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Anthropic Expected to Release Its Next Claude Opus Model
ESTIMATED65% CONFIDENCE2 days agoNo official date: September 21 is the day Polymarket's[1][2] per-day market prices highest, at 31% on its outcome row (the page header reads 30.5%), with September 22 at 25% and September 24 at 15%, and “No release by September 30” at 22%. The figures are the chance on each row, not the Buy Yes or Buy No prices in cents beside them.PolymarketPolymarketPrediction-market traders expected Anthropic to ship the successor to Claude Opus 5 (released July 24, 2026) within days. On 19 September 2026 Polymarket's per-day market made September 21 the single likeliest day at 31%, ahead of September 22 at 25%, and its deadline market gave a release by September 30 an 83% chance and by October 31 98%. Anthropic had not announced the model; the “Opus 5.1” name comes from leaked early-access identifiers and early tester reports.0.74Claude Opus 4.6 Released
CONFIRMED90% CONFIDENCE230 days agoAnthropic's[1][2] own announcement, dated the day the model became available.Anthropic upgrades its smartest model with Claude Opus 4.6, industry-leading across agentic coding, computer use, tool use, search and finance.0.74Claude Opus 4.5 Released
CONFIRMED90% CONFIDENCE303 days agoAnthropic's[1][3] own announcement, dated the day the model became available.Anthropic releases Claude Opus 4.5, its new flagship model with state-of-the-art coding and agentic performance at lower pricing.0.73Claude Opus 4.7 Released
CONFIRMED90% CONFIDENCE160 days agoAnthropic's[1][3] own announcement, dated the day the model became available.Anthropic makes Claude Opus 4.7 generally available, a notable improvement on Opus 4.6 in advanced software engineering, especially on the hardest tasks.0.71Claude Opus 5 Released
CONFIRMED90% CONFIDENCE61 days agoAnthropic's[1][3] own announcement, dated the day the model became available.Anthropic releases Claude Opus 5, a step-change improvement for the Opus tier for long-running agents, with gains in coding and professional work.0.71Anthropic Confirms It Runs a Wet Biology Lab in the Bay Area
CONFIRMED93% CONFIDENCE5 days agoThe source[1] page carries its own date of 22 September 2026 and is a write-up of earlier reporting, so the event's date comes from the two reports it is built on: Reuters[2] published the exclusive at 3:02 AM PDT on 18 September 2026 and TechCrunch[3] the confirmation at 4:13 PM PDT the same day - "Anthropic[4][5][6] has a wet biology lab in the Bay Area where it can use its AI models to run physical experiments, it has confirmed to TechCrunch". The pin is the day the lab was disclosed: Anthropic gave no date for when it opened and declined to say where it is beyond the Bay Area, so the pin sits on San Francisco, the city of its own headquarters.Anthropic confirmed it operates a wet biology lab in the Bay Area where its models can run physical experiments, its head of life sciences Eric Kauderer-Abrams saying the company is doing real lab work today. Anthropic says the facility's focus is fundamental biology rather than drug discovery, where it partners with pharma customers including Novo Nordisk.0.70Claude Opus 4.8 Released
CONFIRMED90% CONFIDENCE118 days agoAnthropic's[1][3] own announcement, dated the day the model became available.Anthropic releases Claude Opus 4.8, stronger across coding, agentic tasks and professional work, with the consistency to keep working on long-running tasks.0.69Claude Opus 5.5 Released
CONFIRMED90% CONFIDENCE1 day agoUnlike the Fable 5.1 announcement, this page dates itself: the header reads “Claude[2] Opus 5.5 September 22, 2026”. TechCrunch's[3] byline (“9:30 AM PDT · September 22, 2026”, “released on Tuesday”) and XDA's 2026-09-22T16:44Z timestamp agree, so the source[1] keeps the claim and the two reports corroborate it.Anthropic releases Claude Opus 5.5, the first model in a new Claude 5.5 family, which it says matches Claude Fable 5.1 on most work while costing 40% less to run than Opus 5.0.66OpenAI Announces an IPO
ESTIMATED67% CONFIDENCEin 158 daysA "by when" market with no scheduled event behind it. February 2027 carries the largest month-on-month jump among the rungs below that block — 12% before February 1 rising to 39% before March 1, 27 points — and a month-only date takes its last day. The April strike (70%) is quoted above both May (49%) and June (61%), so the top of the ladder is out of order and was not used. All figures are the chance the strike list shows, not the Yes price in cents.[1]KalshiKalshiOn 20 September 2026 Kalshi put an official OpenAI IPO announcement at 5% before January 2027, 12% before February and 39% before March — a 27-point jump across February. The upper rungs did not run in order: the page showed 70% before April, then 49% before May and 61% before June.0.62Claude Fable 5.1 and Mythos 5.1 Released
CONFIRMED90% CONFIDENCE22 days agoThe announcement page does not date itself - it says only “September 2026” and “available today”, and the one ISO timestamp in its HTML is a page build time. The date comes from Anthropic's[1][3] own news index, whose card for this article carries <time>Sep 1, 2026</time>, and is confirmed independently by MacRumors[5]' article:published_time of 2026-09-01T19:15:16Z (“Anthropic today introduced Claude[2] Fable 5.1”) and by Wikipedia's[4] Claude Mythos infobox, “Claude Mythos 5.1 / September 1, 2026”.Anthropic releases Claude Fable 5.1 and Claude Mythos 5.1 - the same model behind different safeguards - and cuts cache reads by 75%, making typical workloads about 25% cheaper to run than Fable 5.0.60TSMC 2026 North America OIP Ecosystem Forum in Santa Clara
SCHEDULED80% CONFIDENCETodayTSMC's[2][3] OIP site lists "Date: Wednesday, September 23, 2026 Time: 9:30am - 6pm (Pacific Standard Time) Venue: Santa Clara Convention Center, CA" (Pacific daylight time in September, UTC-7); TSMC's events page lists 2026/09/23 Santa Clara.TSMC's 18th Open Innovation Platform Ecosystem Forum brings chip designers, EDA and IP partners and customers to the Santa Clara Convention Center on 23 September, opening a global series that ends in Israel in December.0.59Abbott Agrees to Buy Exact Sciences for $21 Billion
CONFIRMED86% CONFIDENCE307 days agoThe release is datelined "ABBOTT PARK, Ill., and MADISON, Wis., Nov. 20, 2025 /PRNewswire/ -- Abbott (NYSE: ABT) and Exact Sciences (NASDAQ: EXAS) today announced a definitive agreement".[1]Abbott agreed to buy Cologuard maker Exact Sciences for $105 a share in cash, a total equity value of about $21 billion, to enter cancer screening and precision oncology diagnostics.$21B0.58
