Head to head
QW vs NO For light moderate heavy
Verdict · measured basis
Hermes 4 70B costs $0.0001 per solved task against
Qwen3.5-Flash at $0.0015 — ▼ 11x cheaper .
Over 200 tasks that is $0.27 a month.
On output token price alone Qwen3.5-Flash looks 1.5x 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 Qwen3.5-Flash and Hermes 4 70B Figure Qwen3.5-Flash Hermes 4 70B Input $/Mtok $0.065 $0.13 Output $/Mtok $0.26 $0.4 Cached input $/Mtok $0.065 $0.13 Pass rate 89% 58% Cost per solved task $0.0015 measured $0.0001 measured Cost per month $0.29 $0.03
Cost per month against tasks per month · drag the marker
Monthly cost against tasks per month Log-log lines for Hermes 4 70B (measured, $0.0001 per solved task), Qwen3.5-Flash (measured, $0.0015 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks. 10 100 1k 10k 100k $0.001 $0.01 $0.1 $1 $10 $100 TASKS / MONTH (log) → 200 tasks Hermes 4 70B · MEASURED · $0.0001 per solved task $0.03 Hermes 4 70B MEASURED Qwen3.5-Flash · MEASURED · $0.0015 per solved task $0.29 Qwen3.5-Flash MEASURED Monthly cost against tasks per month Log-log lines for Hermes 4 70B (measured, $0.0001 per solved task), Qwen3.5-Flash (measured, $0.0015 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks. 10 100 1k 10k 100k $0.001 $0.01 $0.1 $1 $10 $100 TASKS / MONTH (log) → 200 tasks Hermes 4 70B · MEASURED · $0.0001 per solved task $0.03 Qwen3.5-Flash · MEASURED · $0.0015 per solved task $0.29 — Hermes 4 70B · MEASURED — Qwen3.5-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