ChatGPT Burns 30 Minutes of Compute, Then Hits Usage Limit With Zero Output

CautiousMagazine3591 · reddit · 2026-10-03

A Reddit user complains that GPT-6 Astra, when given 100K+ characters of source material to produce 70+ page documents, works 30-40 minutes burning heavy compute, then hits a 5-hour usage limit without outputting a single word — forcing restarts with slightly smaller tasks. By ChatGPT's and Gemini's own estimates, each run costs $3-$5 in API-equivalent compute; warning users upfront to split the task would be cheaper than letting servers grind and dump progress.

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