Home / 比較
Character.AI vs Open WebUI
Character.AI edges Open WebUI on our editorial score (4.4 vs 4.2), but Character.AI is the stronger pick if you want live voice calls, while Open WebUI fits better if voice notes matter more.
0| Character.AI0 | Open WebUI0 | |
|---|---|---|
| 編集スコア | 4.4 / 5 | 4.2 / 5 |
| 価格 | $7.92/mo | Free |
| 価格帯 | Under $10/mo | Free |
| 無料プラン | あり | あり |
| 価格の詳細 | c.ai+ $9.99/mo or $94.99/yr (~$7.92/mo). Free chat is unlimited but carries ads, a daily swipe cap and a Charms currency. A cheaper (c.ai) lite tier exists but its price varies by region. | Free and open-source; self-host via Docker/pip. An enterprise tier exists but consumer use is free. |
| アダルトコンテンツ | No adult mode | No adult mode |
| 音声 | ライブ通話 | 音声メッセージ |
| 画像 | あり | あり |
| 動画 | なし | なし |
| 記憶 | あり | あり |
| カスタムキャラクター | あり | あり |
| コンパニオンの種類 | Any character | Any character |
| プラットフォーム | Web, iOS, Android | Web |
| ローカル動作 | なし | あり |
Character.AI — 私たちの見解
The default starting point: unmatched variety and the most generous free tier in the category.
- 20M+ community characters
- Unlimited free text chat
- Best-in-class prose quality
Open WebUI — 私たちの見解
The power-user pick: run any model locally or in the cloud with zero data retention and full control.
- Zero data retention when self-hosted
- Any model via Ollama/OpenAI-compatible APIs
- Huge community sharing prompts and tools
Character.AI vs Open WebUI — よくある質問
Which is cheaper, Character.AI or Open WebUI?
Open WebUI is the cheaper of the two at Free, against $7.92/mo for Character.AI.
Which one has a free tier?
Both do — you can try either without paying.
Which remembers conversations better?
Both keep context across sessions. The practical difference is elsewhere: voice support differs between them.
Which handles adult content differently?
Character.AI: No adult mode. Open WebUI: No adult mode. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.