代替ツール

Best Devin Alternatives in 2026

Devin by Cognition is positioned as the "first AI software engineer" — an autonomous agent that can plan, code, debug, and deploy software independently. But its high price, limited availability, and autonomous-only approach are not for everyone. Here are alternatives for different needs.

代替ツールを探す理由

Very expensive — $500/mo for teams

Autonomous-only approach gives limited control over the process

Quality can be inconsistent for complex, production-grade software

Limited availability — not open to all developers

Black-box approach makes debugging AI decisions difficult

Slower than direct coding for experienced developers who know what they want

トップ代替ツール

VULK

おすすめ

AI app builder with guided generation. You describe what you want, review the output, and iterate — more collaborative than fully autonomous approaches. 16 AI models and 8 platforms.

メリット

Interactive generation with review and iteration

16 AI models — choose the best for each task

8 platform targets including Flutter mobile

Much more affordable than Devin ($500/mo vs EUR 19.99/mo)

デメリット

Less autonomous than Devin — requires user input

Cannot work on arbitrary codebases

Not designed for large-scale refactoring

料金From EUR 1.99 (7-day trial), then EUR 19.99/mo
最適な用途Guided app generation with user control at a fraction of the cost
訪問

Cursor

AI code editor with background agents that can work autonomously on tasks. More controlled than Devin — you see every change and can intervene.

メリット

Background agents for autonomous coding tasks

Full visibility into every AI change

Deep codebase understanding

Works with any existing project

デメリット

Requires developer expertise to direct

Less autonomous than Devin for end-to-end tasks

No built-in deployment

料金Free tier (50 requests), Pro $20/mo
最適な用途Developers who want autonomous AI with full visibility and control
訪問

Replit

Cloud IDE with autonomous AI agent that can build, test, debug, and deploy. Closest in concept to Devin but more accessible and affordable.

メリット

Autonomous AI agent for build-test-debug cycles

Full cloud IDE with deployment

50+ languages supported

Much cheaper than Devin ($25/mo vs $500/mo)

デメリット

Cloud-only — no offline development

Uses only its own AI model

Less sophisticated than Devin for complex tasks

料金Free tier available, Core $25/mo
最適な用途Affordable autonomous AI development in the cloud
訪問

Bolt

Browser-based AI app builder. Less autonomous than Devin but generates complete web apps from prompts with zero setup.

メリット

Zero setup — runs in the browser

Generates complete apps, not just code

Free tier available

Fast iteration cycle

デメリット

Not autonomous — requires prompts for each step

Web apps only

Cannot work on existing codebases

料金Free tier available, paid from $25/mo
最適な用途Quick web app generation at a fraction of Devin's cost
訪問

Windsurf

AI code editor with Cascade (agentic AI). Handles multi-step tasks autonomously while keeping you in control. Closest code editor experience to Devin's autonomy.

メリット

Cascade handles multi-step tasks autonomously

Full visibility into AI decisions

Generous free tier

Works with any codebase

デメリット

Local setup required

Less end-to-end autonomous than Devin

No built-in deployment

料金Free tier available, Pro from $15/mo
最適な用途Autonomous AI coding with developer control and transparency
訪問

Lovable

AI app builder with autonomous Agent Mode. Builds multi-step React + Supabase features independently — similar philosophy to Devin but for web apps specifically.

メリット

Autonomous Agent Mode for multi-step features

Visual editing for fine-tuning output

Deep Supabase integration

Free tier available

デメリット

Web-only — no mobile or other platforms

Single AI model, no selection

Limited to React + Supabase stack

料金Free tier (limited), paid from $25/mo
最適な用途Autonomous web app building with visual editing
訪問

よくある質問

評決

私たちの評決

Devin represents an ambitious vision of fully autonomous AI software engineering, but at $500/mo with limited availability, it is out of reach for most teams. VULK offers guided app generation across 8 platforms at EUR 19.99/mo — less autonomous but more controllable and affordable. Cursor and Windsurf provide AI coding assistance with full visibility. Replit and Bolt offer autonomous-like generation at free or low cost. The best choice depends on whether you value full autonomy (Devin), guided generation (VULK), or AI-assisted coding (Cursor/Windsurf).

構築する準備はできましたか?

7日間の有料トライアルから始めましょう。ビルダーは7日間EUR 1.99から、その後は標準月額料金。