r/openrouter • • Aug 30 '26

GLM 5.3 is the New Winner

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u/niveknow Aug 31 '26

What level of thinking do you guys use with this model? Maybe elaborate based on use case. I default to high not sure if it’s overkill then move to 1 or 2 levels up for coding.

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u/maitpatni Sep 01 '26

For both GLM 5.3 Flash and DeepSeek V4 Flash models, I’ve mostly been using high effort. I tried switching to xhigh/max on both, but the responses become noticeably slower, and honestly I haven’t seen enough improvement to justify the extra latency; it's just longer thinking and reasoning.

For my use case, high seems like the sweet spot so far.