Codex app
Ai ToolOpenAI Codex is an AI coding assistant that converts natural-language prompts into working code and automates common developer workflows. It is delivered through ChatGPT plan entitlements, a standalone macOS/Windows desktop app, a CLI, and IDE integrations for professional software teams.
Stories
Completed digest stories linked to this service.
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A Token Saver skill trims Codex context to cut token burn2026-07-30A custom Token Saver skill prunes reused context in Codex threads to slash token use without tanking results. ...
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Codex v0.142.0 brings real agent governance: budgets, delegation gates, and allo...2026-06-23OpenAI Codex added practical guardrails for coding agents and hardened its MCP/exec stack in v0.142.0. The la...
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Public Sentry DSN can hijack MCP agents in Claude Code, Cursor, and Codex2026-06-22A new report shows a public Sentry DSN can hijack MCP-enabled agents in Claude Code, Cursor, and Codex. The N...
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Codex instability: Windows memory leak, routing mismatch, and token spikes put r...2026-06-22OpenAI’s Codex app and CLI show reliability and billing quirks, including a Windows memory leak, rate-limit pa...
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Reports of OpenAI Codex instability and silent GPT-5.5→5.4 downgrades2026-06-20OpenAI Codex is showing regressions and silent model downgrades that can break automated code workflows. Deve...
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OpenAI sunsets GPT-5.2/5.3-Codex in Codex; expect migrations and sporadic capaci...2026-06-18OpenAI removed GPT-5.2 and GPT-5.3-Codex from Codex for ChatGPT subscribers, pushing teams to swap models whil...
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OpenAI buys Ona (ex‑Gitpod) to run Codex/agents in customer‑controlled sandboxes2026-06-13OpenAI is acquiring Ona to run Codex and future agents inside customer‑controlled, persistent sandboxes. Open...
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OpenAI bakes in observability for agents: Codex 0.135.0 + Agents JS 0.11.62026-05-29OpenAI tightened observability and state handling for agent workflows with Codex 0.135.0 and openai‑agents‑js ...
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Codex 0.131: remote-control workflows and diagnostics land, safety and metering ...2026-05-19OpenAI Codex 0.131 ships deeper remote workflow control, a new diagnostics tool, and a safer Windows sandbox—w...
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OpenAI brings Codex into ChatGPT mobile; early Android/tooling quirks and API de...2026-05-15OpenAI made Codex usable from the ChatGPT mobile app, enabling on-the-go oversight of code tasks, but some rou...