GPT-6 Sol vs Kimi K3: scores, price and which to pick

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Our take

Kimi K3 wins 4 of 4 categories, but GPT-6 Sol is 1.5× cheaper for everyday text work. Pick Kimi K3 when quality matters most, GPT-6 Sol at volume.

Overall5265Best

Coding6274Best

Writing3669Best

Support3773Best

Value4252Best

Input / 1M$2.00Best$3.00

Output / 1M$10.00Best$15.00

Blended / 1M$4.00Best$6.00

Context window1.1MBest1M

Open weightsNoYes

Released22 Sept 202616 Jul 2026

Your monthly bill

Tasks per month50k

GPT-6 Sol$800Cheapest

Kimi K3$1.2k

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