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Head to head

Claude Opus 5vsHermes 4 70B

For tasks, about a month.

Verdict · measured basis

Hermes 4 70B costs $0.0001 per solved task against Claude Opus 5 at $0.10 — ▼ 768x cheaper. Over 200 tasks that is $19 a month.

On output token price alone Hermes 4 70B looks 63x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for Claude Opus 5 and Hermes 4 70B
FigureClaude Opus 5Hermes 4 70B
Input $/Mtok$5$0.13
Output $/Mtok$25$0.4
Cached input $/Mtok$0.5$0.13
Pass rate100%58%
Cost per solved task$0.10measured$0.0001measured
Cost per month$19$0.03

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for Hermes 4 70B (measured, $0.0001 per solved task), Claude Opus 5 (measured, $0.10 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$0.001$0.01$0.1$1$10$100$1k$10kTASKS / MONTH (log) →200 tasksHermes 4 70B · MEASURED · $0.0001 per solved task$0.03Claude Opus 5 · MEASURED · $0.10 per solved task$19— Hermes 4 70B · MEASURED— Claude Opus 5 · MEASURED

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