Armin Ronacher ⇌'s banner

Armin Ronacher ⇌

@mitsuhiko • 79,725 subscribers

Creator of Flask. Building at https://t.co/uGuzfu0LKT. Bypassing Permissions. Can hand crank. Husband and father of 3 — “more nuanced in person”

Shorts

Fascinating. Audi's car configurator uses webrtc to stream the 3D view from some remote rendered service instead of using WebGL in the browser. Really want to know what lead to that engineering decision. The latency is awful and the render quality is quite low resolution.

Fascinating. Audi's car configurator uses webrtc to stream the 3D view from some remote rendered service instead of using WebGL in the browser. Really want to know what lead to that engineering decision. The latency is awful and the render quality is quite low resolution.

274,255 views

Running Chromium through a sandbox really hammers down the point how much shit it connects to.

Running Chromium through a sandbox really hammers down the point how much shit it connects to.

71,915 views

Hashem Berzeg We're currently experimenting with having it on all the UI. That said, ideally nobody spends time in the UI anyways ;)

Hashem Berzeg We're currently experimenting with having it on all the UI. That said, ideally nobody spends time in the UI anyways ;)

21,243 views

I switched from a quantized Whisper Large v3 Turbo to Parakeet V3 in VoiceInk and the latency is much better.

I switched from a quantized Whisper Large v3 Turbo to Parakeet V3 in VoiceInk and the latency is much better.

18,497 views

Videos

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With the latest fixes in ds4 I can now get it to build and iterate on a little TUI Tetris game just fine. Pretty damn cool (yes, it made some rendering errors)

With the latest fixes in ds4 I can now get it to build and iterate on a little TUI Tetris game just fine. Pretty damn cool (yes, it made some rendering errors)

Armin Ronacher ⇌

55,275 views • 2 months ago

I'm so in love with antirez' ds4. Patched some slop on it to get better streaming, but I can just install a pi extension on a 128GB mac and it manages everything for me. No need for mlx-lm, ollama or lm studio or finagling pi configs.

I'm so in love with antirez' ds4. Patched some slop on it to get better streaming, but I can just install a pi extension on a 128GB mac and it manages everything for me. No need for mlx-lm, ollama or lm studio or finagling pi configs.

Armin Ronacher ⇌

56,284 views • 2 months ago

My oldest showed his game to his friends who said it's too hard. Instead of making it easier I was wondering how hard it is to have the agent build a really good visual assist mode and a practice mode where it respawns. I love that about agents.

My oldest showed his game to his friends who said it's too hard. Instead of making it easier I was wondering how hard it is to have the agent build a really good visual assist mode and a practice mode where it respawns. I love that about agents.

Armin Ronacher ⇌

41,079 views • 2 months ago

Family record here is 152m on the seed "water". These are my attempts where I made it to 92m. Who can beat it? :)

Family record here is 152m on the seed "water". These are my attempts where I made it to 92m. Who can beat it? :)

Armin Ronacher ⇌

39,750 views • 2 months ago

Our little rope man ninja game got hats now ;)

Our little rope man ninja game got hats now ;)

Armin Ronacher ⇌

31,921 views • 2 months ago

They are not there, but if you have a beefy mac, Qwen3-Coder-Next has some applications due to its speed and decent tool calling capabilities. This video is in real time. (Also plenty of local models for STT etc.). They are not to be completely dismissed!

They are not there, but if you have a beefy mac, Qwen3-Coder-Next has some applications due to its speed and decent tool calling capabilities. This video is in real time. (Also plenty of local models for STT etc.). They are not to be completely dismissed!

Armin Ronacher ⇌

36,110 views • 3 months ago

Tmux is love.

Tmux is love.

Armin Ronacher ⇌

72,454 views • 8 months ago

And the ds4 SSD caches are great. This is continuing a session after the server was shut down which was already 63k tokens in! Yes, takes a bit to come up, but not horribly bad!

And the ds4 SSD caches are great. This is continuing a session after the server was shut down which was already 63k tokens in! Yes, takes a bit to come up, but not horribly bad!

