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ChatGPT vs NextPart AI
ChatGPT edges NextPart AI on our editorial score (4.2 vs 3.7), but ChatGPT is the stronger pick if you want live voice calls, while NextPart AI fits better if voice notes matter more.
0| ChatGPT0 | NextPart AI0 | |
|---|---|---|
| 編集スコア | 4.2 / 5 | 3.7 / 5 |
| 価格 | $20/mo | $6.99/mo |
| 価格帯 | $10–20/mo | Under $10/mo |
| 無料プラン | あり | あり |
| 価格の詳細 | Free tier available; Plus $20/mo, billed monthly only — the annual discount applies to Business seats, not Plus. Voice mode included. | Official /pricing (verified 2026-09-29): Premium $6.99/mo billed $83.88/yr; Deluxe $12.99/mo billed $155.88/yr. Annual billing displayed; no separate monthly-only price seen. |
| アダルトコンテンツ | No adult mode | Adult-first |
| 音声 | ライブ通話 | 音声メッセージ |
| 画像 | あり | あり |
| 動画 | あり | あり |
| 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 | Female companion, Male companion |
| プラットフォーム | Web, iOS, Android, Desktop | Web |
| ローカル動作 | なし | なし |
ChatGPT — 私たちの見解
Not built as a companion, but its memory and voice mode make it a legitimate daily chat partner.
- Best general reasoning and writing
- Strong voice mode
- Memory across conversations
NextPart AI — 私たちの見解
Subscription-plus-credits platform with voice and media generation; tier names vary by source, so verify at checkout.
- Voice messages and media generation
- Crypto payments
- Annual discount
ChatGPT vs NextPart AI — よくある質問
Which is cheaper, ChatGPT or NextPart AI?
NextPart AI is the cheaper of the two at $6.99/mo, against $20/mo for ChatGPT.
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?
ChatGPT: No adult mode. NextPart AI: Adult-first. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.