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Mark Kretschmann

@mark_k • 52,247 subscribers

AI & Software Engineering | Practical insights on AI, code, fitness & e/acc • Accelerating the future

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o3-alpha, the mysterious coding model on the LLM arena, is very likely the upcoming open source model by OpenAI. Release imminent, maybe next week OpenAI

o3-alpha, the mysterious coding model on the LLM arena, is very likely the upcoming open source model by OpenAI. Release imminent, maybe next week OpenAI

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The scale of SpaceX Starship is just so insane. In this video it's especially visible:

The scale of SpaceX Starship is just so insane. In this video it's especially visible:

Mark Kretschmann

49,940,688 views • 4 months ago

The new ChatGPT voice mode is starting to roll out to some users in @ChatGPTapp. Listen to the demo below, it's quite impressive. The AI can listen and speak at the same time (bidirectional), making the conversation much more natural!!

The new ChatGPT voice mode is starting to roll out to some users in @ChatGPTapp. Listen to the demo below, it's quite impressive. The AI can listen and speak at the same time (bidirectional), making the conversation much more natural!!

Mark Kretschmann

108,271 views • 2 months ago

Greg Brockman explains the plans for the OpenAI SuperApp, fusing ChatGPT and Codex into a single UI. The Codex app is going to be the base for this mega application, deprecating the ChatGPT app.

Greg Brockman explains the plans for the OpenAI SuperApp, fusing ChatGPT and Codex into a single UI. The Codex app is going to be the base for this mega application, deprecating the ChatGPT app.

Mark Kretschmann

37,499 views • 2 months ago

Huge if true: A neural net learned every Atari game simultaneously, from scratch, in real time, one hour total on a single 4090. That’s roughly 56 seconds of GPU time per game. No pauses, no resets, no memory peeking, just raw 60 fps color frames.

Huge if true: A neural net learned every Atari game simultaneously, from scratch, in real time, one hour total on a single 4090. That’s roughly 56 seconds of GPU time per game. No pauses, no resets, no memory peeking, just raw 60 fps color frames.

Mark Kretschmann

134,846 views • 11 months ago

First look at Grok Build by xAI, this time as a CLI tool running directly in the terminal. This is clearly positioned as a competitor to Claude Code, bringing agentic coding workflows into the command line with xAI’s own model stack behind it.

First look at Grok Build by xAI, this time as a CLI tool running directly in the terminal. This is clearly positioned as a competitor to Claude Code, bringing agentic coding workflows into the command line with xAI’s own model stack behind it.

Mark Kretschmann

36,783 views • 3 months ago

Suno V5: One of the first songs made with the new Suno version! Check out the excellent vocals, they sound very realistic:

Suno V5: One of the first songs made with the new Suno version! Check out the excellent vocals, they sound very realistic:

Mark Kretschmann

18,560 views • 11 months ago

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