DeepSeek Flash (V4.1 Flash 1017) API pricing and agent cost
| Provider | DeepSeek |
|---|---|
| Input | $0.3 / 1M tokens |
| Output | $1.2 / 1M tokens |
| Cached input | $0.006 / 1M tokens |
API model deepseek-flash, served by DeepSeek-V4.1-Flash-1017. Peak-hour price; off-peak $0.15/$0.60. Open-weights model. Server-side Search/Fetch tool calls (e.g. via Claude Code or Codex) cost $0.75 per 1K requests starting Nov 1, 2026.
Source: https://api-docs.deepseek.com/quick_start/pricing (checked 2026-10-25)
Example agent cost
An agent making 5 tool calls per task, with 3,000 input and 800 output tokens per call, running 100 tasks a day costs about $0.0093 per task, $0.9300 per day, and $27.90 per month on DeepSeek Flash (V4.1 Flash 1017).
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