DeepSeek-V4 Flash pricing
DeepSeek-V4 Flash API cost from DeepSeek — $0.140 per 1M input tokens and $0.280 per 1M output tokens. Non-thinking mode, very cheap. Estimate your real monthly bill below, then compare it against every other model.
Fast / cheap open weights 128K context · all prices USD per 1M tokens, list price last verified 2026-06-27.
DeepSeek-V4 Flash capabilities & limits
Representative specs for this tier — confirm exact limits in the DeepSeek docs.
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Call DeepSeek-V4 Flash from your code
The exact model string and endpoint to use. Works with the OpenAI SDK — just point base_url at the URL below.
deepseek-chathttps://api.deepseek.com/v1DEEPSEEK_API_KEYcurl https://api.deepseek.com/v1/chat/completions \
-H "Authorization: Bearer $DEEPSEEK_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-chat",
"messages": [{"role": "user", "content": "Hello"}]
}'Model strings follow each provider's naming convention; confirm the current id in the DeepSeek docs before relying on it.
What a DeepSeek-V4 Flash API call actually costs
Blended input + output cost at DeepSeek-V4 Flash's list rates — useful yardsticks before you commit to volume.
DeepSeek-V4 Flash cost calculator
Enter your monthly volume to estimate the DeepSeek-V4 Flash bill. Runs entirely in your browser.
DeepSeek models — DeepSeek-V4 Flash in context
How DeepSeek-V4 Flash prices against its siblings. Cheapest reference cost first.
| Model | Input /1M | Output /1M | Cost / call* | Context | Type |
|---|---|---|---|---|---|
| DeepSeek-V4 Flash Non-thinking mode, very cheap | $0.140 | $0.280 | $0.0004 | 128K | Fast / cheap open |
| DeepSeek-V4 Pro Thinking mode | $0.435 | $0.870 | $0.0013 | 128K | Reasoning open |
*Reference cost of one call with 1,000 input + 1,000 output tokens — a neutral yardstick. Use the calculator for your real usage. Cheapest row highlighted.
How DeepSeek-V4 Flash pricing works
DeepSeek-V4 Flash is billed per token: a lower input price of $0.140 per million tokens for everything you send, and a higher output price of $0.280 per million for everything the model generates. To turn that into a real DeepSeek-V4 Flash bill, multiply by your monthly request volume and average prompt/response length — the calculator above does exactly that.
Prompt caching is the biggest lever on your DeepSeek-V4 Flash cost: cached input tokens bill at just $0.0028 per million — about 98% cheaper. If you reuse a long system prompt or context across calls, caching can dramatically cut the input portion of your bill.
List prices move fast — always confirm the current numbers on the official DeepSeek pricing page before relying on them for budgeting.
DeepSeek-V4 Flash pricing FAQ
How much does the DeepSeek-V4 Flash API cost?
DeepSeek-V4 Flash costs $0.140 per 1M input tokens and $0.280 per 1M output tokens, with cached input at $0.0028 per 1M (about 98% off). A typical 3K-input / 500-output call works out to about $0.0006.
What is DeepSeek-V4 Flash's context window?
DeepSeek-V4 Flash has a 128K-token context window. Tokens you put in the prompt are billed at the $0.140 per 1M input rate.
Does DeepSeek-V4 Flash support prompt caching?
Yes. DeepSeek-V4 Flash bills cached input tokens at $0.0028 per 1M instead of $0.140 — roughly 98% cheaper for the repeated part of your prompts.
Is there a cheaper alternative to DeepSeek-V4 Flash?
In the same fast / cheap tier, Gemini 1.5 Flash-8B (Google) is cheaper at $0.037 in / $0.150 out. The overall cheapest model on the market is Gemini 1.5 Flash-8B.
Is DeepSeek-V4 Flash open weights?
Yes — DeepSeek-V4 Flash is released as open weights, so you can self-host it instead of paying per-token API rates. The prices here are a representative hosted endpoint.