Skip to content
SOLVENCY
Request a demo

Account controls are loading.

Head to head

LongCat 2.0vsQwen3.5-9B

For tasks, about a month.

Verdict · measured basis

LongCat 2.0 costs $0.0036 per solved task against Qwen3.5-9B at $0.0038 — ▼ 1.1x cheaper. Over 200 tasks that is $0.04 a month.

On output token price alone Qwen3.5-9B looks 8.0x cheaper. The ranking reverses once you divide by pass rate — the cheaper tokens do not win the task.

Verified pricing, pass rate and cost per solved task for LongCat 2.0 and Qwen3.5-9B
FigureLongCat 2.0Qwen3.5-9B
Input $/Mtok$0.3$0.1
Output $/Mtok$1.2$0.15
Cached input $/Mtok$0.006$0.1
Pass rate81%28%
Cost per solved task$0.0036measured$0.0038measured
Cost per month$0.73$0.77

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), Qwen3.5-9B (measured, $0.0038 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$0.1$1$10$100TASKS / MONTH (log) →200 tasksLongCat 2.0 · MEASURED · $0.0036 per solved task$0.73Qwen3.5-9B · MEASURED · $0.0038 per solved task$0.77— LongCat 2.0 · MEASURED— Qwen3.5-9B · MEASURED

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

Solvency Bench (solvency.dev) — first-party measurement · verified 2026-08-26 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings