KeyoAPI
DeepSeek V4.1 Flash on KeyoAPI — Cheap High-Volume ID
deepseek-v4.1-flash is KeyoAPI’s low-cost DeepSeek Flash ID for chat widgets, classification, and high-volume rewrites — indicative ~$0.18 / $0.72 per 1M in/out.
Overview
deepseek-v4.1-flash is KeyoAPI’s low-cost DeepSeek Flash ID for chat widgets, classification, and high-volume rewrites — indicative ~$0.18 / $0.72 per 1M in/out. It is not the same catalog row as deepseek-v4-flash (~$1.10 / $3.30) or deepseek-v4-flash-0731 (~$0.26 / $0.79). deepseek-v4-pro-0813 (~$0.79 / $2.38) is a separate Pro ID, not an automatic upgrade. Confirm interactive /pricing before volume. Family table: /deepseek-api-pricing.
Quick start
Base URL: https://www.keyoapi.xyz/v1
Endpoint: POST /v1/chat/completions
Model: model=deepseek-v4.1-flash
curl https://www.keyoapi.xyz/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"deepseek-v4.1-flash","messages":[{"role":"user","content":"Hello from DeepSeek V4.1 Flash"}]}'Auth uses the same Bearer API key as chat. Full notes: Keyo docs.
FAQ
Which DeepSeek Flash ID is cheapest?
deepseek-v4.1-flash (~$0.18 / $0.72 per 1M indicative). deepseek-v4-flash (~$1.10 / $3.30) and deepseek-v4-flash-0731 (~$0.26 / $0.79) are separate catalog IDs — confirm on /pricing.
Is Pro an upgrade from this Flash ID?
No. deepseek-v4.1-flash and deepseek-v4-pro-0813 are different model IDs. Pick the ID you mean; confirm live rates on /pricing.
How do I call it?
POST https://www.keyoapi.xyz/v1/chat/completions with model=deepseek-v4.1-flash and your Keyo API key.