Head to head
Claude Opus 5vsGLM 5.2
For tasks, about a month.
Verdict · measured basis
Claude Opus 5 costs $0.10 per solved task against
GLM 5.2 at $15.49 — ▼ 159x cheaper.
Over 200 tasks that is $3.1k a month.
On output token price alone GLM 5.2 looks 6.7x 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 Claude Opus 5 and GLM 5.2| Figure | Claude Opus 5 | GLM 5.2 |
|---|
| Input $/Mtok | $5 | $1.19 |
|---|
| Output $/Mtok | $25 | $3.74 |
|---|
| Cached input $/Mtok | $0.5 | $0.221 |
|---|
| Pass rate | 100% | 43% |
|---|
| Cost per solved task | $0.10measured | $15.49measured |
|---|
| Cost per month | $19 | $3.1k |
|---|
Cost per month against tasks per month · drag the marker
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