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Onyx

Ranked 2 of 9 chat interfaces by recommenders

Open-source AI chat platform praised for enterprise security, SSO, many connectors and a polished UX. Critics say it uses a lot of resources and install size.

Open-source AI chat platform praised for enterprise security, SSO, many connectors and a polished UX. Critics say it uses a lot of resources and install size.

49 people gave an opinion

recommend it
32
criticize it
17
approval share
65%
Each figure is one person. RecommendsCriticizes

Recommended in 9 of 13 months

  1. November 2025: recommended
  2. December 2025: not recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 32 people recommend itNeeds 10 or more, met.
  • 1.8 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 9 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Open-source MIT version used widely

    “MIT == OpenSource. Pricing == Sustainable. That's a horse worth backing IMO.”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “the chat product should be completely open-source and free (forever)”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “Most deployments of Onyx are using the pure FOSS version of Onyx.”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”
  • Connectors and RAG drive adoption

    “Larger connector suite. As soon as one key source isn't connected, the trustworthiness of the system is dramatically decreased.”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “RAG + connectors is a huge reason why people deploy Onyx”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “This has both APIs as well as connectors.”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”
  • Enterprise security with polished UX

    “It’s rare to see an open-source AI platform nail both enterprise-grade security (RBAC, SSO, 40+ connectors) and a truly polished UX.”

    Comment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “rare to see an open-source AI platform nail both enterprise-grade security (RBAC, SSO, 40+ connectors) and a truly polished UX”

    Comment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”
  • Flexible, no model lock-in

    “Outside of pure security, we've seen many choose Onyx for flexibility + connectedness.”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “No model lock-in / ability to use the ideal model for each use case.”

    Comment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

What people warn about

Each mark is one comment

  • Heavy resource and install footprint

    “All of those services take up a lot of resources, especially compared to the alternatives.”

    Comment from 27 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “I understand that a Vector database requires significant resources to run, but I wish there was a version without it.”

    Comment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “what's with the trend of open source projects providing such bloated installs?”

    Comment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”
  • Crowded field of alternatives

    “Something like this has a very limited shelf life as a product”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “there's a million other project just like this one, many that are much more advanced and mature”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”
  • Name clashes with ONNX

    “although spelled differently onyx vs onnx, that's already used and known in the ML/AI community?”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “That the pronunciation is identical makes it untenable, you really need to reconsider the name”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”
  • Questioned licensing and open-source claims

    “If you tack on these faux-pen source VC licenses and complicate things, you're signaling dishonesty and dark patterns.”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

    “What is it with these Chat apps having strange and not-real open source licenses?”

    Comment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

Other chat interfaces people recommend

The four most recommended other chat interfaces, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Onyx compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Open WebUI713766%123 mo3 owners—
OnyxThis page321765%9——
Mozilla Thunderbolt215129%6——
LibreChat12286%7—Approved
SillyTavern8467%6——
See all 9 chat interfaces, ranked

What people said

40 of the 67 comments that mention it, newest first. Each links to the original comment.

“via Onyx AI, which I also have running with everything else on local box running microK8s”

MixedComment from 8 Sep 2026 in “Jellyfin 12.0”

“if you hook up a local model to GPT Researcher or Onyx frontend, you will see reasonable performance”

RecommendsComment from 5 Feb 2026 in “Claude Code: connect to a local model when your quota runs out”

“All of those services take up a lot of resources, especially compared to the alternatives.”

MixedComment from 27 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“I have been using onyx for years and quite happy with it.”

RecommendsComment from 27 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“i don't think lock-in is relevant at all unless the activity performed with the tool is highly strategic to the company”

MixedComment from 27 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“what's with the trend of open source projects providing such bloated installs?”

CriticizesComment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“in our internal benchmarks they compare pretty favorable to the native versions”

RecommendsComment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“No model lock-in / ability to use the ideal model for each use case.”

RecommendsComment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“I understand that a Vector database requires significant resources to run, but I wish there was a version without it.”

CriticizesComment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“rare to see an open-source AI platform nail both enterprise-grade security (RBAC, SSO, 40+ connectors) and a truly polished UX”

RecommendsComment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“It’s rare to see an open-source AI platform nail both enterprise-grade security (RBAC, SSO, 40+ connectors) and a truly polished UX.”

RecommendsComment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“so something like "find me all the open source chat options" will work well with Onyx, but not so well with other options”

RecommendsComment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“We have a number of users who do something like that”

RecommendsComment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“It's never too late to refine a common idea and take it to the next level.”

RecommendsComment from 26 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“For an AI-powered research assistant, Onyx might just work out of the box.”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“Not wanting to use Vercel is honestly a good enough reason”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“the chat product should be completely open-source and free (forever)”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“Look neat. FYI clicking "See All Connectors" is a 404.”

MixedComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“"Agents" is a particular area where we feel like we're better than the alternatives”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“Your _See All Connectors_ button on the homepage is 404ing.”

MixedComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“Larger connector suite. As soon as one key source isn't connected, the trustworthiness of the system is dramatically decreased.”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“This has both APIs as well as connectors.”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“Something like this has a very limited shelf life as a product”

MixedComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“That the pronunciation is identical makes it untenable, you really need to reconsider the name”

CriticizesComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“If you tack on these faux-pen source VC licenses and complicate things, you're signaling dishonesty and dark patterns.”

CriticizesComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“There's no license restriction on white-labeling, so we've seen lots of companies do that.”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“Outside of pure security, we've seen many choose Onyx for flexibility + connectedness.”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“I've never heard anyone say that hooking up 3rd party llms to anything was any way secure.”

MixedComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“many large (>1k+) teams using just the open-source version”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“MIT == OpenSource. Pricing == Sustainable. That's a horse worth backing IMO.”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“What is it with these Chat apps having strange and not-real open source licenses?”

CriticizesComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“will work well with Onyx, but not so well with other options”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“although spelled differently onyx vs onnx, that's already used and known in the ML/AI community?”

CriticizesComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“It's nice to see a competitor in the field following similar "OSS Friends" principles”

MixedComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“Our goal is to make sure Onyx is the most advanced and mature option out there.”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“I hear good things about Onyx and I have heard that some enterprises are already using it”

MixedComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“there's a million other project just like this one, many that are much more advanced and mature”

CriticizesComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“RAG + connectors is a huge reason why people deploy Onyx”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“it was clearly full of features ticked off a list that nobody has actually tried to use”

MixedComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

“Most deployments of Onyx are using the pure FOSS version of Onyx.”

RecommendsComment from 25 Nov 2025 in “Launch HN: Onyx (YC W24) – Open-source chat UI”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.