Kalibr
Shares rank 8 of 12 LLM routers by recommenders
Recommended for autonomous routing and observability of AI agent calls, with routing decisions visible in a dashboard rather than hidden inside an LLM.
Recommended for autonomous routing and observability of AI agent calls, with routing decisions visible in a dashboard rather than hidden inside an LLM.
7 people gave an opinion
- recommend it
- 7
- criticize it
- 0
- approval share
- 100%
Recommended in 1 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 7 people recommend itNeeds 10 or more, not met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 1 of 13 monthsNeeds 4 or more, not 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
Useful observability for agents
“we love that you're loving the agentic observability as well as routing”
Comment from 27 Jan 2026 in “Show HN: Kalibr – Autonomous Routing for AI Agents” “awesome tool for observation, been using it for a while”
Comment from 27 Jan 2026 in “Show HN: Kalibr – Autonomous Routing for AI Agents” “Awesome tool been using for a month or so now.”
Comment from 27 Jan 2026 in “Show HN: Kalibr – Autonomous Routing for AI Agents” Autonomous control plane for agents
“this feels less like a router and more like an autonomous control plane for agents”
Comment from 27 Jan 2026 in “Show HN: Kalibr – Autonomous Routing for AI Agents” “Autonomous control plane is the perfect way to describe Kalibr.”
Comment from 27 Jan 2026 in “Show HN: Kalibr – Autonomous Routing for AI Agents” Positive comments from users
“It's been amazing to build this product around you”
Comment from 27 Jan 2026 in “Show HN: Kalibr – Autonomous Routing for AI Agents” “Kalibr pretty much freed me from that loop.”
Comment from 27 Jan 2026 in “Show HN: Kalibr – Autonomous Routing for AI Agents” “Exactly the use case we had in mind.”
Comment from 27 Jan 2026 in “Show HN: Kalibr – Autonomous Routing for AI Agents” - Comment from 28 Jan 2026 in “Show HN: Kalibr – Autonomous Routing for AI Agents”
Other LLM routers people recommend
The four most recommended other LLM routers, 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.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| OpenRouter | 666 | 321 | 67% | 13 | 6 mo8 owners | Approved |
| OpenCode Zen | 36 | 16 | 69% | 12 | — | Approved |
| Cortecs | 9 | 2 | 82% | 6 | — | — |
| Amazon API Gateway | 9 | 9 | 50% | 5 | — | — |
| KalibrThis page | 7 | 0 | 100% | 1 | — | — |
What people said
13 of the 14 comments that mention it, newest first. Each links to the original comment.
“That's the goal. We see this as the vital infra layer that ennobles agents/MAS to reliably scale in prod.”
“Amazing tool, much needed.”
“If you build agents, try Kalibr for free to check out how well our routing works.”
“No LLM decision making means no black box around routing choices, it's all shown in your dashboard when you use Kalibr.”
“Exactly the use case we had in mind.”
“Kalibr pretty much freed me from that loop.”
“The Thompson Sampling + Wilson score combo is a pragmatic choice.”
“Autonomous control plane is the perfect way to describe Kalibr.”
“we love that you're loving the agentic observability as well as routing”
“this feels less like a router and more like an autonomous control plane for agents”
“awesome tool for observation, been using it for a while”
“It's been amazing to build this product around you”
“Awesome tool been using for a month or so now.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.