DeepSeek model
DeepSeek V4.1 Flash API cost calculator
DeepSeek V4.1 Flash costs $0.14 per 1M input tokens and $0.42 per 1M output tokens on the DeepSeek API, with a 1.0M-token context window. A typical request (2K input, 500 output tokens) costs $0.0005 — about $14.70/month at 1,000 requests per day. Use the calculator below to model your exact workload.
Find me a cheaper modelWhat real workloads cost on DeepSeek V4.1 Flash
| Workload | Tokens (in / out) | Per request | Per 1K requests |
|---|---|---|---|
| Chatbot message | 500 / 300 | $0.0002 | $0.20 |
| RAG query with context | 4,000 / 500 | $0.0008 | $0.77 |
| Document summarization | 20,000 / 1,000 | $0.0032 | $3.22 |
| Agent coding session | 100,000 / 5,000 | $0.02 | $16.10 |
DeepSeek V4.1 Flash vs other DeepSeek models
| Model | Input /1M | Output /1M | Context |
|---|---|---|---|
| DeepSeek V4.1 Flash | $0.14 | $0.42 | 1.0M |
| DeepSeek V4.1 Flash 1017 | $0.15 | $0.60 | 1.0M |
| DeepSeek V4 Flash Vision Exp | $0.22 | $0.65 | 1.0M |
| DeepSeek V4 Pro 0813 | $0.66 | $1.98 | 1.0M |
| DeepSeek V4 Flash 0731 | $0.12 | $0.24 |
Frequently asked questions
How much does DeepSeek V4.1 Flash cost per 1M tokens?
According to current pricing data, DeepSeek V4.1 Flash costs $0.14 per 1M input tokens and $0.42 per 1M output tokens. Processing 1M tokens each way costs $0.56.
What does a typical API request to DeepSeek V4.1 Flash cost?
A typical request with 2,000 input tokens and 500 output tokens costs $0.0005. At 1,000 requests per day that is $0.49 daily, or about $14.70 per month.
What is DeepSeek V4.1 Flash's context window?
DeepSeek V4.1 Flash supports a 1.0M-token context window (1,048,576 tokens).
Does DeepSeek V4.1 Flash support prompt caching?
Yes. Cached input tokens cost $0.00 per 1M — a 97% discount versus the standard input rate, which matters for agents and chat apps that resend the same system prompt.
What is a cheaper alternative to DeepSeek V4.1 Flash?
gpt-oss-20b from OpenAI is currently the cheapest comparable option at $0.02 per 1M input tokens versus $0.14 for DeepSeek V4.1 Flash — roughly 8x cheaper on input.
Prices may differ from DeepSeek's official pricing page for batch, tiered, or fine-tuned usage. Compare all current prices on the live model pricing dashboard, see DeepSeek V4.1 Flash vs gpt-oss-20b pricing, or run DeepSeek V4.1 Flash head-to-head against other models in the side-by-side comparison playground.
Pricing data via the OpenRouter models API.