Skip to content
SOLVENCY

Head to head

DeepSeek V4 Pro vs Claude Sonnet 4

DeepSeek V4 Pro: currentClaude Sonnet 4: retiredheavy tier

No verdict

Cost per solved task needs a published pass rate for both models. At least one has none, so it is reported as missing rather than estimated.

verified 2026-08-21 · prices from each provider's pricing page

Input $/M tokens

lower is better

  • DeepSeek V4 Pro$1.32
  • Claude Sonnet 4$3

Output $/M tokens

lower is better

  • DeepSeek V4 Pro$3.96
  • Claude Sonnet 4$15

Cost per solved task

needs a pass rate for both

  • DeepSeek V4 Promissing
  • Claude Sonnet 4$4.40
DeepSeek V4 ProClaude Sonnet 4
Input $/Mtok$1.32$3
Output $/Mtok$3.96$15
Cached input $/Mtok$0.044$0.3
Pass ratemissing61%
Pass rate sourcemissingAider
Cost basismissingmodelled
Cost per solved taskmissing$4.40

verified 2026-08-21 · heavy task tier; measured rows ignore the tier· Methodology· DeepSeek V4 Pro· Claude Sonnet 4