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gpt-5-codex is now available in the API + 0.40 CLI release: visibility into rate limits under /status, new /review features, auto-compaction and other small improvements
🚢 🚢 🚢
/review now in Codex CLI Use it to get a quick review from codex on your code changes locally. Will expand a lot in coming days, send Daniel your feedback!
/review now in Codex CLI Use it to get a quick review from codex on your code changes locally. Will expand a lot in coming days, send Daniel your feedback!
Summary of AMA with the Codex Team on Reddit on 2025-09-17 Internal Usage & Team Workflow - Team members use Codex to build Codex itself, with designers directly merging PRs and one engineer using it for 99% of their changes to Codex specifically, with goal of not typing single…
Summary of AMA with the Codex Team on Reddit on 2025-09-17 Internal Usage & Team Workflow - Team members use Codex to build Codex itself, with designers directly merging PRs and one engineer using it for 99% of their changes to Codex specifically, with goal of not typing single…
We felt bad about the slowdowns as we were adding GPUs, so we reset everyone's limits to make up for it:
We felt bad about the slowdowns as we were adding GPUs, so we reset everyone's limits to make up for it:
We've reset limits for gpt-5-codex to make up for the slowdowns from earlier today.
We've reset limits for gpt-5-codex to make up for the slowdowns from earlier today.
Limits reset! Happy codexing 📈
when the team first showed me this it took me a second to realize codex actually created its own custom spritesheet for the lil dudes 👀
when the team first showed me this it took me a second to realize codex actually created its own custom spritesheet for the lil dudes 👀
New Codex ritual: someone whispers “check this out,” and suddenly half the team is circled around a laptop testing a new vibe-coding internal tool or frontend demo
New Codex ritual: someone whispers “check this out,” and suddenly half the team is circled around a laptop testing a new vibe-coding internal tool or frontend demo
GPUs are up! We are back to nominal latency
GPUs are up! We are back to nominal latency
We have provisioned a lot more GPUs and gpt-5-codex should now feel fast again, about 2X faster than a few hours ago. Let us know what you do with it! $ brew install codex $ codex -m gpt-5-codex
come say hi!
the vibes on codex feel like the first few months of chatgpt. fun energy!
Give GPT-5-Codex a try! Huge props to Andrey Mishchenko, @katyhshi, @hansonwng, @ssnl_tz, and @mia_glaese for turning our reasoning models’ raw intelligence into real-world coding performance - and uncovering new research along the way.
Give GPT-5-Codex a try! Huge props to Andrey Mishchenko, @katyhshi, @hansonwng, @ssnl_tz, and @mia_glaese for turning our reasoning models’ raw intelligence into real-world coding performance - and uncovering new research along the way.
💥 Super excited about the launch of GPT-5-Codex today. GPT-5 is proving to be a killer model and Codex usage is growing rapidly—a dedicated coding model that can spend even more time solving the hardest problems makes it even more powerful.
New model alert! Today we launched GPT-5-Codex as a new GPT-5 version optimized for agentic coding. It's trained to be even better at: 🏗️ large refactoring tasks 🪲 debugging 🧪 adding tests and overall working like a software engineer. Additionally, we also added: 🖼️ image…
GPT-5-Codex is 10x faster for the easiest queries, and will think 2x longer for the hardest queries that benefit most from more compute.
GPT-5-Codex is 10x faster for the easiest queries, and will think 2x longer for the hardest queries that benefit most from more compute. https://t.co/wX9GNwRFQQ
Meet GPT-5-Codex, a version of GPT-5 optimized for agentic coding and trained on real engineering tasks. Excited to see what you build with it! Try it now in Codex CLI: ❯ npm i -g @openai/codex ❯ codex -m gpt-5-codex
Meet GPT-5-Codex, a version of GPT-5 optimized for agentic coding and trained on real engineering tasks. Excited to see what you build with it! Try it now in Codex CLI: ❯ npm i -g @openai/codex ❯ codex -m gpt-5-codex https://t.co/D1GqDs5kK0
👏 @edbayes cooked!
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