Unity developer compares subscription allowance use on a read-only repository task
AlexXx52 reported results from running essentially the same read-only Unity 6 repository investigation tasks across 16 model and reasoning configurations. The task covered harvesting tools, integration files, architecture, and risk analysis without making repository edits. The author used ChatGPT Plus, Claude Pro and Google AI Pro subscriptions. The author evaluated performance across self-reported provider allowance percentages, wall-clock duration, and subjective quality scores. Reported results included Sonnet 5.5 medium consuming 1% allowance in 5 minutes with an 8.3/10 quality score; GPT-6.1 Sol medium consuming 3% allowance in 3 minutes with a 9.0/10 score; Opus 5.5 medium consuming 4% allowance in 8 minutes with a 9.7/10 score; and GPT-6 Astra high consuming 20% allowance in 14 minutes with a 9.3/10 score. The author also reported that Opus inspected a local Asset Store cache for an unimported package and updated its architectural recommendation accordingly.
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In the repliestwendah asked why Haiku 5.5 xhigh was missing; Laprablenia asked about Gemini 3.8 Flash. Right-Performance-93 preferred Sol medium based on the same author's table, without an independent run.
The author explicitly cautioned that provider allowance percentages are not equivalent compute units. Exact prompts, repeated runs, account windows and execution logs were not verified; the table does not establish general quality rankings or API costs.
Original October 9 post and replies pevpx95, pewm3lp and pf04ai5. Model names, usage figures and quality ratings are self-reported.