Skip to content
SOLVENCY

Head to head

DeepSeek V4 Flash vs Claude Fable 5

DeepSeek V4 Flash: currentClaude Fable 5: currentheavy tier

Verdict · measured basis

DeepSeek V4 Flash costs 146x less per solved task.

On output token price alone, DeepSeek V4 Flash looks 38x cheaper (23x on input). The ranking holds, but the margin changes.

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
  • Claude Fable 5$10

Output $/M tokens

lower is better

  • DeepSeek V4 Flash$1.32
  • Claude Fable 5$50

Cost per solved task

measured basis · lower is better

  • DeepSeek V4 Flash$0.12
  • Claude Fable 5$17.46
DeepSeek V4 FlashClaude Fable 5
Input $/Mtok$0.44$10
Output $/Mtok$1.32$50
Cached input $/Mtok$0.014$1
Pass rate50%67%
Pass rate sourceAAAA
Cost basismeasuredmeasured
Cost per solved task$0.12$17.46

verified 2026-08-21 · heavy task tier; measured rows ignore the tier· Methodology· DeepSeek V4 Flash· Claude Fable 5