2026年のベストGoogle Gemini代替ツール
Google Gemini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Google Geminiの代替を検討すべき？
- ⚠️Sometimes inaccurate
- ⚠️Less coding focused
- ⚠️Privacy concerns
- ⚠️Limited API access
Google Geminiのトップ8代替ツール
#1
ChatGPT
Versatile AI assistant for various tasks.
Free / $20/month
無料プランあり✅ 장점
- • Versatile
- • Great for tasks
- • Large context
❌ Cons
- • Knowledge cutoff
- • No real-time data
#2
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
#3
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
#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
#5
Cursor
AI-first code editor built for pair programming with AI. Fork of VS Code with native AI features.
Free / $20/month
無料プランあり✅ 장점
- • Native AI integration
- • Codebase-aware
- • VS Code familiar
❌ Cons
- • New product
- • Resource heavy
- • Subscription for full features
#6
Windsurf
AI-powered IDE by Codeium with Cascade for agentic coding assistance.
Free / $15/month
無料プランあり✅ 장점
- • Agentic AI (Cascade)
- • Great free tier
- • Fast completions
❌ Cons
- • Newer than competitors
- • Smaller community
- • Less extensions
#7
v0 by Vercel
AI-powered UI generation tool that creates React components from text descriptions.
Free / $20/month
無料プランあり✅ 장점
- • Generates production code
- • shadcn/ui integration
- • Iterative refinement
❌ Cons
- • Limited free generations
- • React/Next.js only
- • May need manual tweaks
#8
Bolt.new
AI-powered full-stack app builder that creates and deploys apps from prompts.
Free / $20/month
無料プランあり✅ 장점
- • Full-stack generation
- • Instant deployment
- • Real-time preview
❌ Cons
- • Token limits
- • Complex apps need iteration
- • Still in development
クイック比較
| Tool | Price | Free Tier | Best For |
|---|---|---|---|
| Google Gemini | Free / Gemini Advanced $19.99/month | ✅ | AI Tools |
| ChatGPT | Free / $20/month | ✅ | AI Assistant |
| Claude | Free / $20/month | ✅ | AI Tools |
| Perplexity | Free / $20/month | ✅ | AI Search |
| GitHub Copilot | $10/month | ❌ | AI Tools |
| Cursor | Free / $20/month | ✅ | AI Tools |
| Windsurf | Free / $15/month | ✅ | AI Tools |
| v0 by Vercel | Free / $20/month | ✅ | AI Tools |
| Bolt.new | Free / $20/month | ✅ | AI Tools |