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Head to head

DeepSeek V4 FlashvsGLM 5.2

For tasks, about a month.

Verdict · measured basis

DeepSeek V4 Flash costs $0.02 per solved task against GLM 5.2 at $15.49 — ▼ 831x cheaper. Over 200 tasks that is $3.1k a month.

On output token price alone DeepSeek V4 Flash looks 2.8x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for DeepSeek V4 Flash and GLM 5.2
FigureDeepSeek V4 FlashGLM 5.2
Input $/Mtok$0.44$1.19
Output $/Mtok$1.32$3.74
Cached input $/Mtok$0.014$0.221
Pass rate73%43%
Cost per solved task$0.02measured$15.49measured
Cost per month$4$3.1k

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for DeepSeek V4 Flash (measured, $0.02 per solved task), GLM 5.2 (measured, $15.49 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$1$10$100$1k$10k$100k$1MTASKS / MONTH (log) →200 tasksDeepSeek V4 Flash · MEASURED · $0.02 per solved task$4GLM 5.2 · MEASURED · $15.49 per solved task$3.1k— DeepSeek V4 Flash · MEASURED— GLM 5.2 · 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