Kolibri by Aleph Alpha
Ranked 21 of 39 open-weight language models by recommenders
Open-weight Apache 2.0 model from Aleph Alpha that people praise for openness, offline-friendly use and strong benchmarks. Critics say it trails Qwen models, is heavy to run locally, and overthinks.
Open-weight Apache 2.0 model from Aleph Alpha that people praise for openness, offline-friendly use and strong benchmarks. Critics say it trails Qwen models, is heavy to run locally, and overthinks.
46 people gave an opinion
- recommend it
- 33
- criticize it
- 13
- approval share
- 72%
Recommended in 2 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: 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: recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 33 people recommend itNeeds 10 or more, met.
- 2.5 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 2 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
Open weights under Apache 2.0
“the depth of the tech report shows that they a serious about openness”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “That's the beauty of Apache 2.0! People can just serve it :)”
Comment from 6 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “It's the first time I see this level of openness.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” - Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model”
Works well in everyday testing
“It's been surprisingly good at the things I threw at it”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “Im surprised by how well this works.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “that is exactly the capability you need for these kinds of use-cases”
Comment from 4 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” Offline-first for areas without internet
“designed to be deployed in communities that lack consistent access to the public internet”
Comment from 9 Mar 2026 in “Ask HN: What Are You Working On? (March 2026)” “we do a lot of work to make an offline first education platform”
Comment from 22 Mar 2026 in “Project Nomad – Knowledge That Never Goes Offline” “You can use Kiwix, OpenStreetMap and Kolibri as an AI-free equivalent.”
Comment from 22 Mar 2026 in “Project Nomad – Knowledge That Never Goes Offline” Strong benchmark results
“The benchmarks are impressive given the problem space they are working in.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “This model isn't terrible , at least on the benchmarks.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “Kolibri performs very well in our evaluation”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” - Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model”
What people warn about
Each mark is one comment
Trails Qwen models on benchmarks
“The absence of any comparison to Qwen3.8 Flash, another MoE model with a small-ish (6B) number of active parameters, is pretty striking.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “Qwen3.8 27B beats Kolibri 79.9 vs 70.8 in German in Kolibri's harness on Kolibri's benchmark.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “Qwen 3.8 27B beats Kolibri on nearly every single benchmark.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” - Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model”
Needs fp16, too big for consumer hardware
“they only have fp16 which won't fit on my Mac”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “Interesting they recommended high end software without considering quant 4 or 8”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” Overthinks and wastes tokens
“spends way too many tokens on overthinking stuff”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “It can't seem to think things through by itself and then make more tool calls to fetch more information.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” Sovereignty claims undermined by backers
“With Schwarz, Cohere, SAP, NVIDIA and the like as backers society can’t have souvereignty in any meaningful way.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model” “I think it’s a safe assumption that they’re leaning into “sovereign” because performance is bad.”
Comment from 3 Oct 2026 in “Kolibri: A Sovereign Open-Weight Model”
Other open-weight language models people recommend
The four most recommended other open-weight language models, 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 |
|---|---|---|---|---|---|---|
| Qwen 3.8 27B | 1,173 | 426 | 73% | 13 | 2 mo32 owners | Approved |
| Z.ai GLM | 1,043 | 384 | 73% | 13 | 2 mo52 owners | Approved |
| Kimi | 931 | 359 | 72% | 13 | 1 mo26 owners | Approved |
| Gemma 4 | 713 | 249 | 74% | 13 | 1 mo14 owners | Approved |
| Kolibri by Aleph AlphaThis page | 33 | 13 | 72% | 2 | — | — |
What people said
40 of the 51 comments that mention it, newest first. Each links to the original comment.
“That's the beauty of Apache 2.0! People can just serve it :)”
“that is exactly the capability you need for these kinds of use-cases”
“Awesome work. The work truly needs it!”
“We believe this size and sparsity allows achieving great inference throughput at reasonable levels of intelligence.”
“Good initiative on the sovereignty front though.”
“This was really pleasant to read — especially so for the presentation of a new model.”
“the depth of the tech report shows that they a serious about openness”
“With Schwarz, Cohere, SAP, NVIDIA and the like as backers society can’t have souvereignty in any meaningful way.”
“It can't seem to think things through by itself and then make more tool calls to fetch more information.”
“I sure hope no one actually uses this as part of any aerospace engineering”
“Kolibri performs very well in our evaluation”
“78B MoE with A3.6B is a very nice size.”
“It'll catchup within a year.”
“It's the first time I see this level of openness.”
“We spent considerable time and effort to go beyond just translating.”
“They were very aware of the dangers of such an approach.”
“It's been surprisingly good at the things I threw at it”
“it's actually a good model that also works well on coding and agentic tasks”
“it is trained to say "I don't know" when the answer isn't in the context.”
“We're just happy to share a European alternative in the small model space”
“Qwen 3.8 27B beats Kolibri on nearly every single benchmark.”
“they only have fp16 which won't fit on my Mac”
“This alone makes it much more valuable than many high-profile releases”
“This thing is worse than a Qwen3.8 27B.”
“Qwen3.8 27B beats Kolibri 79.9 vs 70.8 in German in Kolibri's harness on Kolibri's benchmark.”
“I think it’s a safe assumption that they’re leaning into “sovereign” because performance is bad.”
“This model isn't terrible , at least on the benchmarks.”
“Thank you Aleph Alpha team for making it open.”
“Im surprised by how well this works.”
“The absence of any comparison to Qwen3.8 Flash, another MoE model with a small-ish (6B) number of active parameters, is pretty striking.”
“not every use-case is coding a SV-style startup app. That market is quite saturated, so it would make sense to create something locally”
“good at reading German documents and reasoning over them”
“Was expecting that a "sovereign" AI model would at least use their own sovereign language (German) on the website as one of the options.”
“The benchmarks are impressive given the problem space they are working in.”
“being trained to say "I don't know" instead of misleadingly talking confidently about what it does not know is interesting in itself”
“Interesting they recommended high end software without considering quant 4 or 8”
“spends way too many tokens on overthinking stuff”
“You can use Kiwix, OpenStreetMap and Kolibri as an AI-free equivalent.”
“we do a lot of work to make an offline first education platform”
“designed to be deployed in communities that lack consistent access to the public internet”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.