retweets": false,
            "withheld_in_countries": []
          },
          "location": {
            "location": ""
          },
          "media_permissions": {
            "can_media_tag": true
          },
          "parody_commentary_fan_label": "None",
          "profile_image_shape": "Square",
          "profile_bio": {
            "description": "We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n."
          },
          "privacy": {
            "protected": false
          },
          "relationship_perspectives": {
            "following": false
          },
          "tipjar_settings": {},
          "verification": {
            "verified": false,
            "verified_type": "Business"
          },
          "profile_description_language": "en"
        }
      },
      {
        "result": {
          "__typename": "User",
          "id": "VXNlcjoxMzUzODM2MzU4OTAxNTAxOTUy",
          "rest_id": "1353836358901501952",
          "affiliates_highlighted_label": {},
          "avatar": {
            "image_url": "https://pbs.twimg.com/profile_images/1798110641414443008/XP8gyBaY_normal.jpg"
          },
          "core": {
            "created_at": "Mon Jan 25 22:45:28 +0000 2021",
            "name": "Anthropic",
            "screen_name": "AnthropicAI"
          },
          "dm_permissions": {
            "can_dm": false
          },
          "follow_request_sent": false,
          "has_graduated_access": true,
          "is_blue_verified": true,
          "legacy": {
            "default_profile": true,
            "default_profile_image": false,
            "description": "We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.",
            "entities": {
              "description": {
                "urls": [
                  {
                    "display_url": "claude.ai",
                    "expanded_url": "https://claude.ai",
                    "url": "https://t.co/FhDI3KQh0n",
                    "indices": [
                      141,
                      164
                    ]
                  }
                ]
              },
              "url": {
                "urls": [
                  {
                    "display_url": "anthropic.com",
                    "expanded_url": "https://anthropic.com",
                    "url": "https://t.co/w94SABjAXZ",
                    "indices": [
                      0,
                      23
                    ]
                  }
                ]
              }
            },
            "fast_followers_count": 0,
            "favourites_count": 1480,
            "followers_count": 716590,
            "friends_count": 35,
            "has_custom_timelines": false,
            "is_translator": false,
            "listed_count": 8125,
            "media_count": 535,
            "normal_followers_count": 716590,
            "pinned_tweet_ids_str": [
              "2001686747185394148"
            ],
            "possibly_sensitive": false,
            "profile_banner_url": "https://pbs.twimg.com/profile_banners/1353836358901501952/1719228429",
            "profile_interstitial_type": "",
            "statuses_count": 1300,
            "translator_type": "none",
            "url": "https://t.co/w94SABjAXZ",
            "want_retweets": false,
            "withheld_in_countries": []
          },
          "location": {
            "location": ""
          },
          "media_permissions": {
            "can_media_tag": true
          },
          "parody_commentary_fan_label": "None",
          "profile_image_shape": "Square",
          "profile_bio": {
            "description": "We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n."
          },
          "privacy": {
            "protected": false
          },
          "relationship_perspectives": {
            "following": false
          },
          "tipjar_settings": {},
          "verification": {
            "verified": false,
            "verified_type": "Business"
          },
          "profile_description_language": "en"
        }
      }
    ]
  },
  "place": {},
  "entities": {
    "hashtags": [],
    "symbols": [],
    "timestamps": [],
    "urls": [
      {
        "display_url": "anthropic.com/research/bloom",
        "expanded_url": "https://www.anthropic.com/research/bloom",
        "url": "https://t.co/TwKstpLSy3",
        "indices": [
          255,
          278
        ]
      }
    ],
    "user_mentions": []
  },
  "quoted_tweet": null,
  "retweeted_tweet": null,
  "article": null
}