Early GPT-6 (Astra) User Test: Presentation Output 'Junior-Level,' Worse Than Claude Opus 5

sikrian · reddit · 2026-09-06

A sales professional on Reddit reports a disappointing first run with GPT-6 (Astra): given a reference presentation and detailed content requirements, the model produced a deck he describes as "junior level at best," despite clear instructions and a sample.

He adds that Claude Opus 5 delivered a better presentation on the same task with only simple instructions.

A single-user negative hands-on test of the new flagship model — small sample, but a notable early capability datapoint.

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