AI Visibility / GEO
Claude Opus 5: Frontier Intelligence at Half Fable 5's Price
Anthropic shipped Claude Opus 5 on 24 July 2026 with a 1M-token context and thinking on by default. The $5 per million input tokens is not a price cut.
Viacheslav Varenia
Google Product Expert & SEO Author
Viacheslav Varenia is a Google Product Expert and has been part of the programme since January 2012. He contributes in Google Search Central and Google News Publisher, as well as Google Play and Android, and describes his own focus as Google News and Discover research and SEO.
He writes about artificial intelligence and search technology: new model releases from Anthropic, OpenAI and Google, the business side of the AI industry: acquisitions, infrastructure spending, IPO plans and legal disputes over training data and the way changes inside Google's ranking systems reach the people doing SEO. Recent pieces have looked at the Claude and GPT model families, Google's RankEmbed and FastSearch, and what large AI infrastructure investments mean for the rest of the market.
He also runs a YouTube channel about internet marketing.
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