DeepSeek
DeepSeek V4.1 Flash
80% under DeepSeek's list price on input and 85% on output
DeepSeek V4.1 Flash by DeepSeek through the RelaySwitch API: $0.06 per million input tokens, $0.18 per million output tokens. Pay by card or crypto (Card, Apple Pay, PayPal, USDT, USDC, BTC, ETH, SOL). No KYC.
Input / M$0.06DeepSeek list: $0.30
Cached input / M$0.0063DeepSeek list: $0.006
Output / M$0.18DeepSeek list: $1.20
Specs
- Model id
deepseek-v4.1-flash- Developer
- DeepSeek
- Context window
- 1M tokens
- Max output
- 393K tokens
- Input
- text, image
- Released
- 2026-09-10
Call it
bash
1
curl https://api.relayswitch.io/v1/chat/completions \2
-H "Authorization: Bearer $RELAYSWITCH_KEY" \3
-H "Content-Type: application/json" \4
-d '{5
"model": "deepseek-v4.1-flash",6
"messages": [{"role": "user", "content": "Hello"}]7
}'Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to deepseek-v4.1-flash. Get a key or read the docs.
FAQs
DeepSeek V4.1 Flash: questions
Payment, keys and billing in short.
Run DeepSeek V4.1 Flash today
Top up by card or crypto and send "deepseek-v4.1-flash".