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Head to head

Claude Fable 5vsGLM 5.2

For tasks, about a month.

Verdict · measured basis

GLM 5.2 costs $15.49 per solved task against Claude Fable 5 at $17.45 — ▼ 1.1x cheaper. Over 200 tasks that is $392 a month.

On output token price alone GLM 5.2 looks 13x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for Claude Fable 5 and GLM 5.2
FigureClaude Fable 5GLM 5.2
Input $/Mtok$10$1.19
Output $/Mtok$50$3.74
Cached input $/Mtok$1$0.221
Pass rate67%43%
Cost per solved task$17.45measured$15.49measured
Cost per month$3.5k$3.1k

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for GLM 5.2 (measured, $15.49 per solved task), Claude Fable 5 (measured, $17.45 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$100$1k$10k$100k$1MTASKS / MONTH (log) →200 tasksGLM 5.2 · MEASURED · $15.49 per solved task$3.1kClaude Fable 5 · MEASURED · $17.45 per solved task$3.5k— GLM 5.2 · MEASURED— Claude Fable 5 · 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