Head to head
vs BY For light moderate heavy
Verdict · measured basis
GLM 4.7 Flash costs $0.0011 per solved task against
Seed 1.6 Flash at $0.0013 — ▼ 1.2x cheaper .
Over 200 tasks that is $0.04 a month.
On output token price alone Seed 1.6 Flash looks 1.3x 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 GLM 4.7 Flash and Seed 1.6 Flash Figure GLM 4.7 Flash Seed 1.6 Flash Input $/Mtok $0.06 $0.075 Output $/Mtok $0.4 $0.3 Cached input $/Mtok $0.01 $0.075 Pass rate 71% 75% Cost per solved task $0.0011 measured $0.0013 measured Cost per month $0.22 $0.26
Cost per month against tasks per month · drag the marker
Monthly cost against tasks per month Log-log lines for GLM 4.7 Flash (measured, $0.0011 per solved task), Seed 1.6 Flash (measured, $0.0013 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 GLM 4.7 Flash · MEASURED · $0.0011 per solved task $0.22 GLM 4.7 Flash MEASURED Seed 1.6 Flash · MEASURED · $0.0013 per solved task $0.26 Seed 1.6 Flash MEASURED Monthly cost against tasks per month Log-log lines for GLM 4.7 Flash (measured, $0.0011 per solved task), Seed 1.6 Flash (measured, $0.0013 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 GLM 4.7 Flash · MEASURED · $0.0011 per solved task $0.22 Seed 1.6 Flash · MEASURED · $0.0013 per solved task $0.26 — GLM 4.7 Flash · MEASURED — Seed 1.6 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