{"source":"polymarket","id":"578305","ticker":"next-mythos-class-model-released-by","slug":"next-mythos-class-model-released-by","title":"Next Mythos-Class Model released by…?","description":"On June 9, 2026, Anthropic released the Mythos-class model Claude Fable 5.\n\nThis market will resolve to \"Yes\" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to \"No.\"\n\nAny model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.\n\nFor this market to resolve to \"Yes,\" the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.\n\nIf a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.\n\nThe primary resolution source for this market will be official information from Anthropic; however,  a consensus of credible reporting will also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/claude-4pt7-released-by-LSHFPBEUsncm.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/claude-4pt7-released-by-LSHFPBEUsncm.png","active":true,"closed":false,"start_date":"2026-06-10T15:28:13.902559Z","end_date":"2026-09-30T00:00:00Z","closed_time":null,"volume":1346.248755,"volume_24hr":1346.248755,"volume_24h_change":null,"normalized_vol_24hr":15.273240089416504,"normalized_volume":11.339424133300781,"liquidity":4168.5243,"open_interest":677.3049550000001,"categories":["Science and Technology"],"tags":[{"id":"104801","slug":"mythos","label":"Claude Mythos"},{"id":"103303","slug":"claude","label":"Claude"},{"id":"439","slug":"ai","label":"AI"},{"id":"105183","slug":"anthropic-ipo","label":"Anthropic IPO"},{"id":"1401","slug":"tech","label":"Tech"},{"id":"553","slug":"anthropic","label":"anthropic"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"September 30","top_outcome_probability":0.665,"top_outcome_prob_24h_change":0.16500000000000004,"top_outcome_volume_24h_change":410.450483,"updated_at":"2026-06-11T10:43:30.860076Z","fetched_at":"2026-06-11T10:43:30.860076Z","added_at":"2026-06-10T15:17:21.241529Z","url":"https://polymarket.com/event/next-mythos-class-model-released-by","chart_24h":[0.0,1.0204,2.084216,203.104216,272.194216,272.194216,272.194216,272.194216,472.194216,492.194216,492.194216,492.194216,494.274216,494.274216,533.424216,607.444216,607.444216,607.444216,627.444216,966.8742159999999,1007.8742159999999,1007.8742159999999,1159.740772,1273.360772,1273.360772,1273.360772,1322.811255],"markets":[{"source":"polymarket","id":"2487206","event_id":"578305","slug":"next-mythos-class-model-released-by-september-30-2026","question":"Next Mythos-Class Model released by September 30, 2026?","group_item_title":"September 30","description":"On June 9, 2026, Anthropic released the Mythos-class model Claude Fable 5.\n\nThis market will resolve to \"Yes\" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to \"No.\"\n\nAny model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.\n\nFor this market to resolve to \"Yes,\" the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.\n\nIf a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.\n\nThe primary resolution source for this market will be official information from Anthropic; however,  a consensus of credible reporting will also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/claude-4pt7-released-by-LSHFPBEUsncm.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/claude-4pt7-released-by-LSHFPBEUsncm.png","outcomes":["Yes","No"],"outcome_prices":[0.665,0.335],"probability":0.665,"spread":0.25,"active":true,"closed":false,"start_date":"2026-06-10T15:12:01.955847Z","end_date":"2026-09-30T00:00:00Z","closed_time":null,"volume":410.450483,"volume_24hr":410.450483,"prob_24h_change":0.16500000000000004,"volume_24h_change":410.450483,"normalized_vol_24hr":12.372514724731445,"normalized_volume":9.295040130615234,"liquidity":1063.6069,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-06-11T10:44:16.773084Z","fetched_at":"2026-06-11T10:43:31.139545Z","added_at":"2026-06-10T15:17:21.272076Z","url":"https://polymarket.com/event/next-mythos-class-model-released-by/next-mythos-class-model-released-by-september-30-2026","event_title":"Next Mythos-Class Model released by…?","chart_24h":[0.5,0.5,0.885,0.885,0.57,0.57,0.81,0.81,0.805,0.8,0.8,0.8,0.675,0.68,0.6,0.57,0.675]},{"source":"polymarket","id":"2487205","event_id":"578305","slug":"next-mythos-class-model-released-by-august-31-2026","question":"Next Mythos-Class Model released by August 31, 2026?","group_item_title":"August 31","description":"On June 9, 2026, Anthropic released the Mythos-class model Claude Fable 5.\n\nThis market will resolve to \"Yes\" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to \"No.\"\n\nAny model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.\n\nFor this market to resolve to \"Yes,\" the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.\n\nIf a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.\n\nThe primary resolution source for this market will be official information from Anthropic; however,  a consensus of credible reporting will also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/claude-4pt7-released-by-LSHFPBEUsncm.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/claude-4pt7-released-by-LSHFPBEUsncm.png","outcomes":["Yes","No"],"outcome_prices":[0.62,0.38],"probability":0.62,"spread":0.02,"active":true,"closed":false,"start_date":"2026-06-10T15:12:01.686556Z","end_date":"2026-09-30T00:00:00Z","closed_time":null,"volume":369.09000000000003,"volume_24hr":369.09,"prob_24h_change":0.12,"volume_24h_change":369.09,"normalized_vol_24hr":11.940851211547852,"normalized_volume":8.970746040344238,"liquidity":1147.9029,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-06-11T07:58:18.792264Z","fetched_at":"2026-06-11T07:57:24.574884Z","added_at":"2026-06-10T15:17:21.272076Z","url":"https://polymarket.com/event/next-mythos-class-model-released-by/next-mythos-class-model-released-by-august-31-2026","event_title":"Next Mythos-Class Model released by…?","chart_24h":[0.5,0.515,0.5,0.775,0.665,0.65,0.66,0.615,0.66,0.64,0.63,0.645,0.65,0.605,0.625,0.62]},{"source":"polymarket","id":"2487204","event_id":"578305","slug":"next-mythos-class-model-released-by-july-31-2026","question":"Next Mythos-Class Model released by July 31, 2026?","group_item_title":"July 31","description":"On June 9, 2026, Anthropic released the Mythos-class model Claude Fable 5.\n\nThis market will resolve to \"Yes\" if Anthropic releases the next Mythos-class model and makes it available to the general public by the listed date (ET). Otherwise, this market will resolve to \"No.\"\n\nAny model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify for this market’s resolution.\n\nFor this market to resolve to \"Yes,\" the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.\n\nIf a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.\n\nThe primary resolution source for this market will be official information from Anthropic; however,  a consensus of credible reporting will also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/claude-4pt7-released-by-LSHFPBEUsncm.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/claude-4pt7-released-by-LSHFPBEUsncm.png","outcomes":["Yes","No"],"outcome_prices":[0.32,0.68],"probability":0.32,"spread":0.18,"active":true,"closed":false,"start_date":"2026-06-10T15:11:59.925431Z","end_date":"2026-09-30T00:00:00Z","closed_time":null,"volume":566.708272,"volume_24hr":566.708272,"prob_24h_change":-0.175,"volume_24h_change":566.708272,"normalized_vol_24hr":13.731204986572266,"normalized_volume":10.315776824951172,"liquidity":1920.6744,"categories":["Science and Technology"],"countries":[],"updated_at":"2026-06-11T10:44:16.773084Z","fetched_at":"2026-06-11T10:43:31.139545Z","added_at":"2026-06-10T15:17:21.272076Z","url":"https://polymarket.com/event/next-mythos-class-model-released-by/next-mythos-class-model-released-by-july-31-2026","event_title":"Next Mythos-Class Model released by…?","chart_24h":[0.495,0.555,0.54,0.56,0.48,0.465,0.465,0.455,0.465,0.465,0.455,0.42,0.415,0.42,0.42,0.415,0.4,0.215,0.215,0.225,0.41,0.405]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/578305","as_of":"2026-06-11T10:46:41.502398Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Next Mythos-Class Model released by…?\" — top market at 32% probability across 3 outcomes","source_url":null}}