builderbot

AI Agents Are Quietly Being Rewritten in Rust OpenAI, Block, and Perplexity all rebuilt key parts of their AI stack in Rust. In this video I break down why the layer around the model (agents, sandboxes, and tooling) is moving to Rust, and the one catch most people skip. I’m a fresh grad learning Rust and harness engineering in public, so every claim here comes from sources I checked, linked below. Chapters 0:00 Elon’s Larp 00:36 Codex CLI: TypeScript to Rust 01:46 Goose: Python to Rust 02:22 Sandboxes: Firecracker and Perplexity SPACE 03:14 uv, Ruff, and OpenAI buying Astral 03:50 Hugging Face tokenizers and Candle 04:13 The catch 04:45 Advance Sources Elon post : x.com openai/codex block/builderbot perplexityai/SPACE x.com codex#1174 news.ycombinator.com reddit.com codex#1174 news.ycombinator.com reddit.com github.com/aaif-goose/goose/blob/main/crates/goos… goose-docs.ai github.com/aaif-goose/goose/blob/main/crates/goos… firecracker-microvm.github.io x.com anthropics/claude-code reddit.com huggingface.co huggingface/candle astral-sh/uv astral.sh github.com/perplexityai/SPACE/tree/main/crates/ap… firecracker-microvm/firecracker github.com/aaif-goose/goose/tree/main Follow along Rust playlist: youtube.com Building Harness playlist: youtube.com Portfolio: vkgeed.in X post for this video: x.com #rust #aiengineering #softwareengineering