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Head to head

Kimi K3vsLaguna XS 2.1

For tasks, about a month.

Verdict · measured basis

Laguna XS 2.1 costs $0.0006 per solved task against Kimi K3 at $0.16 — ▼ 287x cheaper. Over 200 tasks that is $33 a month.

On output token price alone Laguna XS 2.1 looks 125x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for Kimi K3 and Laguna XS 2.1
FigureKimi K3Laguna XS 2.1
Input $/Mtok$3$0.06
Output $/Mtok$15$0.12
Cached input $/Mtok$0.3$0.03
Pass rate43%78%
Cost per solved task$0.16measured$0.0006measured
Cost per month$33$0.11

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for Laguna XS 2.1 (measured, $0.0006 per solved task), Kimi K3 (measured, $0.16 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$0.01$0.1$1$10$100$1k$10kTASKS / MONTH (log) →200 tasksLaguna XS 2.1 · MEASURED · $0.0006 per solved task$0.11Kimi K3 · MEASURED · $0.16 per solved task$33— Laguna XS 2.1 · MEASURED— Kimi K3 · 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