Source: https://bestagentsfor.com/ja/ai-agents-for/browsers/
Markdown: https://bestagentsfor.com/ja/ai-agents-for/browsers/index.md

Title: おすすめのAIブラウザ (2026) | Best Agents For

- ホーム

- /エージェント

- /おすすめのAIブラウザ

# おすすめのAIブラウザ

AIブラウザはページを読み、その上で操作できます。Comet、Dia、Opera Neonが製品です。確認日にAtlasとCometの価格は読めませんでした。

9 製品。料金と説明の確認日は 2026年10月5日。

## おすすめのAIブラウザ 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。

製品

料金

無料プランまたは試用

主な機能

連携

向いている用途

利用者の声

#1

$19.90/mo (Dec 2025 price post)

無料プラン

An Opera browser built to act on tasks.

MCP, Opera Browser CLI, Google Docs, Google Sheets

People who want several AI agents and models in one browser, or who want to attach their own agents for free.

出典付きのコメントはありません。

#2

Free, then $20/month

無料プラン

Cloud browsers, search, and fetch for agents.

Playwright, Puppeteer, Selenium, Stagehand

Developers who need production browser infrastructure for their own agents.

出典付きのコメントはありません。

#3

$20/month

無料プランと試用

A work browser that can chat across your tools.

Slack, Notion, Teams

Mac users who want tab- and tool-aware chat inside the browser, with a free non-AI browser if they do not pay.

出典付きのコメントはありません。

#4

Not published

無料プラン

Copilot built into Microsoft Edge.

Microsoft 365, Word, Excel, Outlook

People already in Edge who want tab-aware help without installing another browser.

出典付きのコメントはありません。

#5

$24.99/month

無料プラン

An all-in-one AI workspace with agents.

Salesforce, HubSpot, Microsoft 365

Individuals who want one subscription for many models and finished artifacts, not only chat.

出典付きのコメントはありません。

#6

$0.02/hour

記載なし

Open-source web agents and remote browsers.

Chrome DevTools Protocol

Developers who want a web agent or a cheap remote browser, with the option to self-host the open-source library.

出典付きのコメントはありません。

#7

Not published

記載なし

Perplexity's personal AI browser assistant.

None named on the pages we opened

People who want an assistant inside the browser that can take a task, not only answer a question.

出典付きのコメントはありません。

#8

Not published

記載なし

OpenAI's ChatGPT browser, now discontinued.

None named on the pages we opened

Historical reference only. OpenAI told users to leave Atlas before August 9, 2026.

出典付きのコメントはありません。

#9

Not published

記載なし

An agentic browser for research and web automation.

Notion, Google, Reddit

People who want to delegate multi-step web research and still approve the plan first.

出典付きのコメントはありません。

## 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。

#

エージェント

向いている用途

料金

無料プラン

自律度

連携

スコア

1

Opera Neon

People who want several AI agents and models in one browser, or who want to attach their own agents for free.

$19.90/mo (Dec 2025 price post)

あり

Semi-autonomous

MCP, Opera Browser CLI, Google Docs +1

- Fit for the job26/30

- Autonomy13/20

- Controls12/15

- Integrations9/15

- Access10/10

- Evidence9/10

2

Browserbase

Developers who need production browser infrastructure for their own agents.

Free, then $20/month

あり

Autonomous

Playwright, Puppeteer, Selenium +3

- Fit for the job21/30

- Autonomy17/20

- Controls11/15

- Integrations11/15

- Access10/10

- Evidence9/10

3

Dia

Mac users who want tab- and tool-aware chat inside the browser, with a free non-AI browser if they do not pay.

$20/month

あり

Copilot

Slack, Notion, Teams

- Fit for the job27/30

- Autonomy9/20

- Controls13/15

- Integrations8/15

- Access10/10

- Evidence9/10

4

Microsoft Edge Copilot Mode

People already in Edge who want tab-aware help without installing another browser.

Not published

あり

Copilot

Microsoft 365, Word, Excel +2

- Fit for the job25/30

- Autonomy9/20

- Controls13/15

- Integrations10/15

- Access10/10

- Evidence9/10

5

Genspark

Individuals who want one subscription for many models and finished artifacts, not only chat.

