AI Coding

Daily digest of AI coding tools and model launches

102 briefs

September 2026

OpenAI DevDay: Codex Cloud and GPT-6.1 Sol

Sonnet 5.5 lands in Claude Code and GitHub Copilot

AI Coding Brief: Claude Code adds prompt auditing, Codex CLI hardens OAuth, Copilot learns from memory

AI Coding Daily: September 25, 2026

AI Coding Daily: September 24, 2026

Claude Opus 5.5 and GPT-6 Sol/Luna reshuffle the coding assistant landscape

AI for Devs: Claude Code v2.1.277 adds AGENTS.md fallback, Claude Docs and Slides land in chat, Copilot adds Grok 4.7

AI for Devs: a quiet window — Claude Code tunes server-side auto mode

AI for Devs: Claude Code fixes proxy regression in v2.1.276, Codex CLI reaches stable v0.155.0, VS Code 1.138 adds Dev Container agent sessions

AI for Devs: Claude Code v2.1.274 fixes critical memory warnings, Managed Agents gets auto mode, Copilot ships HydraFusion

AI for Devs: Claude Code v2.1.273 adds LLM gateway headers, Claude API gets on-demand compaction

AI for Devs: Claude Code adds remote fast mode, Copilot lets you tune cost vs. quality

AI for Devs: Claude Code adds plugin eval, Copilot locks down enterprise permissions

AI for Devs: Claude Code v2.1.268 and Codex adds ExternalMessage

AI for Devs: OpenAI ships GPT-6 Astra and Claude Code adds maxEffortLevel

AI for Devs: Claude Code v2.1.265 adds telemetry and plugin folders

AI for Devs: Claude Code adds /skill-doctor and longer command output

AI for Devs: OpenAI launches GPT-6 Astra and Copilot adds Gemini 3.8 Flash

AI for Devs: Claude Fable 5.1 and Mythos 5.1 land in Claude Code and GitHub Copilot

AI for Devs: Claude Code v2.1.252 patches bugs, Codex CLI hits v0.152.0 with Vim-style search