DeepSeek V4.1 Flash on KeyoAPI — Cheap High-Volume ID

deepseek-v4.1-flash is KeyoAPI’s low-cost DeepSeek Flash chat model for high-volume widgets, classification, and rewrites on one OpenAI-compatible key.

deepseek-v4.1-flash is a llm model on KeyoAPI, a prepaid AI API gateway: call it at POST /v1/chat/completions, billed at ~$0.14 / $0.56 per 1M in/out from the same balance that covers chat, vision, OCR and video models.

Listed price: ~$0.14 / $0.56 per 1M in/out · Live catalog: Model Square · Static list: pricing list.

Overview

Indicative sell rates are about $0.14 per 1M input and $0.56 per 1M output on POST /v1/chat/completions. The October 17 snapshot edition deepseek-v4.1-flash-1017 (~$0.02 / $0.06 per 1M) is a separate fixed-snapshot SKU featuring CED architecture and 1M context at aggressive unit rates, while deepseek-v4.1-flash tracks the floating production lane. It is not the same catalog row as deepseek-v4-flash (~$0.44 / $1.32) or deepseek-v4-flash-0731 (~$0.09 / $0.17). deepseek-v4-pro-0813 (~$0.14 / $0.29) is a separate Pro ID. Confirm live rates on the pricing page before volume. Family table: the DeepSeek API pricing page.

• Listed price: ~$0.14 / $0.56 per 1M in/out
• Billing base: $1 of wallet balance = 500,000 quota units
• Gift credit: new users get $10, invites add $3 (spend-first on :free IDs)
• Endpoint: POST /v1/chat/completions with Bearer auth on https://www.keyoapi.xyz/v1

How to call it

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"}]}'

FAQ

Related models

Guide for deepseek-v4.1-flash. Catalog: the pricing page · Rates: the full pricing list.