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Head to head

Granite 4.1 8BvsGPT-5 Nano

For tasks, about a month.

Verdict · measured basis

Granite 4.1 8B costs $0.0000 per solved task against GPT-5 Nano at $0.0010 — ▼ 37x cheaper. Over 200 tasks that is $0.20 a month.

On output token price alone Granite 4.1 8B looks 4.0x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for Granite 4.1 8B and GPT-5 Nano
FigureGranite 4.1 8BGPT-5 Nano
Input $/Mtok$0.05$0.05
Output $/Mtok$0.1$0.4
Cached input $/Mtok$0.05$0.005
Pass rate64%100%
Cost per solved task$0.0000measured$0.0010measured
Cost per month$0.01$0.21

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for Granite 4.1 8B (measured, $0.0000 per solved task), GPT-5 Nano (measured, $0.0010 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$0.001$0.01$0.1$1$10$100TASKS / MONTH (log) →200 tasksGranite 4.1 8B · MEASURED · $0.0000 per solved task$0.01GPT-5 Nano · MEASURED · $0.0010 per solved task$0.21— Granite 4.1 8B · MEASURED— GPT-5 Nano · 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