Skip to content
SOLVENCY

Head to head

DeepSeek V4 Flash vs Claude Fable 5

For tasks, about a month.

Verdict · measured basis

DeepSeek V4 Flash costs $0.12 per solved task against Claude Fable 5 at $17.46 — ▼ 146x cheaper. Over 200 tasks that is $3.5k a month.

On output token price alone DeepSeek V4 Flash looks 38x cheaper. The ranking holds, but the margin changes.

Verified pricing, pass rate and cost per solved task for DeepSeek V4 Flash and Claude Fable 5
FigureDeepSeek V4 FlashClaude Fable 5
Input $/Mtok$0.44$10
Output $/Mtok$1.32$50
Cached input $/Mtok$0.014$1
Pass rate50%67%
Cost per solved task$0.12measured$17.46measured
Cost per month$24$3.5k

Cost per month against tasks per month · drag the marker

Monthly cost against tasks per monthLog-log lines for DeepSeek V4 Flash (measured, $0.12 per solved task), Claude Fable 5 (measured, $17.46 per solved task) from 10 to 100,000 tasks a month. Marker at 200 tasks.101001k10k100k$1$10$100$1k$10k$100k$1MTASKS / MONTH (log) →200 tasksDeepSeek V4 Flash · MEASURED · $0.12 per solved task$24Claude Fable 5 · MEASURED · $17.46 per solved task$3.5k— DeepSeek V4 Flash · MEASURED— Claude Fable 5 · MEASURED

Solid measured · dashed modelled · dotted stale. The gap is the verdict.

Source: Artificial Analysis (artificialanalysis.ai) · verified 2026-08-21 · prices from each provider's pricing page; measured rows ignore the tier · Methodology · All models at these settings