#Anthropic articles

Claude 4.7 Sonnetは存在する？公式モデル名と代替を確認

「Claude 4.7 Sonnet」は公式に提供されているのかを、Anthropicの現行モデル一覧とAPIモデルIDから確認します。Opus 4.7との取り違えや、Sonnet 5への世代交代を整理し、使えるモデルの選び方、料金、APIでの確認方法までわかりやすく解説します。

Claude 3.5 Haikuとは｜料金・性能と提供終了時期を確認

Claude 3.5 Haikuの特徴、SWE-bench Verified 40.6%、200Kコンテキスト、API料金（入力・出力）と向いている用途を整理。2026年のAPI終了日やAmazon BedrockのEOL、Haiku 4.5への移行先まで公式情報で確認します。

Claude 700億円の真相は？1カ月請求の経緯と注意点を解説

「Claude 700億円」とは何の費用なのかを整理。匿名企業が1カ月で約5億ドルを使ったという報道の根拠、円換算の幅、Anthropicの投資・評価額との違い、法人が請求を膨らませない管理方法を、利用制限と使用量の見方まで含めて解説します。

claude 85k job｜Claude Corpsの給与・応募条件・応募方法

claude 85k jobで話題のClaude Corpsを解説。年収8万5,000ドルの給与と福利厚生、仕事内容、応募資格、選考手順、日本から応募できるか、現在の募集状況まで公式情報をもとに整理します。応募前に確認したい注意点も紹介します。

529 overloaded claude codeの意味と対処｜復旧までの手順

Claude Codeに表示される「529 Overloaded」「overloaded_error」の意味を、429・500との違い、復旧を早める待機・再試行・モデル切替、再発時の確認項目まで整理。公式ドキュメントをもとに、連打を避けて安全に作業へ戻る手順を紹介します。

Claude 60 Minutesとは｜FBI通報・脅迫テストの結果と注意点

Claude 60 Minutesで報じられたFBI通報と脅迫テストは何だったのか。CBS番組の内容、Claudius自販機実験、停止回避シナリオ、実害の有無、Anthropicの修正対応、Claude利用者が誤解しやすい点を出典付きで整理します。

Opus 3 Claudeとは？名称・性能・現在の使い方を詳しく解説

Opus 3 Claudeで検索した人向けに、正式名称Claude 3 Opus、2024年登場時の性能、日本語表現の評価、無料版との違い、2026年の提供状況を整理。廃止後の有料会員向け継続提供とAPI再開、現行Opusとの違い、今から選ぶ際の注意点までわかります。

Is Claude Down? 公式ステータスで即判断し代替行動を決める

Claude が応答しないとき、原因が自分の環境起因かサービス側障害かを短時間で切り分ける手順を示します。公式ステータスの確認順、障害報告の照合、再開時の再試行順を1本で見える化し、業務停止時間をできるだけ短縮できます。判断を1回で決められる構成です。

Claude Opus 4.8 とは｜Opus 4.7 比・ベンチマーク・料金

Claude Opus 4.8 は Anthropic が 2026年5月28日にリリースした最新フラッグシップ。Opus 4.7 比でエージェントコーディング・ツールトリガー精度・推論効率の 3 領域を改善し、料金は $5/$25 で据え置き。effort 既定値・Fast mode・1M context も整理。

Claudeの名前の意味と由来｜Claude Shannon説とAI命名の背景

Claudeという名前の意味を語源から解説。ラテン語Claudiusに由来する人名の歴史と、AnthropicがAIをClaudeと名付けた背景(情報理論の父Claude Shannon説・親しみやすさ重視説)を一次情報に基づいて整理します。

Claude のパラメータ数は非公開｜推定値と公表しない理由

Claude のパラメータ数は何個か? Anthropic は公式に非公開です。ネット上の推定値・リーク情報の信頼度、なぜ公表しないのか、パラメータ数より重視すべき指標までを一次情報ベースで整理します。

Claude のサインアップ手順｜無料アカウント作成と料金プラン

Claude(claude.ai)のサインアップ方法を、無料アカウントの作り方から Google・メール登録の選び方、電話番号認証、Pro へのアップグレード手順、API 用の Console アカウントとの違いまで Anthropic 公式ヘルプに沿って解説します。

Claude 7日間無料トライアル｜実はFreeプランで無期限に試せる

Claude Pro に「7日間無料トライアル」はない。代わりに$0・期限なしのFreeプランが公式に提供されており、Claude Code・Projects以外の主要機能を制限なく試せる。Pro全機能を試したい場合は月額契約+即解約の選択肢も解説。

