Glean vs Otter.ai
A detailed side-by-side comparison to help you choose the right AI productivity agent for your needs.
Glean
Glean is the leading enterprise AI work assistant — a search-and-answer engine that indexes your company's entire content footprint (Slack, Google Drive, Confluence, Notion, Jira, GitHub, Salesforce, ...
- Indexes 100+ enterprise apps with permission-aware retrieval
- Glean Assistant: chat with your company's entire knowledge
- Glean Protect: real-time DLP + sensitive-data classification
- Glean Agents: build custom AI workflows on company data
- Cross-app search results sorted by personal relevance
- Permission-aware retrieval — no data-leakage risk across employees
- 100+ integrations cover most enterprise stacks out of the box
- Cited answers ground AI in your actual company knowledge (not hallucinated)
- Premium pricing — typical mid-market commitments start ~$30-50/employee/year
- Sales-led with no transparent pricing or self-serve trial
Otter.ai
Otter.ai is the most-used AI meeting transcription platform — it auto-joins your Zoom / Google Meet / Microsoft Teams calls, transcribes in real-time with speaker identification, generates summaries w...
- Auto-join Zoom / Google Meet / Microsoft Teams calls
- Real-time transcription with speaker identification
- AI summaries + action items extraction
- OtterPilot autonomous meeting assistant
- MEDDIC sales qualification auto-extraction
- Most polished auto-join experience across Zoom / Meet / Teams
- Default choice for sales teams — extensive CRM integration depth
- 9M+ users = mature product with reliable transcription quality
- Auto-join into meetings raises consent / privacy concerns (some companies block)
- MEDDIC + advanced sales features gated to Business tier ($20+/seat)
Verdict: Glean vs Otter.ai
Pick Glean if you need ai-powered enterprise workplace search across slack, gdrive, jira, and 100+ apps. Pick Otter.ai if you need meeting transcription with auto-join and crm sync.
Glean supports 3 models.
Glean integrates with 13 platforms.
Who should buy this
Glean
- Mid-market or enterprise CIO / CTO consolidating internal AI search
- Knowledge worker drowning in Slack threads + scattered docs across 20+ apps
- IT / security org wanting AI search WITH permission enforcement (not retroactive cleanup)
- SMBs and startups (cost prohibitive — ChatGPT Team or Notion AI fit better)
- Teams not on a sprawling app stack (Glean shines with 10+ data sources)
Enterprise per-employee licensing — typically $30-50/employee/year (mid-market) to $100+/employee/year (large enterprise). Glean Protect + Agents are additional.
Verified 2026-05-03
Otter.ai
- Sales rep wanting every customer call captured + auto-extracted into CRM
- Customer success manager tracking renewal and expansion conversations
- Educator / journalist who needs lecture / interview transcripts
- Healthcare org needing HIPAA-compliant meeting notes
- Privacy-conscious teams (auto-join meetings raises consent issues)
- Buyers wanting on-prem or fully-private transcription (cloud-only)
Solo: free 300 min/mo or $8.33/seat Pro (annual). Sales team: $19.99/seat Business. Healthcare / regulated: Enterprise (BAA available).
Verified 2026-05-06
Capabilities at a glance
| Capability | Glean | Otter.ai |
|---|---|---|
| 100+ enterprise app integrations | — | |
| Permission-aware retrieval | Inherits source ACLs | — |
| Cited / sourced AI answers | — | |
| Glean Protect (DLP + sensitive-data) | Add-on | — |
| Glean Agents (custom workflows) | Add-on | — |
| Slack / Teams native apps | — | |
| Public API | — | |
| On-prem / self-hosted | VPC deployment for select customers | — |
| Auto-join Zoom / Meet / Teams | — | |
| Real-time transcription with speaker ID | — | |
| AI summaries + action items | — | |
| OtterPilot autonomous assistant | — | Pro+ |
| MEDDIC sales auto-extraction | — | Business+ |
| Salesforce / HubSpot CRM sync | — | Business+ |
| HIPAA compliance + BAA | — | Enterprise |
Security & compliance
| Standard / control | Glean | Otter.ai |
|---|---|---|
| SOC 2 | Type II | Type II |
| ISO 27001 | — | |
| HIPAA | ||
| GDPR | ||
| SSO / SAML | ||
| RBAC | ||
| Audit logs | ||
| Trains on customer data | No | — |
What users say
Glean
Plaid, Pinterest, Redis, Zapier, Databricks, Webflow, Grammarly, Duolingo, WealthSimple, Citi, Intuit, Samsung, Booking.com, Instacart, Zillow, Rivian, Samsara
Otter.ai
Stanford, MIT, Vox Media, Zoom (uses Otter on Zoom)
Frequently asked questions
What AI models do Glean and Otter.ai use?+
Glean runs on GPT-4 family, Claude family, Glean proprietary retrieval models. Otter.ai runs on Otter speech-to-text models, GPT-4 family for summarization.
What is the main difference between Glean and Otter.ai?+
Glean is positioned as best ai-powered enterprise workplace search across slack, gdrive, jira, and 100+ apps, while Otter.ai is positioned as best ai meeting transcription with auto-join and crm sync. Pick the one whose strength aligns with your primary use case.
Which has better integrations, Glean or Otter.ai?+
Glean integrates with Slack, Microsoft Teams, Google Drive, Notion and 9 more. Otter.ai integrates with Zoom, Google Meet, Microsoft Teams, Salesforce and 3 more.
What are the main weaknesses of Glean and Otter.ai?+
Glean's main drawback: premium pricing — typical mid-market commitments start ~$30-50/employee/year. Otter.ai's main drawback: auto-join into meetings raises consent / privacy concerns (some companies block).
Are Glean and Otter.ai worth it in 2026?+
Both remain competitive productivity options in 2026. Glean stands out for permission-aware retrieval — no data-leakage risk across employees. Otter.ai stands out for most polished auto-join experience across zoom / meet / teams. Choose based on which trade-offs fit your workflow and budget.