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Head to head

Claude Opus 5vsMiniMax M3

For tasks, about a month.

Verdict · measured basis

MiniMax M3 costs $0.02 per solved task against Claude Opus 5 at $0.10 — ▼ 4.7x cheaper. Over 200 tasks that is $15 a month.

On output token price alone MiniMax M3 looks 21x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for Claude Opus 5 and MiniMax M3
FigureClaude Opus 5MiniMax M3
Input $/Mtok$5$0.3
Output $/Mtok$25$1.2
Cached input $/Mtok$0.5$0.06
Pass rate100%47%
Cost per solved task$0.10measured$0.02measured
Cost per month$19$4

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for MiniMax M3 (measured, $0.02 per solved task), Claude Opus 5 (measured, $0.10 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$1$10$100$1k$10kTASKS / MONTH (log) →200 tasksMiniMax M3 · MEASURED · $0.02 per solved task$4Claude Opus 5 · MEASURED · $0.10 per solved task$19— MiniMax M3 · MEASURED— Claude Opus 5 · MEASURED

Solid measured · dashed modeled · dotted stale. The gap is the verdict.

Solvency Bench (solvency.dev) — first-party measurement · verified 2026-08-21 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings