Anthropic Cancels Price Hike, Keeps Claude Sonnet 5 Cheap for Good

8/30/2026beginner

Source: TechJournal

この記事の要約

AI企業Anthropicは、AIモデル「Claude Sonnet 5」の利用料金を9月1日から値上げする予定でしたが、その計画を取りやめました。発売当初のお得な価格を、今後もずっと続けることに決めたのです。この決定で、Claudeを使って開発をしている企業や個人は、コストを安く抑えられるようになりました。値上げを見込んで予算を組んでいた企業にとっても、うれしいニュースです。

話のネタ・雑談に

「値上げすると思っていたら実は値下げ据え置きだった」という今回のニュースは、職場でのコスト管理やSaaS選定の話題のきっかけになります。AIツールの料金は日々変わるので、「うちの会社はどのAIサービスを使っている?料金は最近変わった?」といった雑談にもつなげやすいトピックです。

英語本文

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Anthropic, the company behind the AI model Claude, had planned to raise prices for its Claude Sonnet 5 model starting on September 1. But the company just announced that the increase will not happen.

When Claude Sonnet 5 launched in June, Anthropic offered a low introductory price: $2 for every million input tokens and $10 for every million output tokens. That price was supposed to rise to $3 and $15 in September, a fifty percent jump.

Now, Anthropic says the low price will stay permanently, not just for a limited time. This is good news for developers and businesses that build apps using Claude.

Many companies had already planned their budgets around the higher price. Now they can spend that money on other things instead. AI companies are competing hard on both price and quality, which is helpful for everyone who uses AI tools.

Vocabulary

permanent

Meaning: 永続的な、ずっと続く

Example: The company made the discount permanent instead of temporary.

increase

Meaning: 増加、値上げ

Example: There was a price increase for the new service.

cancel

Meaning: 中止する、取りやめる

Example: Anthropic decided to cancel the planned price hike.

introductory

Meaning: 導入時の、初期の

Example: The introductory price was much lower than the regular one.

budget

Meaning: 予算(を組む)

Example: Our team had to budget for higher costs next year.

developer

Meaning: 開発者

Example: Many developers use AI models to build new apps.

compete

Meaning: 競争する

Example: AI companies compete with each other on price and quality.

token

Meaning: トークン(AIが処理する文章の単位)

Example: The AI model charges a small fee for every million tokens.

Quiz

1. What did Anthropic originally plan to do on September 1?

2. What was the introductory price for Claude Sonnet 5?

3. How will the introductory price change now?

4. Who benefits most from this decision, according to the article?

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