Kimi K3.1 Pro and what to use instead
For spreadsheets and formulas, Kimi K3.1 Pro scores 79 and costs $5.40 per 1,000 formulas. Here’s what beats it on price, on quality, or on privacy.
Cheaper at similar quality
At least 30% cheaper and within 5 points.
DeepSeek V4.1 Flash 1017DeepSeek · open weightsAbout 87% cheaper per formula, and 5 points weaker.$0.72 per 1,000 formulas · score 74Compare side by side →
Muse Spark 1.3MetaAbout 49% cheaper per formula, and 4 points weaker.$2.78 per 1,000 formulas · score 75Compare side by side →
Better at a similar price
At least 5 points stronger and no more than 20% dearer.
Claude Sonnet 5.5AnthropicSame price per formula, and 8 points stronger.$5.40 per 1,000 formulas · score 87Compare side by side →
Gemini 4 ArgonGoogleSame price per formula, and 5 points stronger.$5.40 per 1,000 formulas · score 84Compare side by side →
Open weights you can host
Ranked by value: quality for the money.
DeepSeek V4.1 Flash 1017DeepSeek · open weightsAbout 87% cheaper per formula, and 5 points weaker.$0.72 per 1,000 formulas · score 74Compare side by side →
GLM-5.3-FlashZ.ai · open weightsAbout 94% cheaper per formula, and 10 points weaker.$0.33 per 1,000 formulas · score 69Compare side by side →
Kimi K3Moonshot AI · open weightsAbout 50% dearer per formula, and 5 points weaker.$8.10 per 1,000 formulas · 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.