Laguna S 2.1
Hacker ApprovedRanked 6 of 15 coding models by recommenders
Recommended as a fast, capable mixture-of-experts coding model that runs on home hardware; critics say it is weak outside coding and early releases had bugs.
Recommended as a fast, capable mixture-of-experts coding model that runs on home hardware; critics say it is weak outside coding and early releases had bugs.
55 people gave an opinion
- recommend it
- 43
- criticize it
- 12
- approval share
- 78%
Recommended in 4 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: recommended
- September 2026: recommended
- October 2026: recommended
- November 2026: not recommended (month in progress)
Why it carries the badge
- 43 people recommend itNeeds 10 or more, met.
- 3.6 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 4 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
Strong at coding specifically
“things like Laguna S2.1 NVFP4 gets really close of almost being there, when it comes to coding specifically”
Comment from 31 Jul 2026 in “The Session You Cannot take with you” “Really impressive signal that this 128B model can beat DeepSeek V4 (1.6T) on most coding benchmarks!”
Comment from 21 Jul 2026 in “Laguna S 2.1” “Works amazingly for coding, pretty bad for pretty much anything else.”
Comment from 8 Aug 2026 in “U.S. Department of Energy Launches the Genesis Open Models Initiative” - Comment from 3 Aug 2026 in “Qwen3.8-Max: A New Bar for Coding and Cowork”
Fast for its size
“This is really a sweet spot imo on this machine between maximizing ram use and still having decent speed due to the expert size.”
Comment from 22 Jul 2026 in “Laguna S 2.1” “it positively flies on an m5 max - the 60tok/s decode / ~500tok/s prefill is real.”
Comment from 23 Jul 2026 in “Laguna S 2.1” “seems to be on par (or better) than DeepSeek v4, is only 110B, and it's faster”
Comment from 8 Aug 2026 in “DeepSeek V4 Flash 0731” - Comment from 21 Jul 2026 in “Laguna S 2.1”
Cheap, rivals DeepSeek V4 Flash
“it seems to be a bit behind Meta Muse Spark 1.1 performance at approximately the Deepseek v4 Flash price point”
Comment from 22 Jul 2026 in “Laguna S 2.1” “I am SO impressed by this model! It's cheap as deepseek v4 flash, better than minimax m3 I would say”
Comment from 30 Jul 2026 in “Laguna S 2.1” “I think this is probably also stupider than laguna s 2.1 which can also be very cheap to serve”
Comment from 23 Sep 2026 in “Mercury 2.5 LLM hits 770 tokens per second” - Comment from 8 Aug 2026 in “DeepSeek V4 Flash 0731”
Size fits home hardware
“This is really a sweet spot imo on this machine between maximizing ram use and still having decent speed due to the expert size.”
Comment from 22 Jul 2026 in “Laguna S 2.1” “this is a real sweet spot I think in terms of model size and performance”
Comment from 21 Jul 2026 in “Laguna S 2.1” “Looks impressive, and this size fits achievable home hardware.”
Comment from 21 Jul 2026 in “Laguna S 2.1”
What people warn about
Each mark is one comment
Weak outside coding tasks
“Laguna and Muse Glimmer failed hard on it, though they're useful for other tasks.”
Comment from 15 Aug 2026 in “Qwen 3.8 27B is out: open weights, best local dense model yet” “Works amazingly for coding, pretty bad for pretty much anything else.”
Comment from 8 Aug 2026 in “U.S. Department of Energy Launches the Genesis Open Models Initiative” “Laguna and Muse Glimmer failed hard on it, though they're useful for other tasks”
Comment from 14 Aug 2026 in “Qwen 3.8 27B is out: open weights, best local dense model yet” - Comment from 22 Jul 2026 in “Laguna S 2.1”
Buggy releases and quantizations
“Laguna provided quants have some issues and they are reworking/updating them.”
Comment from 23 Jul 2026 in “Startup founders urge Trump not to shut off Chinese open weight AI” “Initially there were serious bugs, also about the templates”
Comment from 8 Aug 2026 in “U.S. Department of Energy Launches the Genesis Open Models Initiative” “There was an obvious problem in the original release, they re issued it after like a week with the reasoning looping supposedly fixed.”
