おすすめのAIコーディングエージェント

おすすめのAIコーディングエージェント の比較

価格は各社が公開している開始価格です。無料プランや試用は、価格ページに書いてあるときだけ載せます。

ランキング

仕事への適合、自律性、制御、連携、始めやすさ、情報の公開度で並べています。

価格、機能、要約

1. 1

   Cursor

   Developers who want an IDE agent with a free Hobby plan and a $20 individual plan

   Cursor's homepage says agents turn ideas into code, run in parallel for hours or days, and also operate in the terminal, Slack, and GitHub pull-request review. It offers model choice across OpenAI, Anthropic, Gemini, SpaceXAI, and Cursor models, plus cloud agents.

   料金

   From $20/mo

   https://cursor.com/pricing lists Hobby as free with limited Agent requests and access to Composer, Individual at $20/mo, Teams at $40/user/mo, and Enterprise as custom. The page names Pro, Pro+, and Ultra under Individual but does not publish separate dollar prices for Pro+ or Ultra. Last checked 5 October 2026.

   主な機能

   Terminal, Slack, GitHub, MCP, Cloud agents. Sold to run the job rather than wait for a prompt on every step. Keep a way to stop it before it reaches a customer, a candidate, or a filing.

   利用者の声

   Cursorに残る人はたいていエディタを買っています。インライン編集と複数ファイルの変更であり、ターミナルのセッションではありません。

   r/cursorでは、従量課金の利用者が、料金がClaudeのプランへ押し出した、と書いています。

   • “I switch from cursor pay as you go to Claude code max $100/mo.”

     Reddit · u/vamonosgeek

   Cursorの料金と機能/Cursorの代替

2. 2

   Devin

   Teams that want a cloud software-engineer agent that opens pull requests

   Devin's homepage says it runs in the cloud or on your machine, tests in its own browser, and keeps going until a pull request is ready to merge. It can be tagged in Slack and Microsoft Teams, watches issues and failed CI, and mixes frontier models.

   料金

   Free, then $20/mo

   https://devin.ai/pricing lists Free at $0, Pro at $20 per month, Max at $200 per month, and Teams at $80/month plus $40/month per full dev seat. Enterprise is listed as contact-for-demo, and extra usage beyond included quota is consumed at API pricing. Last checked 5 October 2026.

   主な機能

   Slack, Microsoft Teams, Linear, Jira, GitHub, GitLab, Bitbucket. Sold to run the job rather than wait for a prompt on every step. Keep a way to stop it before it reaches a customer, a candidate, or a filing.

   Devinの料金と機能/Devinの代替

3. 3

   Windsurf

   Windsurf users moving to the Devin Desktop agent command center

   https://windsurf.com now presents Devin Desktop, and its FAQ states that Devin Desktop is the new name for Windsurf and that the IDE, extensions, settings, plan, and pricing carry over. The page describes an agent command center for local and cloud agents plus a full IDE with Supercomplete and Fast Context.

   料金

   Free, then $20/mo

   The pricing overview on https://windsurf.com lists Free at $0, Pro at $20 per month, Max at $200 per month, Teams at $80/mo plus $40/mo per full seat, and Enterprise as contact. The FAQ says current plan and pricing stay the same, including legacy Windsurf Enterprise plans. Last checked 5 October 2026.

   主な機能

   Slack, Linear, Notion, Figma, Sentry, Stripe, Vercel, MCP. Sold to run the job rather than wait for a prompt on every step. Keep a way to stop it before it reaches a customer, a candidate, or a filing.

   Windsurfの料金と機能/Windsurfの代替

4. 4

   Claude Code

   Developers who want a terminal and IDE coding agent on a Claude subscription

   Claude Code builds a plan, asks clarifying questions, and handles work that runs for hours or days, including bug fixes, tests, refactors, and pull requests. It runs locally in the terminal on macOS, Linux, and Windows, with extensions for VS Code and JetBrains, and asks for permission before changing files or running commands.

   料金

   From $17/mo

   https://claude.com/pricing lists Pro at $17 per month with annual billing ($200 up front) or $20 if billed monthly, and Max from $100 per month. The same page says Claude Code is included in all paid plans and shares those usage limits; a Console account bills Claude Code at standard API rates. Last checked 5 October 2026.

   主な機能

   Terminal, VS Code, JetBrains, GitHub, GitLab, Slack, MCP. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   利用者の声

   r/cursorでは、Claude Codeに移った人が金額あたりの利用量を話し、長い投稿がしっかりしたエージェント型コーダーと呼んでいます。

   同じスレッドはプラン上限に当たる話があり、r/cursorの長いコメントは、テストが通る前にモデルが作業完了と印を付ける、と書いています。

   • “I switch from cursor pay as you go to Claude code max $100/mo. I hit limits sometimes. But it’s definitely worth it.”

     Reddit · u/vamonosgeek

   • “CC is a solid tool, very robust and polished, probably one of the best agentic coder.”

     Reddit · u/yopla

   Claude Codeの料金と機能/Claude Codeの代替

5. 5

   OpenAI Codex

   Teams already on ChatGPT who want parallel coding agents and pull-request review

   OpenAI describes Codex as a coding partner included in ChatGPT that takes on bugs, refactors, and new features, and runs many agents in parallel with computer and browser tools. The same agent is available in ChatGPT, an IDE extension, the terminal, and cloud environments that keep tasks running after the laptop is closed.

