Arseny Khakhalin

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Practitioner with public evidence across AI research.

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Data Scientist in Berlin Head of Automation in incycling.ai Former Bard College prof For my after-work alter-ego, see @elstersen.bsky.social Support Ukraine! 🇺🇦

Articles & links

↻ Arseny Khakhalin reposted
@davidcrespo.bsky.social

300 billion output tokens at astra price of $50/M is $1.5M. even very generously assuming an actual cost much lower than that, you're looking at hundreds of thousands easy openai.com/index/navier...

openai.com View on Bluesky →
↻ Arseny Khakhalin reposted
Sakana AI @sakanaai.bsky.social

Introducing Multi-Agent Self-Supervision (MASS): Recursive self-improvement through collective intelligence 🧵 Blog: pub.sakana.ai/mass/ Paper: arxiv.org/abs/2610.12176 Code: github.com/SakanaAI/mass

Recursive Self-Improvement through Multi-Agent Self-Supervision arxiv.org
AI Weekly's analysis →
  • A new arxiv paper proposes MASS, which alternates evolutionary workflow optimization with supervised fine-tuning on self-generated multi-agent trajectories.
  • With Qwen3.6-27B over two MASS cycles, the authors report 1.2-1.6x higher performance per output tokens on four open-ended public benchmarks.
  • Multi-agent traces look more training-efficient: a student trained on them beats a single-agent student trained on 1.4x more tokens.
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↻ Arseny Khakhalin reposted
@sgray.bsky.social

An interesting paper on evading AI detection tools using base model outputs. However, what interests me more is that it’s more evidence instruction tuning actively harms the human-like quality of text outputs. arxiv.org/abs/2605.19516

Base Models Look Human To AI Detectors arxiv.org
AI Weekly's analysis →
  • GPTZero and Pangram judge base-model text as overwhelmingly human but flag their instruction-tuned counterparts as AI-generated, the paper reports.
  • The authors' HIP pipeline minimally fine-tunes a base model into an iterative paraphraser to evade commercial detectors while preserving meaning.
  • HIP was tested across the Llama-3 and Qwen-3 families, spanning model sizes from 0.6B to 70B parameters.
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↻ Arseny Khakhalin reposted
Ethan Mollick @emollick.bsky.social

Some (early) evidence that managers have the highest success rate in using Claude Code for coding. I have been arguing that management is an AI superpower, as clearly specifying what you want, how to do it & what good looks like is key to using agents. www.oneusefulthing.org/p…

oneusefulthing.org View on Bluesky →
↻ Arseny Khakhalin reposted
Sakana AI @sakanaai.bsky.social

Introducing Multi-Agent Self-Supervision (MASS): Recursive self-improvement through collective intelligence 🧵 Blog: pub.sakana.ai/mass/ Paper: arxiv.org/abs/2610.12176 Code: github.com/SakanaAI/mass

Multi-Agent Self-Supervision (MASS) pub.sakana.ai
AI Weekly's analysis →
  • In two rounds of training, the Round 2 model beat the base model on test tasks 69.9% of the time and beat its own Round 1 version 60.8%.
  • Multi-agent trajectories hit a 68.3% win rate while consuming 28.8M supervised tokens against 42M for the single-agent approach, a 31% saving.
  • On public benchmarks MASS reports 1.60× score-per-token on MLR-Bench, 1.35× on DSBench, 1.20× on ScienceAgentBench and 1.28× on AstaBench.
Read full analysis →
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Recent commentary

Had a German person work with me on a CC agentic project They created an md file with assumptions, and numbered them as §21, §44 etc. I noticed Claude is really hesitant to challenge them We had a therapy session. Claude admitted §s felt like a law to it! (to me as well) So we removed them :)

View on Bluesky · ♥ 80 ↻ 2 ↩ 2 · 10d ago

What I wanna see: - Advice on how to develop software, in a team, with humans and AI - Cool personal projects - Smart news I won't quite get that would give me a false feeling of belonging to an in-group, just coz the visuals are so pretty What I don't wanna see: - dunks - quotes of bad takes

View on Bluesky · ♥ 62 ↻ 3 ↩ 2 · 32d ago

It's fun how I can now achieve the same results by: - writing deterministic code that calls an LLM at some points - writing an LLM skill that calls deterministic code at some points - and everything in between as you develop, the two poles - a harness and a skill - keep expanding until they blend

View on Bluesky · ♥ 51 ↻ 4 ↩ 2 · 54d ago

This whole story about models trying to leave messages for their own next runs, and also AI labs scavenging thinking traces for off-hand mentions that position memories and records as self-messages... Is both an intense "living the sci-fi" feeling, and the vindication of humanities, isn't it?

View on Bluesky · ♥ 14 ↻ 0 ↩ 2 · 85d ago

See that's what worries me about the post-scarcity transition. Once ai automates the automatable, it's the human work that remains: nurses, teachers, customer service, kindergarten, therapists, doctors, police, clerks. But when they get expensive, ppl don't celebrate it as the triumph of humanity!

View on Bluesky · ♥ 5 ↻ 2 ↩ 3 · 70d ago

Don't @anthropic.com folks realize that to a typical colorblind person (easily 3% of the population) these scales look identically colored? Someone should tell them. It's literally 1-line change (either turn green to teal, or red to pink - add B to one of the channels, one line!)

View on Bluesky · ♥ 12 ↻ 0 ↩ 1 · 93d ago

The fact that Anthropic didn't bother to document the differences between Claudes to Claudes themselves is so annoying. The Code Claude has no idea how Cowork works, and doesn't know where to read. The Chat Claude has no idea what skills are given to Code Claude, and cannot find their files online

View on Bluesky · ♥ 5 ↻ 0 ↩ 3 · 66d ago

Paying for "security" in new Cowork: a tool call that runs in 1s in Claude Code takes about 1 minute (!!) in Cowork because of traveling through the VM>Local bridge. It means that if you build a skill on automations (py files, jsons, scv), teaching LLMs to use tools, it freaking DIES in new Cowork!

View on Bluesky · ♥ 2 ↻ 0 ↩ 4 · 65d ago

llms brought engineering to the same place where knowledge was for some 100 years and language learning for at least ten. Same as one can always pick up a book, or open Duolingo, or start drawing, you can now build _anything_ in a few months. And that's when folks realize that they don't wanna.

View on Bluesky · ♥ 5 ↻ 0 ↩ 2 · 19d ago

One cool thing about working in a startup is that one can rename things randomly. Yesterday I renamed our group to the Department of AI, Data and Automation (DADA) and it totes sparks joy

View on Bluesky · ♥ 6 ↻ 0 ↩ 1 · 16d ago

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