$24.99/month

あり

Semi-autonomous

Salesforce, HubSpot, Microsoft 365

- Fit for the job24/30

- Autonomy13/20

- Controls12/15

- Integrations8/15

- Access10/10

- Evidence9/10

6

Browser Use

Developers who want a web agent or a cheap remote browser, with the option to self-host the open-source library.

$0.02/hour

なし

Autonomous

Chrome DevTools Protocol

- Fit for the job22/30

- Autonomy17/20

- Controls11/15

- Integrations6/15

- Access8/10

- Evidence9/10

7

Perplexity Comet

People who want an assistant inside the browser that can take a task, not only answer a question.

Not published

なし

Semi-autonomous

None named on the pages we opened

- Fit for the job29/30

- Autonomy13/20

- Controls12/15

- Integrations4/15

- Access4/10

- Evidence9/10

8

ChatGPT Atlas

Historical reference only. OpenAI told users to leave Atlas before August 9, 2026.

Not published

なし

Semi-autonomous

None named on the pages we opened

- Fit for the job28/30

- Autonomy13/20

- Controls12/15

- Integrations4/15

- Access4/10

- Evidence9/10

9

Fellou

People who want to delegate multi-step web research and still approve the plan first.

Not published

なし

Semi-autonomous

Notion, Google, Reddit

- Fit for the job23/30

- Autonomy13/20

- Controls12/15

- Integrations8/15

- Access4/10

- Evidence9/10

順位 1

79

People who want several AI agents and models in one browser, or who want to attach their own agents for free.

- Fit for the job26/30

- Autonomy13/20

- Controls12/15

- Integrations9/15

- Access10/10

- Evidence9/10

順位 2

79

Developers who need production browser infrastructure for their own agents.

- Fit for the job21/30

- Autonomy17/20

- Controls11/15

- Integrations11/15

- Access10/10

- Evidence9/10

順位 3

76

Mac users who want tab- and tool-aware chat inside the browser, with a free non-AI browser if they do not pay.

- Fit for the job27/30

- Autonomy9/20

- Controls13/15

- Integrations8/15

- Access10/10

- Evidence9/10

順位 4

76

People already in Edge who want tab-aware help without installing another browser.

- Fit for the job25/30

- Autonomy9/20

- Controls13/15

- Integrations10/15

- Access10/10

- Evidence9/10

順位 5

76

Individuals who want one subscription for many models and finished artifacts, not only chat.

- Fit for the job24/30

- Autonomy13/20

- Controls12/15

- Integrations8/15

- Access10/10

- Evidence9/10

順位 6

73

Developers who want a web agent or a cheap remote browser, with the option to self-host the open-source library.

- Fit for the job22/30

- Autonomy17/20

- Controls11/15

- Integrations6/15

- Access8/10

- Evidence9/10

順位 7

71

People who want an assistant inside the browser that can take a task, not only answer a question.

- Fit for the job29/30

- Autonomy13/20

- Controls12/15

- Integrations4/15

- Access4/10

- Evidence9/10

順位 8

70

Historical reference only. OpenAI told users to leave Atlas before August 9, 2026.

- Fit for the job28/30

- Autonomy13/20

- Controls12/15

- Integrations4/15

- Access4/10

- Evidence9/10

順位 9

69

People who want to delegate multi-step web research and still approve the plan first.

- Fit for the job23/30

- Autonomy13/20

- Controls12/15

- Integrations8/15

- Access4/10

- Evidence9/10

## 価格、機能、要約

1

### Opera Neon

People who want several AI agents and models in one browser, or who want to attach their own agents for free.

Opera Neon is an agentic browser from Opera that reads pages, carries context across tabs, and runs agents for chat, browsing, research, and document creation. It includes Opera browser features such as a built-in free VPN and an ad blocker.

Opera Neonの料金と機能/Opera Neonの代替

2

### Browserbase

Developers who need production browser infrastructure for their own agents.

Browserbase is a platform for running agents that browse, fill forms, and act where an API does not exist, plus Search and Fetch APIs and Agent Identity for logins and CAPTCHAs. The company says it runs more than 35 million browser sessions a month across 10,000 customers, and that Stagehand, its AI browser SDK, is maintained by Browserbase.

Browserbaseの料金と機能/Browserbaseの代替

3

### Dia

Mac users who want tab- and tool-aware chat inside the browser, with a free non-AI browser if they do not pay.

