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SOLVENCY

Head to head

DeepSeek V4 Flash vs o3-pro

DeepSeek V4 Flash: currento3-pro: legacyheavy tier

No verdict

One cost is measured by its benchmark and the other is modelled by Solvency. The two bases are never ranked against each other, so no verdict is given here.

Source: Artificial Analysis (artificialanalysis.ai) · verified 2026-08-21 · prices from each provider's pricing page

Input $/M tokens

lower is better

  • DeepSeek V4 Flash$0.44
  • o3-pro$20

Output $/M tokens

lower is better

  • DeepSeek V4 Flash$1.32
  • o3-pro$80

Cost per solved task

different bases — not comparable

  • DeepSeek V4 Flash$0.12
  • o3-pro$19.08
DeepSeek V4 Flasho3-pro
Input $/Mtok$0.44$20
Output $/Mtok$1.32$80
Cached input $/Mtok$0.014missing
Pass rate50%85%
Pass rate sourceAAAider
Cost basismeasuredmodelled
Cost per solved task$0.12$19.08

verified 2026-08-21 · heavy task tier; measured rows ignore the tier· Methodology· DeepSeek V4 Flash· o3-pro