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GPT-5.3-codex

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// recent coverage 2 mentions

21:05
2026-09-03
robert.wittams.com
developer-tools

Porting the RAD Debugger to macOS

Robert Wittams ported the RAD Debugger to macOS, completing the x86 port in about five days and the ARM64 port in about three more in May 2026, using GPT-5.3-codex and GPT-5.5 in codex cli for most of…

04:00
2026-07-09
machinebrief.com
large-language-models

Specification Grounding Drives Test Effectiveness for LLM Code

A new study from arXiv shows that grounding LLM-generated tests in a specification improves code correctness by 38 percentage points over baseline across multiple Claude models, while merely increasin…

// co-occurs with top 8 entities
Claude 1 Gemini 3.5 Flash 1 arXiv 1 Robert Wittams 1 RAD Debugger 1 GPT-5.5 1 Claude Design 1 Opus 4.6 1
// topics top 5 topics
large language models 1 ai research 1 ai tools 1 developer tools 1 artificial intelligence 1