Notion 内蔵の AIアシスタント — 文書の作成・要約・ワークスペース検索、および連携データ上でのエージェント実行。
RAGメモリツール利用
Demo · hover to play
Mem Agents vs Otter.aiwhich AI personal agent should you pick in 2026?
Self-organizing memory agent that captures and surfaces what matters.
MemoryRAGTool use
AI meeting agent that transcribes, summarizes, and extracts action items from every conversation.
VoiceRAGMemory
Mem Agents vs Otter.ai — specs
| Spec | Mem Agents | Otter.ai |
|---|---|---|
| Agent Rank | 72 / 100 (A) | 72 / 100 (A) |
| Autonomy | Assistant | Assistant |
| Pricing | Freemium · from $10 | Freemium · from $16.99 |
| Open source | No | No |
| Capabilities | Memory, RAG, Tool use | Voice, RAG, Memory |
| Integrations | 3 apps | 4 apps |
| Verified | Verified | Verified |
| Released | Mar 2025 | Jan 2025 |
Agent Rank breakdown
Mem Agents
Agent Rank
72/ 100
- 自律性
- 7
- 機能
- 6
- 連携
- 6
- 料金
- 8
- 完成度
- 6
- 検証性
- 10
自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?
Otter.ai
Agent Rank
72/ 100
- 自律性
- 7
- 機能
- 6
- 連携
- 4
- 料金
- 8
- 完成度
- 8
- 検証性
- 10
自律性、機能、連携、料金、成熟度、編集部の検証を基に自動算出。デプロイごとに更新されます。 どのように算出されているか?
Pros & cons
Mem Agents
メリット
- +Self-organizing memory — surfaces what matters without manual tagging
- +Strong agent search across email, Slack, Drive
- +Cheap entry tier for a daily-driver knowledge layer
デメリット
- −Acts as memory, not action — pair with another agent for execution
- −Integration depth varies by app
- −Team features still maturing vs Notion / Mem.ai competitors
Otter.ai
メリット
- +Best real-time caption experience in 2026
- +Strong personal note-taking experience — review and study-friendly
- +Reasonable English transcription accuracy on noisy audio
デメリット
- −Weaker CRM integration than Fireflies for sales workflows
- −Limited language support (6 languages) vs Fireflies (60+)
- −Free tier is restrictive (30 min × 4 conversations)
Pricing
Mem Agents
Free
無料
Light use
- +1,000 memories
- +Standard search
おすすめ
Plus
$10/月
Daily users
- +Unlimited memories
- +Agent search
- +Integrations
Team
$20/席/月
Small teams
- +Shared memories
- +Workspace controls
Otter.ai
Basic
無料
Trial
- +30 min × 4 convos/mo
- +AI summary
おすすめ
Pro
$16.99/月
Individuals
- +1200 min/mo
- +Real-time captions
- +Custom vocabulary
Business
$30/席/月
Teams
- +6000 min/user
- +Team workspace
- +Admin features
Enterprise
カスタム
Larger orgs
- +SSO
- +OCR + advanced search
- +SOC 2
Which one should you pick?
Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick Mem Agents or Otter.ai in 2026?+
Pick Mem Agents if cost is the main constraint. Pick Otter.ai if its specific capabilities (Voice, RAG) match what you need. Most working teams running both can use Mem Agents for primary work and Otter.ai for the workflows where its specific strengths matter.
What's the price difference between Mem Agents and Otter.ai?+
Mem Agents starts at Freemium · from $10; Otter.ai starts at Freemium · from $16.99. Mem Agents is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, Mem Agents or Otter.ai?+
Both Mem Agents and Otter.ai are Assistant agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.
Readers comparing Mem Agents and Otter.ai also picked
Adjacent agents in the same category with overlapping capabilities — worth a side-by-side glance before you commit.
AIメールクライアント — 自然言語検索、要約、予約送信、受信トレイに基づくAI下書き返信を提供します。
RAGメモリツール利用Demo · hover to playセールスおよびCS向けの会話インテリジェンスAIエージェント — 通話の文字起こし、スコアリング、CRM同期を自動化します。
音声RAGメモリツール利用Demo · hover to play
See more alternatives: alternatives to Mem Agents · alternatives to Otter.ai
Want the real monthly cost at your volume? Run the TCO calculator →
← Build your own comparison