Count tokens for DeepSeek V4 Flash and estimate API cost before you send a request. DeepSeek does not publish this tokenizer, so counts are calibrated estimates for planning.Your text never leaves the browser.
Paste your prompt into the counter on this page. DeepSeek does not publish the DeepSeek V4 Flash tokenizer, so the count is a calibrated estimate based on text length, language, and structure. Treat it as planning guidance rather than an exact billing number.
How much does DeepSeek V4 Flash cost per token?
DeepSeek V4 Flash costs $0.14 per 1 million input tokens and $0.28 per 1 million output tokens, based on official DeepSeek pricing checked 2026-08-11.
What is the context window of DeepSeek V4 Flash?
DeepSeek V4 Flash has a context window of 1,000,000 tokens, which is roughly 750,000 English words of combined prompt and response. The counter above shows how much of that window your text consumes.
Is this DeepSeek V4 Flash token count exact?
No. It is a clearly labeled estimate, because DeepSeek has not released a public tokenizer for DeepSeek V4 Flash. Estimates are usually within a reasonable range for English text but can drift for code, JSON, or non-English languages.