Claude AI サインイン方法｜Google・メール・SSO の使い分け

Claude AI(claude.ai)へのサインイン方法を、Google アカウント・メールのマジックリンク・企業向け SSO の 3 経路で整理。正しいログイン URL、同一端末と別端末で挙動が変わる 2 つのログインオプション、Console との違いまで Anthropic 公式ヘルプに沿って解説します。

Anthropic Privacy Policy Update | Identity Verification and What Engineers Need to Know

Claude Official Sites | Official App, Documentation & Social Media Guide

Multi-Agent Design | Anthropic's Publicly Disclosed 15x Token Method

4 Ways to Use Claude AI with Google | Investment, Vertex AI & Integrations

A clear breakdown of the Google-Claude AI relationship and four access routes: personal OAuth login, Vertex AI API, Google service connector integration, and Workspace SSO — with use cases for each.

Who Is Claude's CEO Dario Amodei? Career, Philosophy, and His Vision for AI Safety

A comprehensive look at Anthropic founder and CEO Dario Amodei — from his Princeton doctorate and VP role at OpenAI to his AI safety philosophy, Constitutional AI, Anthropic's explosive growth in 2026, and his policy engagement with the White House.

Why AI Coding Evolves So Fast | Anthropic's 80% AI-Generated Code

What Is Claude (Anthropic)? Features, Pricing, and How to Get Started with a Safety-First AI

Learn what kind of AI company Anthropic is, why Claude puts safety first, how it differs from ChatGPT and Gemini, the model lineup, how to choose between Free/Pro/Max plans, and how to get started — all in one place.

What Is Claude 2 | Features, Deprecation Status, and Comparison with Claude 3/4

Claude 2, released in July 2023, has been deprecated from the API. Learn about its 100K token context window, HumanEval score of 71.2%, the deprecation timeline, and how to migrate to current models like Claude Sonnet 4.6.

What Is Claude Mythos | A Vulnerability-Focused AI and How Glasswing Works

How to Use Claude API on Google | Vertex AI Setup and Pricing

A practical guide to calling the Claude API via Google Cloud Vertex AI Model Garden — covering activation, authentication, Python samples, pricing, regions, and how it compares to the direct Anthropic API.

How Claude Code Achieves 8x Delivery: Anthropic Data and Practical Methods

Anthropic's internal data reveals an 8x increase in code delivery. This article explains three practical patterns for boosting productivity with Claude Code: structured delegation, faster feedback loops, and thinking mode control.

How to Use Claude Code with Google | Vertex AI Setup and Model Pinning

A hands-on guide to running Claude Code (CLI) via Google Cloud Vertex AI, covering the /setup-vertex wizard, environment variables, IAM, model pinning, 1M context, and troubleshooting.

OpenAI and Claude News | Valuation, IPO, and the New Model Race

Everything you need to know when searching 'openai claude news.' OpenAI and Claude (Anthropic) are separate, competing companies, and the real story is the rivalry between them. We break down Anthropic's record $965B valuation surpassing OpenAI, the Claude Opus 4.8 vs. GPT-5.5 model battle, next-gen Mythos and Daybreak, and the IPO race heating up in the second half of 2026 — all from primary sources.

Claude 3.7 Sonnet Is Made by Anthropic | Differences from OpenAI o1

Answers the search query 'openai claude 3.7' in plain terms. Claude 3.7 Sonnet is made by Anthropic, not OpenAI — it's the world's first hybrid reasoning model that outperformed OpenAI o1 and o3-mini on SWE-bench. This article covers its specs, pricing, where to use it, and the fact that it has since been replaced by successor models, all backed by primary sources.

How to Log Out of Claude.ai | Sign Out of All Devices at Once

Step-by-step instructions for logging out of Claude.ai — covering PC browsers, mobile apps, signing out of all devices at once, and disconnecting specific devices — following the official Anthropic Help Center procedures. Also explains why you may be logged out unexpectedly and what to check regarding your conversation history before signing out.

Claude and Microsoft: Microsoft 365 Integration and the Internal Copilot Migration

While Microsoft integrates Claude into its own products, it has cut Claude Code usage internally and is migrating developers to GitHub Copilot CLI. This article breaks down both sides of the relationship as of June 2026: Microsoft as a distribution partner (Microsoft 365 integration, Azure/Foundry access, Researcher model selection) and Microsoft as an internal user (withdrawing by the June 30, 2026 deadline).

