Reasonix
Shares rank 18 of 58 coding agents by recommenders
Recommended for cutting costs of long DeepSeek sessions via cache-friendly design; the most common caveat is a rough terminal interface.
22 people recommended Reasonix in Hacker News comments, 3 had mixed feelings and 19 criticized it, November 2025 to October 2026.
Summary written by Claude from 56 comments. It was written before the November 2026 recount, and 55 of those comments still count.
44 people gave an opinion
- recommend it
- 22
- mixed feelings
- 3
- warn against or regret it
- 19
The record
Recommended in 6 of 12 months
In 41 different threads.
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: recommended
- June 2026: recommended
- July 2026: recommended
- August 2026: recommended
- September 2026: recommended
- October 2026: not recommended
Why it doesn’t carry the badge
- 22 people recommend itNeeds 10 or more, met.
- 1.1 recommenders for every criticNeeds 2 to 1 or better, not met.
- Recommended in 6 of 12 monthsNeeds 4 or more, met.
- Recommended in 41 threadsNeeds 5 or more, met.
- The biggest thread supplies 32% of its recommendersNeeds half or less, met.
The same rules apply to every product, and the badge can’t be bought. Mixed feelings count toward neither side. How the badge works
What people say about it
Reasons grouped from a sample of 40 of the 72 opinions about it, picked in proportion to how many people recommend it, have mixed feelings and criticize it. Each mark is one comment in the sample. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Near-free requests from cache hits
“Migrating my workflow to Reasonix with cache hits on Deepseek make requests practically free”
Comment from 12 Jul 2026 in “Migrating a production AI agent to GPT-5.6: 2.2x faster, 27% cheaper” “Reasonix + Deepseek is mostly cache hits when I let it grind on it for a long time”
Comment from 29 Jul 2026 in “Boris Cherny says "delete your Claude.md every 6 months"” “with Reasonix, DeepSeek is free real estate. Seems to just go and go for pennies.”
Comment from 18 Jul 2026 in “The Kimi K3 Moment” - Comment from 3 Jul 2026 in “Superpowers 6”
- Comment from 2 Jul 2026 in “Kimi K2.7 Code is generally available in GitHub Copilot”
- Comment from 20 Jul 2026 in “Stop Using OpenCode”
- Comment from 30 Jun 2026 in “Claude Code Is Steganographically Marking Requests”
- Comment from 11 Jul 2026 in “Inference Optimization for MiMo v2.5: Pushing Hybrid SWA Efficiency to the Limit”
- Comment from 3 Aug 2026 in “Show HN: NixOS-DGX-Spark – Nix and NixOS on the DGX Spark”
Designed around DeepSeek's prefix caching
“Using an agent harness tuned specifically for their caching (Reasonix) pushes the cached tokens to 97-99%”
Comment from 6 Jul 2026 in “Price per 1M tokens is meaningless” “I recommend their Reasonix harness strongly, due to its alignment to DeepSeek's prefix cache”
Comment from 23 Sep 2026 in “The current balance of power in open models” “an excellent CLI harness that is designed around maximizing cacheability of DeepSeek models”
Comment from 1 Jul 2026 in “Qwen 3.6 27B is the sweet spot for local development” - Comment from 21 Jul 2026 in “Kimi K3 Is Competitive with Fable; Kimi K3 and Fable Is SoTA”
- Comment from 2 Jul 2026 in “Kimi K2.7 Code is generally available in GitHub Copilot”
- Comment from 3 Jul 2026 in “Jamesob's guide to running SOTA LLMs locally”
Cheap for heavy use
“I worked all weekend and the past few days, billions of tokens, I still have 3 bucks left!”
Comment from 12 Aug 2026 in “DeepSeek V4 Pro 0813” “With reasonix or pi, I can code all day long and pay a few pennies for it.”
Comment from 31 Jul 2026 in “DeepSeek V4 Flash 0731 Intelligence, Performance and Price Analysis” “it shows how much money you've spent at all times, it's fast”
Comment from 5 Aug 2026 in “Antigravity 2.0” Good for DeepSeek models
“using Deepseek through an American provider with reasonix as the harness”
Comment from 9 Jul 2026 in “GPT-5.6” “through OpenRouter and Reasonix for pretty much everything”
Comment from 16 Jun 2026 in “Running local models is good now” “It's probably good, and the best for Deepseek models”
Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions”
What people warn about
Each mark is one comment
Not official; little differentiation
“It's not Deepseek's official harness, and going direct with deepseek using ur own harness is stupid cheap”
Comment from 19 Jul 2026 in “Qwen3.8 is launching and going open-weight soon” “i cant find anything substantiated in the code that actually differentiates it from any other harness”
Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions” “why would anyone waste time on such 3rd party toy when official one is coming probably in weeks”
Comment from 25 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions” - Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions”
- Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions”
Seen as vibe-coded AI slop
“it contributes to the problem of each person vibe-coding their own, incompatible, half-baked tool in a space”
Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions” “Another day, another vibeslopped "product" on the front page of hacker news with over 200 points.”
Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions” “That's the pinnacle of AI slop over engineered garbage in my opinion.”
Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions” - Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions”
Animated typing shifts content
“The animated typing and resulting continuous resize of the example keeps moving the content beneath it down and up.”
Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions” “Unusable thanks to the top animation pushing the rest of the site down repeatedly as you’re trying to read.”
Comment from 24 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions” “Content continually shifting, super annoying.”
Comment from 25 May 2026 in “DeepSeek reasonix, engineered for low token cost during long running sessions”
Other coding agents people recommend
The four most recommended other coding agents, 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 | Mixed | Criticize | Approval | Months | Had for | Badge |
|---|---|---|---|---|---|---|---|
| Claude Code | 2,558 | 960 | 3,101 | 45% | 12 | 6 mo346 people | — |
| OpenAI Codex | 1,670 | 449 | 995 | 63% | 12 | 3 mo133 people | — |
| OpenCode | 760 | 177 | 484 | 61% | 12 | 2 mo40 people | — |
| Pi coding agent | 707 | 124 | 159 | 82% | 10 | 3 mo43 people | Approved |
| ReasonixThis page | 22 | 3 | 19 | 54% | 6 | — | — |
Also compared with GitHub Copilot, oh-my-pi, Gemini CLI and Aider.
What people said
40 of the 72 opinions about it, picked in proportion to the three counts, newest first. Each links to the original comment.
“I recommend their Reasonix harness strongly, due to its alignment to DeepSeek's prefix cache”
“I worked all weekend and the past few days, billions of tokens, I still have 3 bucks left!”
“it shows how much money you've spent at all times, it's fast”
“configuring my entire OS for almust free with cache hits”
“With reasonix or pi, I can code all day long and pay a few pennies for it.”
“Reasonix + Deepseek is mostly cache hits when I let it grind on it for a long time”
“using harnesses like reasonix or whale make cache hit at a rate close to 98%”
“prefer the hyper optimized cache hits making request converge on almost free”
“It's not Deepseek's official harness, and going direct with deepseek using ur own harness is stupid cheap”
“with Reasonix, DeepSeek is free real estate. Seems to just go and go for pennies.”
“Migrating my workflow to Reasonix with cache hits on Deepseek make requests practically free”
“using it with Reasonix is free real estate, like 97% cached tokens”
“using Deepseek through an American provider with reasonix as the harness”
“Using an agent harness tuned specifically for their caching (Reasonix) pushes the cached tokens to 97-99%”
“especially with Reasonix agent (which maximizes caching”
“Cache hits with the help of Reasonix on Deepseek make requests practically free.”
“I wish a true self-contained binary for Reasonix Desktop was released”
“They literally compiled byte level cache in their design and it is insane.”
“Now using the reasonix harness for Deepseek that makes cache hits almost free”
“an excellent CLI harness that is designed around maximizing cacheability of DeepSeek models”
“gets me better performance for practically free, hitting the cache”
“through OpenRouter and Reasonix for pretty much everything”
“Content continually shifting, super annoying.”
“why would anyone waste time on such 3rd party toy when official one is coming probably in weeks”
“It's probably good, and the best for Deepseek models”
“the text input area was black with a dark font”
“doesnt take half of computer memory”
“Another day, another vibeslopped "product" on the front page of hacker news with over 200 points.”
“This project tbh looks like a S-tier slop”
“i cant find anything substantiated in the code that actually differentiates it from any other harness”
“give us your codebase in a way that's even EASIER for us to train on”
“Performance is horrible when you type but caching is magical.”
“I'd argue it's a back door waiting to happen”
“it contributes to the problem of each person vibe-coding their own, incompatible, half-baked tool in a space”
“That's the pinnacle of AI slop over engineered garbage in my opinion.”
“Keeping the context stable for caching is a very basic principle and not a wild innovation.”
“Is this really the behavior you want? Yes, doing tool-result clearing and such will blow your cache, but if you do it only occasionally…”
“Unusable thanks to the top animation pushing the rest of the site down repeatedly as you’re trying to read.”
“The animated typing and resulting continuous resize of the example keeps moving the content beneath it down and up.”
“I'm not sure you need a "DeepSeek native coding agent”
Counts come from 1,791,911 Hacker News comments labeled by Claude, November 2025 to October 2026, with data through October 31, 2026. Counts updated 2 Nov 2026. How we count. Report a mistake.