GLM 5.3 Flash offers same output quality as ChatGPT Plus at 1/3 the cost
Fun_Squirrel5446 · reddit · 2026-08-29
User shares a cost comparison for coding assistant services. Frustrated by ChatGPT Plus's increasingly strict limits (weekly quota depleting in 2 days), the user tested GLM 5.3 Flash. Under the same workload and with equivalent output quality (comparable to GPT-4o Medium), GLM 5.3 Flash cost about $1.01 per day via API. Calculations suggest maintaining the workflow would require multiple ChatGPT Plus subs ($70/month), whereas GLM 5.3 Flash API costs only $30/month.
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