Introducing Step Code v0.1.0.
This is a dev post classified by Jev as AI dev tools (a launch), kept by the Dev Radar because it carries real work, not commentary.
Introducing Step Code v0.1.0. Swift execution. High token efficiency. Long-horizon reliability. Now open source under the MIT License. Step Code handles the full development loop—from reading and editing code to running tests and shipping—from one CLI. - 80.9% on Terminal-Bench 2.1 in evaluation - 73.3% on Multi-Frame, our 150-task long-horizon benchmark - One-command static site publishing with StepPage GitHub: https://github.com/stepfun-ai/Step-Code
Posted by StepFun (14.5k followers) 1 h ago · 182 likes · 6.2k views · view the original post on X. Kept by the Dev Radar as AI dev tools. Tools mentioned: step-code.
More dev work like this
- I thought they said they are on a break (slow down） — @u1tra_instinct
- BREAKING: SpaceXAI just released a major Grok Build update, with Grok 4.7 now available… — @cb_doge
- roughly similar on AI R&D but a beast on agentic coding task, very impressive — @eliebakouch
- Did you quietly remove the Fable from the subscription along with the release, or why… — @tarasshyn
- New tutorial | Package segmentation with Ultralytics YOLO26 📦 — @ultralytics
- anthropic just mogged everyone with opus 5.5 — @notjazii
- Introducing https://theopenfrontier.com! — @nutlope
- @rafalwilinski — @rafalwilinski
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 21.2k posts from 5k X accounts over the last 21 days, 2.4k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-22 17:37 UTC. Full method.