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SPECIFICTION
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Gemini vs Onyx

Gemini

gemini.google.com

Onyx

onyx.app

Side by side

FigureGeminiOnyx
Price fromFree$20/mo
Free planYesYes
Free trialYesYes
Open source—Yes
WebYesYes
WindowsYesYes
macOSYesYes
Linux—Yes
iOSYes—
AndroidYes—
APIYesYes
Self-hosted—Yes
Plans published113
Spec score · AI chatbots and assistants9.5 (#1)9.0 (#12)
Spec score · Knowledge Bots9.1 (#3)8.8 (#5)
Deep ResearchDeep Research can examine hundreds of live sources and produce a research report.Deep Research runs repeated reasoning, research and action cycles, can take several minutes and may consume more than ten times normal inference tokens.
File uploadsYesYes
Founded1998G2 lists Onyx AI as serving customers since 2023 and gives 2023 as its founding year.
Free planYesYes
Image generationYesYes
IntegrationsConnected Apps let Gemini work with selected apps, but availability varies by device, country, account and Gemini surface.The product advertises more than 50 synced connectors and names Slack, Google Drive, Confluence, Salesforce, GitHub and Jira among supported sources.
LicenceGemini itself is a proprietary Google service; the developer documentation separately licenses code samples under Apache 2.0.The Community Edition is free under the MIT license, while Enterprise Edition adds proprietary features for larger organizations.
Rating on G24.4 out of 5 from 635 reviews0.0 out of 5 from 0 reviews
Team workspaceYesYes
Web searchYesYes
What it doesGemini is Google's multimodal AI family and assistant for text, images, audio, video and code.Onyx connects organizational knowledge sources to chat, search, agents and AI workflows, acting as a context layer for people and agents.

Plans

Gemini

  • FreeFree
  • Google AI UltraPrice not published
  • FreeFree
  • Gemini API Free tierFree
  • Google AI Plus$4.99 a month
  • Google AI Pro$19.99 a month
  • Gemini Enterprise Business$21 a month
  • Gemini Enterprise Standard/Plus$30 a month
  • Google AI Ultra (5x)$99.99 a month
  • Google AI Ultra (20x)$199.99 a month

Gemini pricing →

Onyx

  • Business$20 a month
  • Community EditionFree
  • EnterprisePriced on request

Onyx pricing →

In their own words

Gemini

Gemini has no write-up on Specifiction yet; its figures are above.

Visit gemini.google.com

Onyx

Onyx connects enterprise knowledge so people and AI agents can use relevant context in answers. It searches indexed sources in parallel and presents documents while enforcing each source's permissions. More than 50 connectors sync connected tools in the background and support hybrid semantic and keyword search. The Business plan lists chat and search, major LLM access, custom agents, MCP/OpenAPI actions, web search, deep research, code interpreter, and image generation. Business costs $20 a month, billed annually at $20 per user per month, for teams of any size, with 40+ app connectors and Community Support. Onyx provides APIs for messages, agents, LLM management, actions, and user authentication. Slack integrations can provide responses and agents; Microsoft Teams and Zendesk are described as coming soon. Deployments can run in a customer's cloud or on bare metal, including on-premise and fully air-gapped environments. The site says documents and embeddings can remain in customer infrastructure, data is not used for training, and permissions are checked at query time. Native Windows, macOS, and Linux apps connect to an existing deployment.

Visit onyx.app