Comment from 8 Aug 2026 in “U.S. Department of Energy Launches the Genesis Open Models Initiative” - Comment from 18 Aug 2026 in “Qwen 3.8 27B is out: open weights, best local dense model yet”
- Comment from 22 Jul 2026 in “Laguna S 2.1”
Memory hungry, slows at long context
“very memory hungry and PP speed drops off a cliff around 200k context”
Comment from 26 Jul 2026 in “Laguna S 2.1” “their latest updates means it doesn't quite fit a GB10 128GB anymore at full context which is a shame”
Comment from 21 Sep 2026 in “MiMo v2.6” Unreliable as an agent
“pretty bad as an agent - not proactive, would frequently stubbornly argue things that weren't true”
Comment from 8 Aug 2026 in “U.S. Department of Energy Launches the Genesis Open Models Initiative” “very comfortable for chatting, but still not usable for interactive agentic coding”
Comment from 23 Jul 2026 in “Laguna S 2.1” “the outputs so far aren't impressive, and it gets stuck and perseverates”
Comment from 29 Jul 2026 in “Show HN: Open-source engine running Gemma 4 26B in 2 GB RAM on any M-series Mac”
Other coding models people recommend
The four most recommended other coding 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 |
|---|---|---|---|---|---|---|
| Cursor Composer | 214 | 79 | 73% | 12 | 1 mo11 owners | Approved |
| Qwen3-Coder | 165 | 49 | 77% | 12 | 2 mo7 owners | Approved |
| GPT-5.3-Codex | 135 | 78 | 63% | 11 | 2 mo4 owners | — |
| Meta Muse Glimmer 30B | 70 | 18 | 80% | 3 | — | — |
| Laguna S 2.1This page | 43 | 12 | 78% | 4 | — | Approved |
What people said
40 of the 89 comments that mention it, newest first. Each links to the original comment.
“the Laguna architecture didn't lend itself to the same kind of dissection as Qwen3.8”
“I think this is probably also stupider than laguna s 2.1 which can also be very cheap to serve”
“their latest updates means it doesn't quite fit a GB10 128GB anymore at full context which is a shame”
“I wasn't blown away by its capabilities, it's also totally acceptable for many purposes”
“I found a couple of different 4-bit quantizations of Laguna S 2.1 that run pretty well with pretty big context”
“they borked the quants released with the main model and had to update the next day”
“Laguna and Muse Glimmer failed hard on it, though they're useful for other tasks.”
“Laguna and Muse Glimmer failed hard on it, though they're useful for other tasks”
“Another impressive recent model is Laguna S 1.2 .. about as good as DeepseekV4 in general but with more refined design sensibilties”
“For me Laguna frequently slightly corrupted text then it would be unable to notice the difference”
“Works amazingly for coding, pretty bad for pretty much anything else.”
“Initially there were serious bugs, also about the templates”
“seems to be on par (or better) than DeepSeek v4, is only 110B, and it's faster”
“pretty bad as an agent - not proactive, would frequently stubbornly argue things that weren't true”
“There was an obvious problem in the original release, they re issued it after like a week with the reasoning looping supposedly fixed.”
“pretty good (not frontier, but competitive with the tier 2 models)”
“laguna s 2.1 I think is the best ~100B moe model right now”
“things like Laguna S2.1 NVFP4 gets really close of almost being there, when it comes to coding specifically”
“I am SO impressed by this model! It's cheap as deepseek v4 flash, better than minimax m3 I would say”
“the outputs so far aren't impressive, and it gets stuck and perseverates”
“very memory hungry and PP speed drops off a cliff around 200k context”
“it positively flies on an m5 max - the 60tok/s decode / ~500tok/s prefill is real.”
“Laguna provided quants have some issues and they are reworking/updating them.”
“very comfortable for chatting, but still not usable for interactive agentic coding”
“Looks to be working fine, but too early to tell. Definitely likes to "think".”
“This is really a sweet spot imo on this machine between maximizing ram use and still having decent speed due to the expert size.”
“Seems quite literally they have bugs on the hardware I'm trying to run this with”
“impressed enough so far I'm going to see if it can replace my qwen3.6 27B usage”
“have only tested a few prompts, but it failed my favorite non-coding question”
“it seems to be a bit behind Meta Muse Spark 1.1 performance at approximately the Deepseek v4 Flash price point”
“Usually new model releases are plagued with issues at release though”
“Really impressive signal that this 128B model can beat DeepSeek V4 (1.6T) on most coding benchmarks!”
“once thinking is enabled, the code quality seems to be MUCH better”
“Looks impressive, and this size fits achievable home hardware.”
“this model is not a joke! Exciting, we already got a usable PR of work out of it.”
“Laguna S 2.1 (released today) just destroys Flash-Lite underly and completely.”
“It is doing good but at one point i had to stop it and say 'you're overthinking this' haha”
“Having played with it for like 3 hours now....I'm probably moving from CC to this”
“this is a real sweet spot I think in terms of model size and performance”
“MoE so it's fast on limited bandwidth systems like Strix Halo and DGX Spark”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.