CODEX

Google's Antigravity CLI replaced Gemini CLI on June 18, 2026. Here is how it compares to Claude Code and Codex on architecture, pricing, multi-agent workflows, and daily coding experience.

Agent-Manager wraps tmux into a Go TUI that groups AI coding agents by project, shows live status for each, and lets you answer blocked agents or review their changes without attaching to their terminal.

Agent-Manager, Pane, and Golutra let you run multiple CLI coding agents in parallel. Here is the comparison of architectures, agent support, and which fits your workflow.

OpenAI released the Codex Security CLI and TypeScript SDK as open source on GitHub. The Promptfoo team behind it, the 2.1k-star reception, and what the HN community says about cost, guardrails, and local model support.

How Claude Code, Cursor, Codex, GitHub Copilot, Aider, and Windsurf handle permissions, sandboxing, credential protection, and prompt injection. A structured comparison for engineering teams evaluating agent security.

The late-July Codex and Claude Code updates point in the same direction: coding agents are competing on approval modes, resumable work, MCP auth, artifacts, and review surfaces as much as raw model quality.

Prompt injection, sandbox escapes, and hallucinated dependencies are now documented, patched, CVE-numbered realities. Here is the threat model for agent-written code and the defenses worth adopting this week, ranked by effort.

A July 2026 paper from Tencent Hunyuan turns agent harnesses into behavior-level maps. The useful lesson for builders is simple: code search is not enough when one behavior spans prompts, tools, state, permissions, and runtime policy.

OpenAI crossed 8 million active users on Codex and ChatGPT Work in one week. Here is what drove the surge, what changed for developers, and what to watch as capacity scales.

OpenAI's Codex CLI now encrypts inter-agent communications for Sol and Terra models, leaving users unable to inspect what their agents are actually doing.

A new Vera paper tests Codex, Claude Code, OpenClaw, and Hermes with executable safety cases. The useful lesson is not panic. It is evidence-grounded agent QA.

OpenAI is consolidating its desktop apps, not merging ChatGPT and Codex into one indistinguishable product. Here is how ChatGPT Work, Codex, and GPT-5.6 fit together.

A fair comparison of running Claude Code, OpenAI's Codex CLI, Gemini CLI, and opencode in non-interactive CI pipelines: invocation flags, sandboxing, auth, and output formats.

OpenAI teases its most capable coding model yet - Sol Ultra uses trained subagents that communicate during tasks, reportedly hitting 91.9% on Terminal-Bench 2.1.

Claude Code and Codex both ship great agents and terrible transcripts. AgentCanvas is a visual adapter that puts the artifacts, decisions, and handoffs on one board so the next agent and the next human can see them.

A companion guide to the Nimbalyst video: an open-source visual workspace that runs Codex and Claude Code from your existing subscriptions, with a Kanban board, a planning workflow, and AI commits. Here is what it does and where it fits.

A companion guide to the Codex Record & Replay video: OpenAI Codex can now record a recurring computer task and replay it as a reusable automation skill. Here is what the feature is and where it fits.

A companion guide to the GPT-5.5 video: OpenAI's newly released model rolling out to ChatGPT and Codex, reviewed through benchmarks, agent capabilities, context window, and pricing. Here is what the video covers and where to go deeper.

A companion guide to the OpenAI Codex video: a tour of the Codex desktop app, its plan and goal modes, plugins, multi-agent workflows, and UI annotation. Here is what the video shows and where to go deeper.

Grok Build is xAI's agentic CLI with 8 parallel subagents, a plan-first workflow, and Arena Mode for competing outputs. Installation, pricing, real commands, and how it compares to Claude Code and Codex.