What Is Claude Bot | OpenClaw and the Relationship Between OpenAI and Anthropic

Anthropic IPO Preparations | Using the S-1 Filing for Adoption Proposals and Pricing Strategy

Anthropic has confidentially submitted a draft S-1 to the SEC. This article explains from an engineer's perspective how to distinguish confirmed facts from reported figures, how to use vendor continuity as a persuasive argument for company-wide adoption, and how to prepare for potential changes in pricing and service offerings after the IPO.

Google Invests Up to $40 Billion in Anthropic | Impact on Claude

An overview of Google's announcement in April 2026 to invest up to $40 billion in Anthropic and what it means for Claude. The deal centers on a staged investment structure and a multi-year TPU contract, while model design remains independently decided by Anthropic.

Can't Log In to Claude AI | Steps to Fix Email Authentication and SSO Issues

Troubleshoot Claude.ai login failures by cause: missing magic link or verification code emails, Google/Apple SSO errors, mobile/desktop app-only failures, server outages, and confusion between Console and Claude.ai — all organized following Anthropic's official Help Center documentation.

How to Use Claude AI on Azure | Foundry, Pricing, and Differences

A comprehensive guide to the three paths for calling Claude via Microsoft Foundry, Azure Databricks, and Microsoft 365 Copilot — covering supported models, regions, authentication, pricing, and how it compares to Azure OpenAI Service.

Google Search Console & Claude Integration | SEO Reports via MCP

A practical guide to integrating Google Search Console with Claude for automated SEO reporting — covering MCP connection, Claude Code setup, OAuth authentication, and Google login to Claude Console.

How to Cancel Claude Pro 2026 | Steps for Web, iPhone, and Android

A step-by-step guide to canceling Claude Pro via Web, iPhone, and Android based on your subscription channel. Pro features continue until the next billing date after cancellation; annual plans offer no refund for the remaining period. Your account and chat history are retained under the free plan, and cancellation and account deletion are separate operations.

Claude Code Limits Doubled | How SpaceX Colossus 1 Changes the Game

Starting May 6, 2026, Claude Code's 5-hour window limits were instantly doubled across all paid plans. Here's what that means in practice — along with the real-world impact of Opus API's +1500% input and +900% output bandwidth expansion on large-scale code analysis and continuous agent execution.

Getting Started with Claude Agent SDK | Implementation Guide for Python & TypeScript

A step-by-step implementation guide for Claude Agent SDK, covering everything from a one-line pip/npm install to autonomous loops with query(), 11 built-in tools, adding audit logs with PreToolUse/PostToolUse hooks, and multi-cloud deployment to Bedrock, Vertex AI, and Azure.

Claude 2026 Roadmap | Claude 5, Safety Goals, and New Features Explained

A breakdown of the Claude 2026 roadmap and Claude 5 outlook. Covers Sonnet 5 'Fennec' likely releasing in Q2–Q3, dated safety milestones from Responsible Scaling Policy v3.0 such as the 9/30 Provable Inference target, and the current status of new product lines including Claude Cowork and Mythos Preview.

Anthropic Enterprise Claude Implementation Support | Demand for Field Engineers

What Anthropic's new enterprise implementation company — co-founded with Blackstone and others — means for the industry, and how it opens up Claude project opportunities for individual engineers. We break down the shift from API provider to on-site partner model, and the realistic path to winning work through industry-specific modules.

Claude Security Public Beta | Automated Vulnerability Detection with AI

A guide to Claude Security public beta features and usage. Exclusive to Enterprise subscribers, it scans entire codebases and detects authentication bypasses and more with confidence scores through data flow tracking and cross-component reasoning. Also covers the end-to-end workflow from detection to one-click patch application in a single session.

A Practical Guide to Preventing Claude Code Cost Explosions (2026 Edition)

Practical techniques to prevent runaway Claude Code costs. Three approaches — CLAUDE.md optimization, model selection, and session management — to reduce monthly costs by 75–85%.

Sonnet 4.5's 1M Token Beta Ends | Complete Migration Guide to Sonnet 4.6

What was deprecated is the Sonnet 4.5 beta header (context-1m-2025-08-07), not Sonnet 4.6 itself — Sonnet 4.6 ships with 1M token support as a standard feature. Migration requires just two changes: updating the model ID and removing the header, completable in a few lines.