Cheapest LLMs with best ROI (2026-09)

Best quality-per-dollar model for each capability, refreshed daily.

#1
DeepSeek V4 Flash 0731
Coding · ROI 6466.7
#2
DeepSeek V4 Flash 0731
Reasoning · ROI 6466.7
#3
DeepSeek V4 Flash 0731
Image · ROI 6466.7
#4
DeepSeek V4 Flash 0731
Video · ROI 6466.7
#5
DeepSeek V4 Flash 0731
Speed · ROI 6466.7
#6
DeepSeek V4 Flash 0731
Long Context · ROI 6466.7
#7
DeepSeek V4 Flash 0731
Voice · ROI 6466.7
#8
DeepSeek V4 Flash 0731
Cost Efficiency · ROI 6466.7
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