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SOLVENCY

Head to head

DeepSeek V4 Pro vs GPT-5

DeepSeek V4 Pro: currentGPT-5: legacyheavy 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
  • GPT-5$1.25

Output $/M tokens

lower is better

  • DeepSeek V4 Pro$3.96
  • GPT-5$10

Cost per solved task

needs a pass rate for both

  • DeepSeek V4 Promissing
  • GPT-5$1.66
DeepSeek V4 ProGPT-5
Input $/Mtok$1.32$1.25
Output $/Mtok$3.96$10
Cached input $/Mtok$0.044$0.125
Pass ratemissing88%
Pass rate sourcemissingAider
Cost basismissingmodelled
Cost per solved taskmissing$1.66

verified 2026-08-21 · heavy task tier; measured rows ignore the tier· Methodology· DeepSeek V4 Pro· GPT-5