ChatGPT vs Glean
ChatGPT uniquely has 13 features · Glean uniquely has 8 features.
| ChatGPT | Glean | |
|---|---|---|
| Company | ||
| Founded | 2022 | 2019 |
| HQ | San Francisco, USA | San Francisco, CA, USA |
| AI model | GPT-5.5 Instant (default), GPT-5.6 (Plus and above) | Multi-model (supports 100+ LLMs including GPT-4, Claude, Gemini, and others via Model Hub) |
| User base | 900M+ weekly active users (February 2026) | Millions of enterprise users (customers include Booking.com 14k employees, Ericsson 20k+ employees, Zillow, GCash, TIME) |
| Platforms | Desktop, Web, Mobile | Web, iOS, Android, Chrome Extension, Slack, Microsoft Teams |
| Languages | 50+ | 25+ |
| Pricing | ||
| Pricing model | Freemium | — |
| Free plan | Yes | No |
| Free trial | No | Yes |
| Starting price | $8/mo | — |
| Enterprise | $20/user/mo annually or $25/user/mo monthly (ChatGPT Business, 2-user minimum) | Custom pricing — contact sales |
| Refund policy | Cancellations take effect at end of billing period; refund eligibility depends on purchase channel, timing, and regional law | — |
| All plans | Go$8/moPlus$20/moPro$100/moBusiness$20/user/moEnterpriseCustom | — |
| Positioning | ||
| Best for | Trying ChatGPT (Free), longer conversations (Go), advanced work and productivity (Plus), research and coding (Pro) | Enterprise teams seeking AI-powered workplace search and knowledge management |
| Differentiator | Tiered access to GPT-5.5 and GPT-5.6 models with advanced reasoning on higher plans; native image generation and data analysis | Trusted answers grounded in company data with turnkey AI ecosystem implementation on one centralized platform |
| Competitors | Google Gemini, Microsoft Copilot, Claude (Anthropic), Perplexity AI, Meta AI | Microsoft Copilot, Notion AI, Guru, Coveo, Elasticsearch, Perplexity for Enterprise, Moveworks |
| Features | ||
| AI Powered Search | — | ✓ |
| Agent/Workflow Capabilities | — | ✓ |
| Codex Access | ✓ | — |
| Custom Gpts | ✓ | — |
| Custom Data Sources | — | ✓ |
| Deep Research | ✓ | — |
| Google Calendar Connector | — | ✓ |
| Hundreds of Direct Connectors | — | ✓ |
| Image Generation | ✓ | — |
| Memory & Context | ✓ | — |
| Memory and Context | ✓ | — |
| Scheduled Tasks | ✓ | — |
| Zapier Integration | — | ✓ |
| AI Assistant | ✓ | ✓ |
| Browser Extension | ✓ | ✓ |
| Calendar Integration | ✕ | — |
| Document Creation | ✓ | ✓ |
| Email Management | ✓ | — |
| Meeting Summary | ✓ | — |
| Mobile App | ✓ | ✓ |
| Note Taking | ✓ | — |
| Offline Mode | ✕ | ✕ |
| Presentation Builder | ✓ | — |
| Project Management | ✕ | ✓ |
| Research Assistant | ✓ | ✓ |
| Spreadsheet AI | ✓ | — |
| Task Automation | ✓ | ✓ |
| Team Collaboration | ✓ | ✓ |
| Integrations | ||
| API Access | ✓ | ✓ |
| Browser Extension | ✓ | ✓ |
| Google Calendar | ✕ | — |
| Google Drive | ✓ | ✓ |
| Key Integrations | OpenAI API, Zapier, DALL·E 3, Bing Search, Wolfram Alpha, code interpreter, custom GPT plugins/Actions, Slack (via third-party) | Slack, Google Drive, Jira, Confluence, SharePoint, GitHub, Salesforce, plus 100+ connectors via Connectors platform |
| Microsoft 365 | ✕ | ✓ |
| Slack Integration | ✓ | ✓ |
| Zapier | ✓ | — |