GPT-6 Sol vs GLM-5.3: scores, price and which to pick

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Our take

GLM-5.3 wins 4 of 4 categories and costs less: 1.9× cheaper for everyday text work. Easy pick.

Overall5261Best

Coding6268Best

Writing3670Best

Support3767Best

Value4254Best

Input / 1M$2.00$1.40Best

Output / 1M$10.00$4.40Best

Blended / 1M$4.00$2.15Best

Context window1.1MBest1M

Open weightsNoYes

Released22 Sept 202614 Aug 2026

Your monthly bill

Tasks per month50k

GPT-6 Sol$800

GLM-5.3$430Cheapest

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