DeepSeek Flash (V4.1) pricing
DeepSeek Flash (V4.1) costs $0.3 per million input tokens and $1.2 per million output tokens , with cached input at $0.006. Its context window is 1M tokens. Rates shown are peak; off-peak hours cost $0.15 in / $0.6 out.
Price per million tokens
| Input | $0.3 |
| Cached input | $0.006 |
| Output | $1.2 |
| Context window | 1M tokens |
| Batch discount | not offered |
API name is now deepseek-flash (DeepSeek-V4.1-Flash); the legacy name deepseek-v4-flash is still accepted and billed at these rates. Time-of-day pricing: 01:00-04:00 and 06:00-10:00 UTC Monday to Friday, excluding Chinese public holidays, are peak; all other hours bill at half
What it costs in practice
Monthly cost for three common workload shapes, with prompt caching applied.
| Workload | Shape | Per request | Per month |
|---|---|---|---|
| Support chatbot | 1.5k in / 400 out, 100k requests/month, 30% cached | $0.000798 | $79.77 |
| RAG / document Q&A | 12k in / 700 out, 50k requests/month, 60% cached | $0.00232 | $116.16 |
| Coding agent | 25k in / 2.5k out, 20k requests/month, 80% cached | $0.00462 | $92.40 |
Model your own workload with caching, batching and tokenizer correction →
Comparable models from other providers
| Model | Provider | Input | Output |
|---|---|---|---|
| Gemini 3.5 Flash-Lite | $0.3 | $2.5 | |
| Gemini 2.5 Flash | $0.3 | $2.5 | |
| GPT-5 mini | OpenAI | $0.25 | $2 |
| Gemini 3.1 Flash-Lite | $0.25 | $1.5 |
All figures verified 2026-10-05 against DeepSeek's official pricing documentation . Fields the provider does not publish are shown as “—” rather than estimated.