DeepSeek · deepseek-v4.1-flash
DeepSeek V4.1 Flash API pricing
Use DeepSeek V4.1 Flash by DeepSeek through Keyino for 53.9% of the official price. One API key, OpenAI-compatible and native Anthropic endpoints, pay as you go. Save 46%
| Per 1M tokens | Keyino | Official |
|---|---|---|
| Input | $0.0809 | $0.15 |
| Output | $0.3237 | $0.6 |
| Cache read | $0.0022 | — |
Example cost
Reading 1M tokens and writing 100K tokens with DeepSeek V4.1 Flash costs about $0.1133 on Keyino, versus $0.21 at the official price.
Quick start
Create an API key at keyino.cc, then point your client to Keyino:
curl https://api.keyino.cc/v1/chat/completions \
-H "Authorization: Bearer sk-your-key" \
-H "Content-Type: application/json" \
-d '{"model":"deepseek-v4.1-flash","messages":[{"role":"user","content":"Hello"}]}'FAQ
Is this the real DeepSeek V4.1 Flash?
Yes. Requests are relayed to upstream providers serving DeepSeek V4.1 Flash; Keyino does not substitute other models. Usage, tokens and cost for every request are visible in your usage logs.
How do I pay?
Keyino is prepaid in US dollars. Top up with USDT at 1 USDT = $1. Failed requests are not charged and your balance never expires.
Is there free credit?
New accounts get $1 free credit, enough for about 3M Claude Opus 5.5 input tokens.
Prices updated 2026-10-09. Long-context requests may be billed at a higher tier where the official price does.

