GLM-5.3 and what to use instead
For writing marketing and blog copy, GLM-5.3 scores 70 and costs $6.40 per 1,000 drafts. Here’s what beats it on price, on quality, or on privacy.
Cheaper at similar quality
At least 30% cheaper and within 5 points.
Nothing we track fits this today.
Better at a similar price
At least 5 points stronger and no more than 20% dearer.
Gemini 3.8 FlashGoogleAbout 20% cheaper per draft, and 10 points stronger.$5.10 per 1,000 drafts · score 80Compare side by side →
Open weights you can host
Ranked by value: quality for the money.
GLM-5.3-FlashZ.ai · open weightsAbout 89% cheaper per draft, and 6 points weaker.$0.72 per 1,000 drafts · score 64Compare side by side →
Kimi K3Moonshot AI · open weightsAbout 219% dearer per draft, and as strong.$20.40 per 1,000 drafts · score 69Compare side by side →
Gemma 4 31B ITGoogle · open weightsAbout 90% cheaper per draft, and 19 points weaker.$0.64 per 1,000 drafts · score 50Compare side by side →
Scores are provisional (Arena and Epoch AI) and prices are list prices. Rankings never take money into account. Thresholds are in the methodology.