Head to head
UP vs For light moderate heavy
Verdict · measured basis
Solar Pro 4 costs $0.0003 per solved task against
GLM 4.7 Flash at $0.0011 — ▼ 3.9x cheaper .
Over 200 tasks that is $0.17 a month.
On output token price alone GLM 4.7 Flash looks 3.0x cheaper. The ranking reverses once you divide by pass rate — the cheaper tokens do not win the task.
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Verified pricing, pass rate and cost per solved task for Solar Pro 4 and GLM 4.7 Flash Figure Solar Pro 4 GLM 4.7 Flash Input $/Mtok $0.3 $0.06 Output $/Mtok $1.2 $0.4 Cached input $/Mtok $0.06 $0.01 Pass rate 75% 71% Cost per solved task $0.0003 measured $0.0011 measured Cost per month $0.06 $0.22
Cost per month against tasks per month · drag the marker
Monthly cost against tasks per month Log-log lines for Solar Pro 4 (measured, $0.0003 per solved task), GLM 4.7 Flash (measured, $0.0011 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks. 10 100 1k 10k 100k $0.01 $0.1 $1 $10 $100 TASKS / MONTH (log) → 200 tasks Solar Pro 4 · MEASURED · $0.0003 per solved task $0.06 Solar Pro 4 MEASURED GLM 4.7 Flash · MEASURED · $0.0011 per solved task $0.22 GLM 4.7 Flash MEASURED Monthly cost against tasks per month Log-log lines for Solar Pro 4 (measured, $0.0003 per solved task), GLM 4.7 Flash (measured, $0.0011 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks. 10 100 1k 10k 100k $0.01 $0.1 $1 $10 $100 TASKS / MONTH (log) → 200 tasks Solar Pro 4 · MEASURED · $0.0003 per solved task $0.06 GLM 4.7 Flash · MEASURED · $0.0011 per solved task $0.22 — Solar Pro 4 · MEASURED — GLM 4.7 Flash · 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