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#Tag · testing

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2 entries updated Apr 25
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APR 23 4 min
codegen
GPT-5.3-Codex review: 9/10 on strict JSON, and the test-gen score nobody expected
Adrian Marcus tested GPT-5.3-Codex on a 14-task suite: 9.0 on strict JSON, 8.7 on test-gen, and a costly loss on long-horizon agent planning. Full numbers inside.
openai testing
— unrated
read →4 min
APR 23 4 min
gpt-5
Property-based test generation prompt: 6 invariants on the first run
The prompt that writes 6 Hypothesis invariants for a JSON-diff library on the first run, with shrink strategies. Tested on GPT-5.3-Codex, Claude Opus 4.7, and Aider.
property testing
— unrated
read →4 min
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