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SOLVENCY

Head to head

Gemini 3.1 Pro (preview) vs DeepSeek V4 Pro

Gemini 3.1 Pro (preview): currentDeepSeek V4 Pro: currentheavy 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.

Source: Scale SEAL leaderboard, SWE-bench Pro · verified 2026-08-21 · prices from each provider's pricing page

Input $/M tokens

lower is better

  • Gemini 3.1 Pro (preview)$2
  • DeepSeek V4 Pro$1.32

Output $/M tokens

lower is better

  • Gemini 3.1 Pro (preview)$12
  • DeepSeek V4 Pro$3.96

Cost per solved task

needs a pass rate for both

  • Gemini 3.1 Pro (preview)$4.30
  • DeepSeek V4 Promissing
Gemini 3.1 Pro (preview)DeepSeek V4 Pro
Input $/Mtok$2$1.32
Output $/Mtok$12$3.96
Cached input $/Mtok$0.2$0.044
Pass rate46%missing
Pass rate sourceSEALmissing
Cost basismodelledmissing
Cost per solved task$4.30missing

verified 2026-08-21 · heavy task tier; measured rows ignore the tier· Methodology· Gemini 3.1 Pro (preview)· DeepSeek V4 Pro