Anthropic released Claude Opus 5, a new model offering near-frontier performance at lower cost point than previous generation models. Discussion on Hacker News noted 38% improvement in English tokenization efficiency versus prior tokenizer.
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今日のAI関連記事 日本語は減り、英語は +38% — Claude 新トークナイザの実測 | Zennの「AI」のフィード Claudeの新トークナイザ（Opus 4.7以降）において、日本語のトークン数は微減し、英語は大幅に増加しました。 これにより、日本語のトークン消費量が英語の約1.78倍だったのが約1.21倍まで縮小しています。 日本語でAIを利用する際のコスト的な不利が軽減され、英語でプロンプトを書くメリットが弱まったことが伝えられています。 なお、コードなどの記述はトークン数が増加する傾向にあります。 Anthropic は、新しいトークナイザについてこう書いています。it may use roughly 1x to 1.35x as many tokens when processing text compared to models before Claude Opus
Anthropic's Claude Opus 5 Bets That the Real Money Is Just Behind the Frontier https://ai-for-seo-professionals.fiorreports.com/claude-opus-5-near-frontier-half-price-daily-driver-fior_trump/ #News
Anthropic's Claude Opus 5 Bets That the Real Money Is Just Behind the Frontier https://dailytexasnews.com/?p=57354 #News
platform.claude.com/docs/en/buil... Behavioral differences and prompting patterns for Claude Opus 5, covering response verbosity, agentic narration, task scoping, subagent delegation, self-correction, and output artifacts when thinking ...
Anthropic Launches Claude Opus 5 ->StartupHub.ai | More on "Anthropic Claude Opus 5 AI" at BigEarthData.ai | #ArtificialIntelligence #Anthropic Visual TL;DR. Anthropic Launches Claude Opus 5 offers Near-Frontier Intelligence. Anthropic Launches Claude Opus 5 at Reduced Cost. Near-Frontier Intelligence leads to State-of-Art Performance. Reduced Cost enables State-of-Art Performance. Anthropic Launc