   料金

   From $20

   https://openai.com/codex/ lists Plus at $20, Pro at $100, and Business at $20, and says Codex is included in the ChatGPT plan. The Business note on that page says for 2+ seats, billed annually. Last checked 5 October 2026.

   主な機能

   ChatGPT, IDE extension, Terminal, Cloud environments, Plugins. Sold to run the job rather than wait for a prompt on every step. Keep a way to stop it before it reaches a customer, a candidate, or a filing.

   OpenAI Codexの料金と機能/OpenAI Codexの代替

6. 6

   GitHub Copilot

   Developers who want completions and agents inside GitHub and their IDE

   GitHub's Copilot page says it works in the editor, terminal, GitHub, and cloud agents, and can assign work to Copilot, Claude, or Codex. The FAQ on the plans page says it provides contextual assistance from inline suggestions and chat through the software development lifecycle.

   料金

   Free, then $10/user/mo

   https://github.com/features/copilot/plans lists Free at $0 with 2,000 completions per month, Pro at $10 per user/month with $15 of monthly AI credits, Pro+ at $39 per user/month, and Max at $100 per user/month. That page says new sign-ups for Pro, Pro+, and Max are temporarily paused. Last checked 5 October 2026.

   主な機能

   VS Code, Visual Studio, JetBrains, Neovim, GitHub, GitHub CLI, MCP. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   GitHub Copilotの料金と機能/GitHub Copilotの代替

7. 7

   Cline

   Developers who want an open-source agent and their own model key

   Cline is an open-source coding agent for the editor, terminal, desktop, and an SDK, licensed Apache 2.0. The homepage says it can plan then act, edit across a project, run bash, and use Claude, GPT, Gemini, Ollama, LM Studio, or any OpenAI-compatible endpoint.

   料金

   Free

   https://cline.bot/pricing says the open-source extension is free for individual developers and that you pay only for AI inference, with your own API keys or the Cline provider. Enterprise pricing is not given a dollar amount; the page lists SSO, SLA, JetBrains, and team management as organization features. Last checked 5 October 2026.

   主な機能

   VS Code, CLI, Slack, Discord, Telegram, Linear, GitHub Actions, GitLab. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Clineの料金と機能/Clineの代替

8. 8

   Google Jules

   GitHub users who want an async agent that plans a change and opens a pull request

   Jules is an autonomous coding agent that clones a selected GitHub repository to a cloud VM, writes a plan, shows a diff, and opens a pull request. The homepage says you can also assign a task with a jules label on a GitHub issue.

   料金

   Not published

   https://jules.google/docs/usage-limits/ does not list a dollar price. It lists Jules at 15 tasks per rolling 24 hours and 3 concurrent tasks, Jules in Pro at 100 daily tasks and 15 concurrent tasks via Google AI Pro, and Jules in Ultra at 300 daily tasks and 60 concurrent tasks via Google AI Ultra. Last checked 5 October 2026.

   主な機能

   GitHub. Sold to run the job rather than wait for a prompt on every step. Keep a way to stop it before it reaches a customer, a candidate, or a filing.

   Google Julesの料金と機能/Google Julesの代替

9. 9

   Augment Code

   Engineering organizations running shared agent loops with human review gates

   Augment Code describes Cosmos as a platform that moves work from spec to verification with agent loops for code review, ticket-to-PR, vulnerability remediation, and incident response. Agents can be triggered from GitHub, GitLab, Slack, Linear, Jira, schedules, and webhooks, and can run in managed cloud sandboxes or on customer-managed machines.

   料金

   From $20/mo

   https://www.augmentcode.com/pricing lists Standard at $20/month flat for up to 50 seats with $20 of included usage, Business at $100/month flat for up to 50 seats with $100 of included usage, and Enterprise as custom. Usage covers LLM tokens at public API list price, a 40% service fee on LLM usage, and Cosmos compute, with pay-as-you-go top-ups. Last checked 5 October 2026.

   主な機能

   GitHub, GitLab, Slack, Linear, Jira, MCP, CLI. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Augment Codeの料金と機能/Augment Codeの代替

10. 10

    OpenCode

    Developers who want a free open-source agent and a choice of model providers

    OpenCode's homepage says it is an open-source agent for the terminal, IDE, or desktop, with free models included or a connection to Claude, GPT, Gemini, and other providers. It also says it does not store your code or context data, and that you can sign in with GitHub Copilot or ChatGPT Plus/Pro.

    料金

    Free

    https://opencode.ai says free models are included. https://opencode.ai/docs/go/ lists optional Go at $10/month and Go Plus at $40/month. https://opencode.ai/zen says Zen is pay as you go and starts by adding a $20 balance, plus a $1.23 card processing fee. Last checked 5 October 2026.

    主な機能

    Terminal, Desktop app, IDE extension, GitHub Copilot, ChatGPT Plus/Pro, Models.dev providers. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

    OpenCodeの料金と機能/OpenCodeの代替

近いカテゴリ

隣の仕事には別の一覧があります。

• おすすめのAIアプリビルダー
• AIエージェントを作るプラットフォーム
• おすすめのAIブラウザ

よくある質問

すべての製品を同じ6項目で100点満点にします。順位は合計、適合、名前の順です。 方法の全文を読む.