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Head to head

Grok 4.5vsGLM 5.2

For tasks, about a month.

Verdict · measured basis

Grok 4.5 costs $3.81 per solved task against GLM 5.2 at $15.49 — ▼ 4.1x cheaper. Over 200 tasks that is $2.3k a month.

On output token price alone GLM 5.2 looks 1.6x 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 Grok 4.5 and GLM 5.2
FigureGrok 4.5GLM 5.2
Input $/Mtok$2$1.19
Output $/Mtok$6$3.74
Cached input $/Mtok$0.3$0.221
Pass rate64%43%
Cost per solved task$3.81measured$15.49measured
Cost per month$763$3.1k

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for Grok 4.5 (measured, $3.81 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$100$1k$10k$100k$1MTASKS / MONTH (log) →200 tasksGrok 4.5 · MEASURED · $3.81 per solved task$763GLM 5.2 · MEASURED · $15.49 per solved task$3.1k— Grok 4.5 · MEASURED— GLM 5.2 · MEASURED

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

Source: Artificial Analysis (artificialanalysis.ai) · verified 2026-08-21 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings