DeepSeek V4 Flash

A 284B-total / 13B-active MoE with 1M context, built for high concurrency and low latency; implicit caching needs no setup and lands near-full hits from the second turn.

Specifications

Item	Value
Model ID	`deepseek-v4-flash`
Vendor	DeepSeek
Available on APIYI	2026-04-24
Knowledge cutoff	Not disclosed
Input modalities	Text
Output modalities	Text
Context window	1,048,576 tokens
Max output	393,216 tokens
Billing	Usage-based

Pricing

Prices in USD per 1M tokens ($/1M).

Input	Cached input	Output
$0.44	$0.01408	$1.32

The table shows list prices. Recharge promotions and group discounts stack; the console reflects the actual charge in real time. See Pricing and Recharge promotions.

Endpoints

Endpoint	Path	Supported
`OpenAI Chat Completions`	`POST /v1/chat/completions`	✅
`OpenAI Responses`	`POST /v1/responses`	—
`Anthropic Messages`	`POST /v1/messages`	✅
`Gemini Generate Content`	`POST /v1beta/models/{model}:generateContent`	—
`Image Generations`	`POST /v1/images/generations`	—
`Embeddings`	`POST /v1/embeddings`	—

Billing groups

Group	Multiplier	Notes
`ClaudeCode`	0.95×	95% of list price
`CodexResponses`	1×	List price
`Default`	1×	List price
`SVIP`	1×	List price

Some groups carry extra discounts, stackable with recharge bonuses. See Tokens and groups.

Supported features

Feature	Supported
Streaming	✅
Tool calling	✅
Structured outputs	—
Prompt caching	✅
Extended thinking	Opt-in
Web search	—

Example request

The example below calls deepseek-v4-flash through OpenAI Chat Completions (/v1/chat/completions). Point base_url at https://api.apiyi.com/v1 — everything else matches the official API.

curl https://api.apiyi.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $APIYI_API_KEY" \
  -d '{
    "model": "deepseek-v4-flash",
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Read the key from an environment variable, never hard-coded. In production, issue separate tokens per use case so you can revoke and attribute usage individually.

Launch announcement

Background, benchmarks and migration notes for DeepSeek V4 Flash

Overview

Parameters, usage and best practices

DeepSeek V4 Pro

Details for a model in the same family

Model pricing directory

Live pricing, endpoints and groups for all 296 models

Specs on this page are maintained by hand in models/data/model-details.json; pricing and endpoints come from the live pricing API, updated 2026-08-17 13:47 (UTC+8), specs last verified 2026-08-17.

Pricing Table

Model Comparison

OpenAI

Anthropic

Google

xAI

DeepSeek

Alibaba

ByteDance

Moonshot

Zhipu

MiniMax

Specifications

Pricing

Endpoints

Billing groups

Supported features

Example request

Launch announcement

Overview

DeepSeek V4 Pro

Model pricing directory

​Specifications

​Pricing

​Endpoints

​Billing groups

​Supported features

​Example request

​Related docs

Launch announcement

Overview

DeepSeek V4 Pro

Model pricing directory

Specifications

Pricing

Endpoints

Billing groups

Supported features

Example request

Related docs