DeepSeek
DeepSeek V4.1 Flash Fast
Price
$0.30 per 1M input tokens
$1.20 per 1M output
curl https://tokenharbor.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENHARBOR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash-fast",
"messages": [{"role": "user", "content": "Why is the sky blue?"}]
}'Model ID
deepseek-v4.1-flash-fastTypechat
Context window1,048,576 tokens
Maximum output tokens128,000
Input$0.30 / 1M tokens
Output$1.20 / 1M tokens
Capabilities—
Modalitiestext