GLM-5.3 vs DeepSeek V4.1 Flash 1017: scores, price and which to pick

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Our take

DeepSeek V4.1 Flash 1017 wins 1 of 1 categories and costs less: 4.1× cheaper for everyday text work. Easy pick.

Overall61–

Coding6874Best

Writing70–

Support67–

Value54–

Input / 1M$1.40$0.30Best

Output / 1M$4.40$1.20Best

Blended / 1M$2.15$0.53Best

Context window1M1MBest

Open weightsYesYes

Released14 Aug 202617 Oct 2026

Your monthly bill

Tasks per month50k

GLM-5.3$430

DeepSeek V4.1 Flash 1017$105Cheapest

List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.