GLM-5.3 and what to use instead
For coding help for non-developers, GLM-5.3 scores 68 and costs $10.80 per 1,000 requests. Here’s what beats it on price, on quality, or on privacy.
Cheaper at similar quality
At least 30% cheaper and within 5 points.
GLM-5.3-FlashZ.ai · open weightsAbout 89% cheaper per request, and 1 points stronger.$1.20 per 1,000 requests · score 69Compare side by side →
DeepSeek V4.1 Flash 1017DeepSeek · open weightsAbout 75% cheaper per request, and 6 points stronger.$2.70 per 1,000 requests · score 74Compare side by side →
Better at a similar price
At least 5 points stronger and no more than 20% dearer.
Muse Spark 1.3MetaAbout 6% cheaper per request, and 7 points stronger.$10.13 per 1,000 requests · score 75Compare side by side →
DeepSeek V4.1 Flash 1017DeepSeek · open weightsAbout 75% cheaper per request, and 6 points stronger.$2.70 per 1,000 requests · score 74Compare side by side →
Open weights you can host
Ranked by value: quality for the money.
DeepSeek V4.1 Flash 1017DeepSeek · open weightsAbout 75% cheaper per request, and 6 points stronger.$2.70 per 1,000 requests · score 74Compare side by side →
GLM-5.3-FlashZ.ai · open weightsAbout 89% cheaper per request, and 1 points stronger.$1.20 per 1,000 requests · score 69Compare side by side →
Kimi K3Moonshot AI · open weightsAbout 192% dearer per request, and 6 points stronger.$31.50 per 1,000 requests · score 74Compare 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.