{
  "type": "tweet",
  "id": "1960779750752051529",
  "url": "https://x.com/realJessyLin/status/1960779750752051529",
  "twitterUrl": "https://twitter.com/realJessyLin/status/1960779750752051529",
  "text": "🔍 How do we teach an LLM to 𝘮𝘢𝘴𝘵𝘦𝘳 a body of knowledge?\n\nIn new work with @AIatMeta, we propose Active Reading 📙: a way for models to teach themselves new things by self-studying their training data. Results:\n\n* 𝟔𝟔% on SimpleQA w/ an 8B model by studying the wikipedia docs (+𝟑𝟏𝟑% vs plain finetuning)\n* a domain-specific expert model: 𝟏𝟔𝟎% vs FT on FinanceBench knowledge\n* an 8B wikipedia expert competitive w/ 405B on factuality (💥open-sourced!)\n\n🧵[1/n]",
  "source": "Twitter for iPhone",
  "retweetCount": 98,
  "replyCount": 11,
  "likeCount": 750,
  "quoteCount": 7,
  "viewCount": 84286,
  "createdAt": "Wed Aug 27 19:01:36 +0000 2025",
  "lang": "en",
  "bookmarkCount": 880,
  "isReply": false,
  "inReplyToId": null,
  "conversationId": "1960779750752051529",
  "displayTextRange": [
    0,
    269
  ],
  "inReplyToUserId": null,
  "inReplyToUsername": null,
  "author": {
    "type": "user",
    "userName": "realJessyLin",
    "url": "https://x.com/realJessyLin",
    "twitterUrl": "https://twitter.com/realJessyLin",
    "id": "1250628810",
    "name": "Jessy Lin",
    "isVerified": false,
    "isBlueVerified": false,
    "verifiedType": null,
    "profilePicture": "https://pbs.twimg.com/profile_images/1665063733092290560/oa5lO47g_normal.jpg",
    "coverPicture": "",
    "description": "",
    "location": "",
    "followers": 2540,
    "following": 876,
    "status": "",
    "canDm": true,
    "canMediaTag": true,
    "createdAt": "Fri Mar 08 03:40:38 +0000 2013",
    "entities": {
      "description": {
        "urls": []
      },
      "url": {}
    },
    "fastFollowersCount": 0,
    "favouritesCount": 710,
    "hasCustomTimelines": true,
    "isTranslator": false,
    "mediaCount": 42,
    "statusesCount": 312,
    "withheldInCountries": [],
    "affiliatesHighlightedLabel": {},
    "possiblySensitive": false,
    "pinnedTweetIds": [
      "1914377193440067742"
    ],
    "profile_bio": {
      "description": "PhD @Berkeley_AI, visiting researcher @AIatMeta. Interactive language agents 🤖 💬",
      "entities": {
        "description": {
          "user_mentions": [
            {
              "id_str": "0",
              "indices": [
                4,
                16
              ],
              "name": "",
              "screen_name": "Berkeley_AI"
            },
            {
              "id_str": "0",
              "indices": [
                38,
                47
              ],
              "name": "",
              "screen_name": "AIatMeta"
            }
          ]
        },
        "url": {
          "urls": [
            {
              "display_url": "jessylin.com",
              "expanded_url": "http://jessylin.com",
              "indices": [
                0,
                23
              ],
              "url": "https://t.co/6XrQPR4JfG"
            }
          ]
        }
      }
    },
    "isAutomated": false,
    "automatedBy": null
  },
  "extendedEntities": {
    "media": [
      {
        "allow_download_status": {
          "allow_download": true
        },
        "display_url": "pic.twitter.com/z5f3qfWXbd",
        "expanded_url": "https://twitter.com/realJessyLin/status/1960779750752051529/photo/1",
        "ext_media_availability": {
          "status": "Available"
        },
        "features": {
          "large": {},
          "orig": {}
        },
        "id_str": "1960779662185099264",
        "indices": [
          270,
          293
        ],
        "media_key": "3_1960779662185099264",
        "media_results": {
          "id": "QXBpTWVkaWFSZXN1bHRzOgwAAQoAARs2FrbPWnAACgACGzYWy25a4UkAAA==",
          "result": {
            "__typename": "ApiMedia",
            "id": "QXBpTWVkaWE6DAABCgABGzYWts9acAAKAAIbNhbLblrhSQAA",
            "media_key": "3_1960779662185099264"
          }
        },
        "media_url_https": "https://pbs.twimg.com/media/GzYWts9acAAeyQA.jpg",
        "original_info": {
          "focus_rects": [
            {
              "h": 532,
              "w": 950,
              "x": 0,
              "y": 0
            },
            {
              "h": 532,
              "w": 532,
              "x": 0,
              "y": 0
            },
            {
              "h": 532,
              "w": 467,
              "x": 0,
              "y": 0
            },
            {
              "h": 532,
              "w": 266,
              "x": 6,
              "y": 0
            },
            {
              "h": 532,
              "w": 1114,
              "x": 0,
              "y": 0
            }
          ],
          "height": 532,
          "width": 1114
        },
        "sizes": {
          "large": {
            "h": 532,
            "w": 1114
          }
        },
        "type": "photo",
        "url": "https://t.co/z5f3qfWXbd"
      }
    ]
  },
  "card": null,
  "place": {},
  "entities": {
    "user_mentions": [
      {
        "id_str": "1034844617261248512",
        "indices": [
          74,
          83
        ],
        "name": "AI at Meta",
        "screen_name": "AIatMeta"
      }
    ]
  },
  "quoted_tweet": null,
  "retweeted_tweet": null,
  "isLimitedReply": false,
  "article": null
}