Shortlist by what you need
Start here if you know why you are leaving Onyx.
Want the closest match?
Glean
Most similar to Onyx in what it does, its category and its price.
Visit (opens Glean in a new tab)Need a free plan?
iGPTHas a free plan, rated 3.6 out of 5.
Visit (opens iGPT in a new tab)Want to pay less than Onyx?
DashworksFrom $12/mo, against from $20/mo for Onyx.
Visit (opens Dashworks in a new tab)Want the best rated?
Sana AIRated 4.3 out of 5 in our review, against 4.2 for Onyx.
Visit (opens Sana AI in a new tab)
At a glance
Green means better than Onyx, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 OnyxBaseline | 4.2 | $20/mo | Yes | Open-source AI chat and enterprise search that connects to a team's documents, apps, and people. | |
| Glean | 4.3+0.1 | Not listed | No | Searches across every internal company tool at once, not a notes app | vs Onyx |
| Dashworks | 3.9−0.3 | $12/mo$8 less | No | AI workplace search that answers company questions by pulling from Slack, Jira, Drive, and other connected apps. | vs Onyx |
| iGPT | 3.6−0.6 | Free | Yes | Rebuilds a full email thread from scattered messages and cites its sources back to them. | vs Onyx |
| Sana AI | 4.3+0.1 | Not listed | No | Grew from an enterprise learning platform into a broader work AI tool | vs Onyx |
 Ayfie | 4.0−0.2 | Not listed | No | An enterprise AI search platform indexes a company's files, email, and systems to answer questions grounded in its own data. | vs Onyx |
 Baserow | 3.6−0.6 | Free | Yes | Kuma, Baserow's AI Assistant, builds your data structure from a plain-language description - open source, with AI Agents and MCP Server support for ChatGPT, Mistral, and Claude. | vs Onyx |
 Perfect Wiki | 4.1−0.1 | $12/mo$8 less | No | Knowledge base that lives inside Microsoft Teams and answers only from your own documents. | vs Onyx |
The alternatives in detail
In order of how closely each one matches Onyx.
Glean
4.3Not listed
vs Onyx+0.1
Searches across every internal company tool at once, not a notes app.
- Enterprise search across dozens of connected internal systems
- Permission-aware results respecting existing access controls
- AI agents that take action across connected systems
Genuinely searches across scattered systems rather than requiring migration
No free tier or transparent self-serve pricing
Dashworks
3.9$12/mo
vs Onyx$8 less−0.3
AI workplace search that answers company questions by pulling from Slack, Jira, Drive, and other connected apps.
- Unified search across Slack, Jira, Dropbox, HubSpot, Trello, and other connected apps
- Natural-language Q&A with a stated 87% internal-question automation rate
- Explore Mode for open-ended research across a company's indexed knowledge
Deep integration list covers the tools most internal teams already use daily
No permanent free plan, only a 14-day trial, unlike some open-source competitors
iGPT
3.6Free
vs Onyx−0.6
Rebuilds a full email thread from scattered messages and cites its sources back to them.
- Real-time email and attachment indexing
- Automatic thread reconstruction from scattered messages
- Hybrid semantic, keyword and filter retrieval
Cites responses back to the source email, not an unattributed summary
Indexes an organisation's most sensitive material by definition
Sana AI
4.3Not listed
vs Onyx+0.1
Grew from an enterprise learning platform into a broader work AI tool.
- Originated as an AI-powered corporate learning platform
- Broadened into knowledge search and meeting assistance
- Particular strength in structured training and onboarding content
Genuine depth in structured learning and training content specifically
No free tier or transparent self-serve pricing
Ayfie
4.0Not listed
vs Onyx−0.2
An enterprise AI search platform indexes a company's files, email, and systems to answer questions grounded in its own data.
- Unified index across document storage, email, collaboration tools, and databases
- Answers grounded in a company's own indexed data to reduce hallucinated responses
- GDPR-compliant, private-environment data handling with no external exposure
Answers grounded strictly in company data cut down on the hallucination risk of open-model search
No published pricing, every deployment requires a direct sales conversation
Baserow
3.6Free
vs Onyx−0.6
Kuma, Baserow's AI Assistant, builds your data structure from a plain-language description - open source, with AI Agents and MCP Server support for ChatGPT, Mistral, and Claude.
- Kuma AI Assistant - builds data structures from plain-language descriptions
- AI Field for integrated in-record data processing
- MCP Server and AI Agents for workflow automation
Multi-provider LLM support avoids lock-in to a single AI vendor
Enterprise pricing isn't detailed on the homepage
Perfect Wiki
4.1$12/mo
vs Onyx$8 less−0.1
Knowledge base that lives inside Microsoft Teams and answers only from your own documents.
- Installs as a Microsoft Teams channel tab
- Answers cited from internal documents only
- Semantic search across 28 languages
Sits where the questions are already being asked
Five-editor minimum puts the real floor at $60 a month
FAQ
Questions people ask
Is Onyx free?
Onyx has a free plan, and paid plans start from $20/mo.
What is the best free alternative to Onyx?
iGPT is the highest-rated alternative here with a free plan (3.6 out of 5). Other free options: Baserow.
What is the cheapest alternative to Onyx?
Among paid plans, Dashworks has the lowest starting price (from $12/mo). If you need it free, start with iGPT.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.