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SOLVENCY

Head to head

Grok 4.6 vs Claude Opus 4.5

Grok 4.6: currentClaude Opus 4.5: 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

  • Grok 4.6$2
  • Claude Opus 4.5$5

Output $/M tokens

lower is better

  • Grok 4.6$6
  • Claude Opus 4.5$25

Cost per solved task

needs a pass rate for both

  • Grok 4.6missing
  • Claude Opus 4.5$9.81
Grok 4.6Claude Opus 4.5
Input $/Mtok$2$5
Output $/Mtok$6$25
Cached input $/Mtok$0.5$0.5
Pass ratemissing46%
Pass rate sourcemissingSEAL
Cost basismissingmodelled
Cost per solved taskmissing$9.81

verified 2026-08-21 · heavy task tier; measured rows ignore the tier· Methodology· Grok 4.6· Claude Opus 4.5