Reading up on gpt-5.3-codex
5 deep · digging since dec 05, 25
- The Coding Agent Is Dead - Amp
Amp is killing its editor extensions for VS Code and Cursor to move to a CLI-only product, arguing new AI models no longer need the hand-holding.
- Opus 4.6, Codex 5.3, and the post-benchmark era
The latest coding models from OpenAI and Anthropic show marginal benchmark gains but real-world usability differences, with Claude ahead in product experience while Codex edges in coding capability.
- GPT-5.3-Codex | Hacker News
OpenAI releases GPT-5.3-Codex, a faster agentic coding model that achieves state-of-the-art results on SWE-Bench Pro and Terminal-Bench 2.0.
- Introducing GPT-5.3-Codex
OpenAI launches GPT-5.3-Codex, a coding agent that improves on prior benchmarks, runs 25% faster, and was used to develop itself.
- GPT-5.1-Codex-Max Prompting Guide
OpenAI recommends migrating to the Codex-Max agentic model using the codex-cli prompt, compacted context, and specific tools for best performance on complex coding tasks.