Deepseek V4 Flash API Pricing & Quick Start

Name: Deepseek V4 Flash API
Brand: DeepSeek

DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and...

Intelligence#55 / 633

Artificial Analysis Intelligence Index

Speed#99 / 331

127.8

Output tokens per second (median)

Input Price#214 / 436

$0.20NT$ 6

USD / 1M tokens

Output Price#183 / 436

$0.18NT$ 6

USD / 1M tokens

First-token latency#57 / 331

0.92s

Time to first token (AA median)

Provider	DeepSeek
Released	April 2026
Model ID	`deepseek/deepseek-v4-flash`

Technical specifications

Context window

1M tokens

Reasoning

Yes

Input

Text

Output

Text

Pricing comparison

BazaarLink retail price alongside AA's observed market standard.

BazaarLink price our site

Input$0.20NT$ 6

Output$0.18NT$ 6

Cache read$0.02NT$ 1

Cache write—

3:1 blended (est.)$0.20NT$ 6

All prices per 1M tokens. Supports TWD credit card / official invoice.

Market reference Artificial Analysis

Input$0.44

Output$1.32

Cache readAA not tracked

Cache writeAA not tracked

3:1 blended—

Our price differs from AA reference by ~55%.
Source: artificialanalysis.ai

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 35

Coding 69

Math

MMLU

GPQA

This modelCategory leader

Coding ability

#55out of 256 models

LiveCodeBench / SciCode and similar

Overall intelligence

#55out of 633 models

Aggregated across academic benchmarks

Time to first token

#57out of 331 models

AA 全球 p50：0.92 秒

Intelligence

Top 9%

This model

Category leader

Median

Coding

Top 21%

This model

Category leader

Median

Top 5 — CodingCoding Index leaderboard

1Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)?/claude-fable-5-182$10 / $50

2Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)?/claude-fable-5-1-xhigh81$10 / $50

3Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)?/claude-fable-5-1-high79$10 / $50

4GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$4 / $20

5Claude Opus 5 (Adaptive Reasoning, Max Effort)anthropic/claude-opus-578$5 / $25

AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

Quick Start

Use Deepseek V4 Flash via BazaarLink API — just change the base_url:

Python

from openai import OpenAI

client = OpenAI(
    base_url="https://api.bazaarlink.ai/v1",
    api_key="sk-bl-YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="deepseek/deepseek-v4-flash",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

TypeScript

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.bazaarlink.ai/v1",
  apiKey: "sk-bl-YOUR_API_KEY",
});

const response = await client.chat.completions.create({
  model: "deepseek/deepseek-v4-flash",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use Deepseek V4 Flash via BazaarLink?

✓USD billing (TWD-quoted) + unified invoices — no foreign credit card needed for Taiwan teams
✓OpenAI-compatible API — zero code changes required
✓Automatic failover — multi-provider redundancy for the same model
✓Chinese-language support — local team, instant help

Try Now ← All Models

Frequently Asked Questions

What is Deepseek V4 Flash?

How much does the Deepseek V4 Flash API cost?

Deepseek V4 Flash costs $0.20 per 1M input tokens and $0.18 per 1M output tokens when accessed through BazaarLink.

How do I use Deepseek V4 Flash with the OpenAI SDK?

Set base_url to "https://api.bazaarlink.ai/v1" and use model ID "deepseek/deepseek-v4-flash". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for Deepseek V4 Flash?

Deepseek V4 Flash supports a context window of 1,048,576 tokens.

Is Deepseek V4 Flash available for free?

Deepseek V4 Flash is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

Relay integrity checks

Tested endpoints: 16 runs
Independent hosts: 1
Model-family fingerprint match: 94%
Anomalies detected: 7 runs
Data range: past 90 days

BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.

View the full integrity report →