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  1. Story35 reports · 8 facts

    Anthropic releases Claude Opus 5.5

    On September 22, 2026, Anthropic released Claude Opus 5.5. According to official materials, the model ranks first on Artificial Analysis's Intelligence Index v4.3 with a score of 58, 7 points higher than Claude Opus 5, and tops Vals AI's Vals Index at 69.69%; it supports up to 1 million tokens of input and 128,000 tokens of output, with reasoning enabled by default across five levels, and API pricing at $4/$0.25/$20 per million input/cached/output tokens. Earlier reports said its output price was $20 per million tokens, lower than the previous generation's $25. On September 23, Yuchen Jin said it was about 30% faster and about 40% cheaper per task than Opus 5. On September 25, Thomas Wolf said he used Opus 5.5 to generate a video from a Google Doc. On October 4, Ado Kukic said that using Opus 5.5 at medium and high effort he did not hit the 5-hour limit, using at most about 74% in a single session. On October 9, Ado again said that the weekend after Opus 5.5's release was his most productive coding day of the year so far. During the same period, Anthropic also released Sonnet 5.5 and Haiku 5.5, and lowered Sonn

    On September 23, Yuchen Jin said it was about 30% faster and about 40% cheaper per task than Opus 5. On September 25, Thomas Wolf said he used Opus 5.5 to generate a video from a Google Doc. On October 4, Ado Kukic said that using Opus 5.5 at medium and high effort he did not hit the 5-hour limit, using at most about 74% in a single session. On October 9, Ado again said that the weekend after Opus 5.5's release was his most productive coding day of the year so far. During the same period, Anthr

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  2. Story6 reports · 3 facts

    Summit announces keynote speakers

    On October 8, 2026, ARC Prize announced Kevin Murphy as a research speaker for the ARC Prize Research Summit 2026. According to ARC Prize, Kevin Murphy is a research scientist at Google DeepMind and the author of the textbook "Probabilistic Machine Learning," working on developing AI that learns causal world models through experimentation. The same post also invited registration for the summit. Previously, on October 7, ARC Prize announced research speaker Alexandre Bouayad, a quantitative researcher at G-Research and author of "Weave of Formal Thought," who studies how to introduce formal structures into the process of language model learning and code generation. On October 9, ARC Prize further announced that Stephen Wolfram will serve as a keynote speaker for the summit, along with a registration link for attending.

    On October 8, 2026, ARC Prize announced Kevin Murphy as a research speaker for the ARC Prize Research Summit 2026. According to ARC Prize, Kevin Murphy is a research scientist at Google DeepMind and the author of the textbook "Probabilistic Machine Learning," working on developing AI that learns causal world models through experimentation. The same post also invited registration for the summit. Previously, on October 7, ARC Prize announced research speaker Alexandre Bouayad, a quantitative resea

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Friday

  1. FactRelated story

    English translation is being prepared.

    Google has released Nano Banana 2.1, an image generation and editing model that replaces Nano Banana 2, released in February 2026. According to The Decoder, the company says the new model improves on every front and costs about half as much as its predecessor: 1K images drop from 6.70 cents to 3.36 cents, and 4K from 15.10 cents to 7.56 cents. The model is based on Gemini 3.6 Flash and supports 1K, 2K, and 4K resolutions, can process up to 14 reference images at once while keeping 4 characters and 10 objects consistent, and is being rolled out across the Gemini app, AI Mode in Google Search, Google AI Studio, Flow, Stitch, Google Ads, and the Gemini enterprise platform; the older model gemini-3.1-flash-image will be retired on October 29, 2026. On October 7, Krea announced that Nano Banana 2.1 was live, saying it understands prompts better, edits more sharply, and keeps subjects more consistent, with generation support up to 4K. On October 9, an Artificial Analysis evaluation showed that the model ranks three places higher than Nano Banana 2 on the quality-versus-price frontier, at only half the price.

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    View story:Google releases image model Nano Banana 2.1

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