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Head to head

DeepSeek V3.2 ExpvsGPT-5 Nano

For tasks, about a month.

Verdict · measured basis

DeepSeek V3.2 Exp costs $0.0001 per solved task against GPT-5 Nano at $0.0010 — ▼ 11x cheaper. Over 200 tasks that is $0.19 a month.

On output token price alone GPT-5 Nano looks 1.0x cheaper. The ranking reverses once you divide by pass rate — the cheaper tokens do not win the task.

Verified pricing, pass rate and cost per solved task for DeepSeek V3.2 Exp and GPT-5 Nano
FigureDeepSeek V3.2 ExpGPT-5 Nano
Input $/Mtok$0.27$0.05
Output $/Mtok$0.41$0.4
Cached input $/Mtok$0.27$0.005
Pass rate81%100%
Cost per solved task$0.0001measured$0.0010measured
Cost per month$0.02$0.21

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for DeepSeek V3.2 Exp (measured, $0.0001 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 tasksDeepSeek V3.2 Exp · MEASURED · $0.0001 per solved task$0.02GPT-5 Nano · MEASURED · $0.0010 per solved task$0.21— DeepSeek V3.2 Exp · 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