KeyoAPI

DeepSeek V4 Flash API — Pricing & Free Prototype Path

Looking up DeepSeek V4 Flash pricing or a free path on an OpenAI-compatible relay?

deepseek-v4-flash is a llm model on KeyoAPI, a prepaid AI API gateway: call it at POST /v1/chat/completions, billed at ~$0.44 / $1.32 per 1M in/out from the same balance that covers chat, vision, OCR and video models.

Listed price: ~$0.44 / $1.32 per 1M in/out · Live catalog: Model Square · Static list: pricing list.

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Overview

On KeyoAPI, deepseek-v4-flash is a metered catalog ID at indicative ~$0.44 / $1.32 per 1M in/out — confirm live on the full pricing list. It is not the same row as deepseek-v4.1-flash (~$0.14 / $0.56) or deepseek-v4-flash-0731 (~$0.09 / $0.17). Prefer deepseek-v4.1-flash for cheaper high-volume paid Flash; keep deepseek-v4-flash when your stack already pins this exact model string. For prototyping on the same API key, choose a gift-credit ID from the gift-credit models page and check its current rate. Calls use gift credits first; any shortfall may be charged to recharge balance. The :free suffix does not guarantee a zero rate. Switching to a metered Flash ID keeps the same base URL and auth. deepseek-v4-pro-0813 (~$0.14 / $0.29) is a separate Pro model. Family table: the DeepSeek API pricing page. Call POST /v1/chat/completions with Bearer auth and model=deepseek-v4-flash.

How to call it

Base URL: https://www.keyoapi.xyz/v1

Endpoint: POST /v1/chat/completions

Model: model=deepseek-v4-flash

curl https://www.keyoapi.xyz/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"deepseek-v4-flash","messages":[{"role":"user","content":"Hello from DeepSeek V4 Flash"}]}'

Auth uses the same Bearer API key as chat. Full notes: Keyo docs.

FAQ

What is deepseek-v4-flash pricing on Keyo?

Indicative ~$0.44 / $1.32 per 1M in/out. Confirm live on the full pricing list. Family table: the DeepSeek API pricing page.

Is there a free DeepSeek V4 Flash?

This ID is metered. To prototype on the same key, use gift-credit catalog IDs on the gift-credit models page — gift-credit twins billed from your one-time $10 new-user credit (fair-use rate limits) (including DeepSeek-Prover-V2-7B), then switch model= to deepseek-v4-flash or deepseek-v4.1-flash when you need this Flash band.

Is this the cheapest DeepSeek Flash?

No. Prefer deepseek-v4.1-flash (~$0.14 / $0.56) for the newer Flash lane. Confirm all IDs on the pricing page.

Related models

DeepSeek V4.1 Flash on KeyoAPI DeepSeek V4 Pro on KeyoAPI GPT-6 Luna API on KeyoAPI

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