2026年版 Agenciesに最適なAI Writing
Jasper — Jasperはマルチクライアントのブランド管理に特化した唯一のAIライティングツール。これがエージェンシーが直面するコアワークフロー問題だ。
料金: $49/mo (Creator) / $125/mo (Teams)
Jasper
$49/mo (Creator) / $125/mo (Teams)Separate brand voices per client with campaign-level organization
おすすめの理由
Store different brand voices and product knowledge per client so writers produce on-brand content immediately
注意点
Per-seat pricing adds up fast for large creative teams
ChatGPT
$20/mo (Plus) / $25/user/mo (Team)Custom GPTs per client that encode brand guidelines and style
おすすめの理由
Build a custom GPT for each client with their tone, products, and audience baked in
注意点
Custom GPTs require technical setup and ongoing maintenance per client
Claude
$20/mo (Pro) / $30/user/mo (Team)Highest quality long-form output for premium client deliverables
おすすめの理由
When clients are paying for thought leadership and whitepapers, Claude produces the most polished first drafts
注意点
No built-in brand voice storage means you re-prompt every conversation
Copy.ai
Free / $49/mo (Pro)Automated workflows that turn client briefs into multi-channel content
おすすめの理由
Workflow automation is ideal for agencies doing repetitive content across multiple clients
注意点
Output quality for premium content does not match Claude or well-prompted ChatGPT
Anyword
$49/mo / Custom (Enterprise)Performance prediction scores that justify your copy decisions to clients
おすすめの理由
Showing clients a predictive performance score alongside your copy builds trust and reduces revision rounds
注意点
Scoring accuracy varies significantly across industries and audience types
評価基準
- ✓クライアントごとのBrand Voiceプロフィールで、ジュニアライターが詳細なブリーフなしでオンブランドコンテンツを制作
- ✓Campaign機能が一つのブリーフからブログ、メール、ソーシャル、広告にまたがる統一コピーを生成
- ✓チームプランに利用分析と承認ワークフローを含み、クリエイティブディレクターの品質管理を維持