Anthropic releases Claude Fable 5.2, its most capable AI model | The Receipts - Dataspheres AI

Anthropic releases Claude Fable 5.2, its most capable AI model THE RECEIPTS · November 11, 2026 Anthropic releases Claude Fable 5.2, its most capable AI mo...

Anthropic releases Claude Fable 5.2, its most capable AI model THE RECEIPTS · November 11, 2026 Anthropic releases Claude Fable 5.2, its most capable AI model Anthropic released Claude Fable 5.2 on Monday Anthropic released Claude Fable 5.2 on Monday — An AI model is software that answers questions, writes text and code, analyzes data and makes files — In the company’s video, on screen, the model steers robot arms Robot arms steered by the model pick up a puzzle cube, in Anthropic's announcement video Anthropic, from its November 9, 2026 announcement video The company announced it from its own accounts The company announced it from its own accounts — Posted on X on Monday, November 9, by Anthropic’s verified account — It quotes the post from the company’s Claude account Fable and Mythos are one model with different locks Fable and Mythos are one model with different locks Fable and Mythos are one model with different locks Fable and Mythos are one model with different locks Fable and Mythos are one model with different locks It is faster and cheaper than Fable 5.1 It is faster and cheaper than Fable 5.1 30% faster at most, the company says $40 per million tokens of output, down from $50 55% fewer blocked requests, the company says 10 weeks since Fable 5.1 came out Anthropic competes with OpenAI and Google Anthropic competes with OpenAI and Google — Anthropic: Claude Fable 5.2 — OpenAI: GPT-6 Astra — Google: Gemini 4 Carbon The logo of Anthropic, the company that makes Claude Fable 5.2 The logo of OpenAI, the company that makes GPT-6 Astra The logo of Google, the company that makes Gemini 4 Carbon Anthropic’s table puts it first on a coding test Anthropic’s table puts it first on a coding test — The test is called FrontierCode 2.0 — Scores as published by Anthropic It leads most of the 14 tests in that table It leads most of the 14 tests in that table — Operating a computer: 89.3%. An exam of expert questions: 74.2% — Science research tasks: 74.6%, with GPT-6 Astra next at 68.1% — Finding answers on the web: 82.1% Rows from the results table on Anthropic’s announcement page, with Fable 5.2 in the shaded column Anthropic (screenshot, November 11, 2026; rows joined) Google’s model beats it on a business workflow test Google’s model beats it on a business workflow test — The test is called AutomationBench — On one knowledge-work ranking, Opus 5.5 is ahead, 1800 to 1785 Two outside groups built the next test Two outside groups built the next test — The Center for AI Safety and Scale AI built the Remote Labor Index — Anthropic did not build it or grade it The logo of the Center for AI Safety, a research group that built the test The logo of Scale AI, which built the test with it and publishes the leaderboard On an outside test it finished 41.3% of real freelance projects On an outside test it finished 41.3% of real freelance projects The leaderboard for that test puts it first The leaderboard for that test puts it first — The leaderboard as Scale Labs publishes it — Opus 5.5, in second place, finished about half as many projects The projects on that test are real paid jobs The projects on that test are real paid jobs — 240 projects that freelancers were paid to finish — Three people grade each one against the freelancer’s work — 58.7% of the projects still did not pass A real paid project from the test: a dashboard built from a spreadsheet, with the work the freelancer delivered A real paid project from the test: 3D animations of a new earbuds design, with the work the freelancer delivered A real paid project from the test: a small web game, with the work the freelancer delivered An outside index ranks it first of 74 models An outside index ranks it first of 74 models — Artificial Analysis is a site that measures AI models itself — Each model is shown at its best setting That ranking, as Artificial Analysis publishes it That ranking, as Artificial Analysis publishes it — The leaderboard as Artificial Analysis publishes it — The top three rows are Fable 5.2 at three effort settings The company says it built an operating system in 8 days The company says it built an operating system in 8 days — The company says more than 1,000 AI helpers worked around the clock for 8 days — It starts up on a laptop with windows and a login screen A laptop running the prototype operating system Anthropic says its model wrote, in the company’s announcement video Anthropic, from its November 9, 2026 announcement video The company says it designed three gadgets that worked The company says it designed three gadgets that worked — A voice-assistant hub, a USB speakerphone and a handheld virtual pet — All three worked with no electrical fixes, the company says A circuit board for one of three devices Anthropic says its model designed, in the company's announcement video Anthropic, from its November 9, 2026 announcement video On a robot test the company ran, it scored 64.9% On a robot test the company ran, it scored 64.9% — The test is cal