Skip to content
SOLVENCY
Request a demo

Account controls are loading.

Head to head

DeepSeek V4 Flash 0731vsLlama 3.1 70B Instruct

For tasks, about a month.

Verdict · measured basis

DeepSeek V4 Flash 0731 costs $0.0002 per solved task against Llama 3.1 70B Instruct at $0.0005 — ▼ 3.0x cheaper. Over 200 tasks that is $0.07 a month.

On output token price alone DeepSeek V4 Flash 0731 looks 3.3x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for DeepSeek V4 Flash 0731 and Llama 3.1 70B Instruct
FigureDeepSeek V4 Flash 0731Llama 3.1 70B Instruct
Input $/Mtok$0.06$0.4
Output $/Mtok$0.12$0.4
Cached input $/Mtok$0.012$0.4
Pass rate89%50%
Cost per solved task$0.0002measured$0.0005measured
Cost per month$0.04$0.11

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for DeepSeek V4 Flash 0731 (measured, $0.0002 per solved task), Llama 3.1 70B Instruct (measured, $0.0005 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$0.001$0.01$0.1$1$10TASKS / MONTH (log) →200 tasksDeepSeek V4 Flash 0731 · MEASURED · $0.0002 per solved task$0.04Llama 3.1 70B Instruct · MEASURED · $0.0005 per solved task$0.11— DeepSeek V4 Flash 0731 · MEASURED— Llama 3.1 70B Instruct · 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