Dia is a browser from The Browser Company that can pull context from connected tools such as Slack, Notion, and Teams and turn it into a shareable report. The plans page says the free Better Browser has no AI, Better Answers is chat with page and tool context, and Better Days adds more usage plus briefs, recaps, and reports.

Diaの料金と機能/Diaの代替

4

### Microsoft Edge Copilot Mode

People already in Edge who want tab-aware help without installing another browser.

Copilot in Microsoft Edge uses open tabs to compare, summarize, and draft, and can group browsing into Journeys on the new tab page. Microsoft says Copilot helps when you ask, and that optional context, video highlights, and memory stay under user control.

Microsoft Edge Copilot Modeの料金と機能/Microsoft Edge Copilot Modeの代替

5

### Genspark

Individuals who want one subscription for many models and finished artifacts, not only chat.

Genspark's site presents AI Workspace 6.0 as a place to ask in plain language and get a live dashboard from your data. Its help center describes membership plans that pay for credits, AI Drive storage, and access to agents and models, including slides, docs, sheets, and code.

Gensparkの料金と機能/Gensparkの代替

6

### Browser Use

Developers who want a web agent or a cheap remote browser, with the option to self-host the open-source library.

Browser Use sells agents that finish browser tasks and a remote browser for running your own agents. The site says the open-source project has 117k GitHub stars, an MIT license, and 8.1 million downloads a month, and that its cloud browsers are $0.02 an hour.

Browser Useの料金と機能/Browser Useの代替

7

### Perplexity Comet

People who want an assistant inside the browser that can take a task, not only answer a question.

Perplexity's Comet page describes Comet as a personal AI assistant browser, available for Mac, Windows, iOS, and Android. The extracted page text shows it taking tasks such as comparing news coverage, building a basic site, drafting a reply from a schedule, and buying a product.

Perplexity Cometの料金と機能/Perplexity Cometの代替

8

### ChatGPT Atlas

Historical reference only. OpenAI told users to leave Atlas before August 9, 2026.

OpenAI's introduction of ChatGPT Atlas describes a macOS browser with ChatGPT in the page, built-in memory, and an agent mode that could research, automate tasks, and book while the user browsed. OpenAI's help article on evolving Atlas says the browser was scheduled to stop working on August 9, 2026, with browser-based agent work moving into ChatGPT and Codex.

ChatGPT Atlasの料金と機能/ChatGPT Atlasの代替

9

### Fellou

People who want to delegate multi-step web research and still approve the plan first.

Fellou is an agentic AI browser that turns a goal into a step-by-step plan the user can edit or approve, then runs research and web automation, including on logged-in sites. It says tasks can run in a background workspace, can be scheduled, and can be extended with the open-source Eko 2.0 framework.

Fellouの料金と機能/Fellouの代替

## AIエージェントとは

AIブラウザはページを読み、その上で操作できます。Comet、Dia、Opera Neonが製品です。確認日にAtlasとCometの価格は読めませんでした。

## このリストの並び

このリストの上位には Opera Neon, Browserbase, Dia があります。順序は公開スコアで、広告枠ではありません。

## 比べる点

仕事、開始価格、結果を人がまだ承認するかを見てください。

- その製品が実際にやる仕事

- 公開価格、無料プラン、または明確な個別価格

- 顧客に届く前の確認

## この種のソフトウェアの用途

同じ手順が繰り返されるときに使います。判断は人が持ちます。

- デモの前に開始価格を見る

- 汎用チャットではなく、この仕事の製品を比べる

- 長いメモは製品ページで読む

## このリストの相手

仕事の中身が分かっていて、料金に日付のある製品を見たい人向けです。

## 公開されている開始価格

確認できた開始価格: Opera Neon ($19.90/mo (Dec 2025 price post)), Browserbase (Free, then $20/month), Dia ($20/month)。確認日は2026年10月5日。

## 選び方

まず仕事を合わせ、次に誰向けか、営業電話なしで始められるかを読んでください。

## 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コーディングエージェント

- AIエージェントを作るプラットフォーム

- おすすめのAIパーソナルアシスタント

## よくある質問

### おすすめのAIブラウザには何が入りますか

### 料金はベンダーの公開価格ですか

### 星評価やレビュー件数はありますか

## 採点方法

確認日 5 October 2026

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.
