2026年のベストChatGPT代替ツール
ChatGPTの代替を探していますか？トップの選択肢を比較しましょう。
なぜChatGPTの代替を検討すべき？
- ⚠️Knowledge cutoff
- ⚠️No real-time data
ChatGPTのトップ4代替ツール
#1
Claude
Claude by Anthropic is known for its thoughtful, nuanced responses and strong performance on complex reasoning tasks. It emphasizes safety and has an exceptionally large context window.
Free / $20/month
無料プランあり✅ 장점
- • Excellent at nuanced, thoughtful responses
- • Massive 200K context window
- • Strong reasoning capabilities
❌ Cons
- • Smaller plugin ecosystem
- • No native image generation
- • Sometimes overly cautious
#2
Perplexity
AI search engine with real-time answers.
Free / $20/month
無料プランあり✅ 장점
- • Real-time data
- • Sources cited
- • Focused answers
❌ Cons
- • Less conversational
- • Simpler chat
#3
Google Gemini
Google Gemini (formerly Bard) is Google's AI assistant powered by their Gemini model. It offers multimodal capabilities and integrates with Google services.
Free / Gemini Advanced $19.99/month
無料プランあり✅ 장점
- • Free access to powerful model
- • Google integration
- • Multimodal capabilities
❌ Cons
- • Sometimes inaccurate
- • Less coding focused
- • Privacy concerns
#4
GitHub Copilot
AI pair programmer that helps you write code faster with AI-powered suggestions.
$10/month
✅ 장점
- • Deep VS Code integration
- • Great for boilerplate
- • Learning from context
❌ Cons
- • Monthly cost
- • Can suggest incorrect code
- • Privacy concerns
クイック比較
| Tool | Price | Free Tier | Best For |
|---|---|---|---|
| ChatGPT | Free / $20/month | ✅ | AI Assistant |
| Claude | Free / $20/month | ✅ | AI Tools |
| Perplexity | Free / $20/month | ✅ | AI Search |
| Google Gemini | Free / Gemini Advanced $19.99/month | ✅ | AI Tools |
| GitHub Copilot | $10/month | ❌ | AI Tools |