Armin Ronacher ⇌

22,998 views • 2 months ago

$After a small patch to mlx-lm, I have tool parameter streaming \o/$

After a small patch to mlx-lm, I have tool parameter streaming \o/

Armin Ronacher ⇌

21,484 views • 2 months ago

After a sleepless night we can now remote Claude.

After a sleepless night we can now remote Claude.

Armin Ronacher ⇌

63,765 views • 1 year ago

I decided to record a talk on agentic programming and why I'm so damn addicted to this. I think there are a few useful things in it, but I'm sure in a month this will be outdated :)

I decided to record a talk on agentic programming and why I'm so damn addicted to this. I think there are a few useful things in it, but I'm sure in a month this will be outdated :)

Armin Ronacher ⇌

61,524 views • 1 year ago

Papa Mario Zechner is not convinced, but I find experiments with message passing with pi highly insightful. This demos how one pi can send a message to another session and back:

Papa Mario Zechner is not convinced, but I find experiments with message passing with pi highly insightful. This demos how one pi can send a message to another session and back:

Armin Ronacher ⇌

24,927 views • 5 months ago

Recorded some updated thoughts on agentic coding tools if someone is curious.

Recorded some updated thoughts on agentic coding tools if someone is curious.

Armin Ronacher ⇌

44,855 views • 11 months ago

I recorded Claude fix two MiniJinja issues itself. It's Rust (which it sucks at), in a code base not really set up for vibe coding and it still succeeds. Yes, it takes 30 minutes, but it's hands off. Usually I let this work alone and review later.

I recorded Claude fix two MiniJinja issues itself. It's Rust (which it sucks at), in a code base not really set up for vibe coding and it still succeeds. Yes, it takes 30 minutes, but it's hands off. Usually I let this work alone and review later.

Armin Ronacher ⇌

39,262 views • 1 year ago

I'm often playing project manager with a coding agent and it's really nice. Mostly because it helps you bring structure to the thinking process. I got an agent to improve it via github->md->github sync and some tiny UX improvements in pi to fit my flow better.

I'm often playing project manager with a coding agent and it's really nice. Mostly because it helps you bring structure to the thinking process. I got an agent to improve it via github->md->github sync and some tiny UX improvements in pi to fit my flow better.

Armin Ronacher ⇌

20,290 views • 6 months ago

Codex survives compaction quite well. Which means for massive refactors or "pass test suite" kind of situations looping can work. I tried it for the MiniJinja port over night and it works. Basically /loop tells pi a) continue until "condition" and b) tweak compaction while loop is active.

Codex survives compaction quite well. Which means for massive refactors or "pass test suite" kind of situations looping can work. I tried it for the MiniJinja port over night and it works. Basically /loop tells pi a) continue until "condition" and b) tweak compaction while loop is active.

Armin Ronacher ⇌

17,362 views • 6 months ago

I'm sure we're all building beads now. I recorded a short demo of my shitty todos extension for Pi. It's modeled after Claude Code's task system with some neat UI integration. It's mostly for single-agent use, but it does support claiming of tasks.

I'm sure we're all building beads now. I recorded a short demo of my shitty todos extension for Pi. It's modeled after Claude Code's task system with some neat UI integration. It's mostly for single-agent use, but it does support claiming of tasks.

Armin Ronacher ⇌

14,156 views • 5 months ago

Going to quote tweet my old tweet. The prediction was true for sure. Python packaging for the most part hasn't been an issue for me in the last six months. Even complex shit like open-webui runs within seconds.

Going to quote tweet my old tweet. The prediction was true for sure. Python packaging for the most part hasn't been an issue for me in the last six months. Even complex shit like open-webui runs within seconds.

Armin Ronacher ⇌

19,677 views • 1 year ago

Prototyping with AI is easy. Shipping with it is… messy. I sit down with Yury Selivanov - e/python to argue both sides: vibe coding vs real engineering, context limits, bad tests, and the open-source trust challenges.

Prototyping with AI is easy. Shipping with it is… messy. I sit down with Yury Selivanov - e/python to argue both sides: vibe coding vs real engineering, context limits, bad tests, and the open-source trust challenges.

Armin Ronacher ⇌

10,348 views • 9 months ago