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Head to head

Claude Opus 5vsLongCat 2.0

For tasks, about a month.

Verdict · measured basis

LongCat 2.0 costs $0.0036 per solved task against Claude Opus 5 at $0.10 — ▼ 27x cheaper. Over 200 tasks that is $19 a month.

On output token price alone LongCat 2.0 looks 21x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for Claude Opus 5 and LongCat 2.0
FigureClaude Opus 5LongCat 2.0
Input $/Mtok$5$0.3
Output $/Mtok$25$1.2
Cached input $/Mtok$0.5$0.006
Pass rate100%81%
Cost per solved task$0.10measured$0.0036measured
Cost per month$19$0.73

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for LongCat 2.0 (measured, $0.0036 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$0.1$1$10$100$1k$10kTASKS / MONTH (log) →200 tasksLongCat 2.0 · MEASURED · $0.0036 per solved task$0.73Claude Opus 5 · MEASURED · $0.10 per solved task$19— LongCat 2.0 · 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