料金解説
Dia ブラウザは無料?
はい——Dia は無料でダウンロードできます。ただし AI チャットと Skills には上限があり、無制限で使うには月額 20 ドルの Dia Pro 契約が必要です。全貌と、本当に無料の代替案をご紹介します。
サブスクなし。macOS / Windows 対応。
Free download
AI chat & Skills capped
$20 / month
Unlimited AI & Skills
Free during beta
No AI paywall
簡潔な回答
ダウンロードは無料、上限なしで使うのは有料
Dia は Mac で無料ダウンロードでき、Windows はウェイトリスト制です。The Browser Company は 2025 年 8 月に Pro プランを導入し、月額 20 ドルで AI チャットと Skills が使い放題になります。無料ユーザーもブラウジングはできますが、AI 使用量が一定を超えると制限されます。
出典:Dia 公式サイト、TechCrunch 報道、コミュニティ議論。
比較
Dia 無料版 vs Dia Pro vs Tabbit
AI ブラウザを選ぶ際に重要なポイントで 3 つの選択肢を比較します。
| 能力 | Dia 無料版 | Dia Pro | Tabbit |
|---|---|---|---|
| Download price | Free | Free | Free |
| AI chat & Skills | Capped | Unlimited | Free during public beta |
| Agentic automation | Limited | Full | Full |
| Top AI models | Base model access | Priority / unlimited | GPT, Claude, Gemini, DeepSeek, Kimi, Qwen & more |
| Tab management | Smart groups | Smart groups | Vertical tabs + smart workspaces |
| Platforms | Mac (Windows waitlist) | Mac (Windows waitlist) | macOS & Windows |
注意点
Dia 無料版で失うもの
The free tier is enough for light browsing, but power users quickly hit the ceiling. These are the main limitations free users report.
AI usage caps
After a certain number of AI chats or Skills runs, free users are prompted to upgrade or face slower responses.
No unlimited Skills
Automated multi-step workflows and advanced agentic actions are restricted unless you subscribe.
Fewer model choices
Premium or higher-context models may be reserved for Pro subscribers.
Uncertain future limits
The Browser Company has signaled plans for subscription tiers from $5 to hundreds of dollars per month.
なぜ Tabbit か
Dia に代わる優れた無料選択肢
Tabbit is an AI-native browser that is free to use during public beta — no subscription, no invite code, and no artificial caps on AI features.
Truly free AI browser
Agent mode, multi-model chat, Skills, vertical tabs, and workspaces are available without a paywall.
More model freedom
Switch between GPT, Claude, Gemini, DeepSeek, Kimi, Qwen, GLM, and MiniMax without leaving your tabs.
Built for automation
Describe a task and let Tabbit navigate, fill forms, extract data, and deliver results across websites.
Zero migration cost
Import bookmarks, passwords, history, and extensions from Chrome, Edge, or Safari in one click.
FAQ
Dia の料金に関するよくある質問
Is Dia browser completely free?+
Dia is free to download and use for basic browsing. However, AI-powered features like chat and Skills are capped on the free plan.
How much does Dia Pro cost?+
Dia Pro is priced at $20 per month and includes unlimited AI chat and Skills. The company has also hinted at future tiers ranging from $5 to higher prices.
What are the limits of Dia Free?+
Free users report caps on AI chat volume and Skill execution, plus slower or restricted access to advanced models once the limit is reached.
Is Tabbit really free?+
Yes. Tabbit is free to download during public beta for macOS and Windows, and core AI features are not locked behind a subscription.
How does Tabbit compare to Dia?+
Both are AI-native browsers, but Tabbit offers broader platform support, more model choices, and currently no AI usage paywall.
Should I upgrade to Dia Pro or switch to Tabbit?+
If you want unlimited AI today without a monthly fee, Tabbit is the stronger free alternative. If you prefer Dia's interface and are willing to pay $20/mo, Dia Pro removes the caps.
Which platforms does Dia support?+
Dia is currently available on Mac, with a Windows waitlist. Tabbit supports both macOS and Windows right now.
Does Dia have a free trial for Pro?+
Dia's Pro plan is a paid subscription. Check the latest Dia settings page for any trial offers, as policies can change.

賢くブラウジングするために支払う必要はない
今すぐ Tabbit をダウンロードし、サブスクなしのフル機能 AI ブラウザを使いましょう。