DeepSeek Harness: Free Agent Loop, Costlier Tokens 2026
August 19, 2026
DeepSeek open-sourced its agent harness under MIT and it passed 161,000 GitHub stars in six days, then raised API prices right where agent loops hurt most.
#coding-agents
OpenAI Codex on Mobile: Coding Agents in Your Pocket
May 18, 2026
OpenAI brought Codex to ChatGPT mobile on May 14, 2026 — iOS, Android, Free tier included. Macs only at launch. How it stacks up vs. Claude Code, Cursor.
Mistral Medium 3.5: 128B Open-Weight Frontier Coder
May 1, 2026
Mistral Medium 3.5 ships as a 128B dense open-weight model with a 256K context, 77.6% on SWE-Bench, and self-hosts on as few as four GPUs at $1.50/M tokens.