DeepSeek
DeepSeek v4 Flash
Chat
The deepseek 4 flash api delivers sub-second response times and 128k context. Powered by MoE architecture, this deepseek 4 flash model excels at coding and high-throughput tasks at a fraction of the cost of competitors like GPT-4o-mini.

Modalities

Input: Text
Output: Text

Context

API Usage Examples
curl --request POST "https://gptproto.com/v1/chat/completions" \
  --header "Authorization: Bearer $GPTPROTO_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "model": "deepseek-v4-flash",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'
DeepSeek v4 Flash pricing

Estimate a request with real work scenarios using current GPTProto rates.

Off-peak discount (Beijing time): 18:00–09:00, 12:00–14:00 · 0.5× rate. Estimates use standard rates; actual charges follow request time.

Cost calculator

Multi-turn agent with cached context.
$0.44 / 1M$0.00066
$1.32 / 1M$0.001056
$0.014 / 1M$0.00035
Cost per request$0.002066

Top up

GPTProto vs official pricing.
Requests
You pay$100
You receive$100.00

DeepSeek 4 Flash Core Features

Technical highlights of the deepseek 4 flash api performance and architecture.

MoE Efficiency

DeepSeek 4 uses a Mixture-of-Experts design to provide high intelligence with sub-second latency.

Elite Coding

With an 85.4% HumanEval score, deepseek 4 outperforms competitors in real-world programming tasks.

128k Context

The deepseek 4 flash api handles 128,000 tokens, perfect for long-form content and data extraction.

Cost Leadership

DeepSeek 4 offers a 40-60% price advantage over GPT-4o-mini for production-scale deployments.

Related Models
All Models
ModelInput → Output
DeepSeek v4 FlashCurrent
—1.05M$0.44 / $1.32 per 1M— / $0.01 per 1M
Input: Text
Output: Text
Gemini 3.7 Flash
1.05M$0.45 / $2.25 per 1M— / $0.04 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Grok 4.6
500K$1.20 / $3.60 per 1M— / $0.30 per 1M
Input: TextInput: Image
Output: Text
Qwen3.8 Max
1M$1.80 / $5.40 per 1M$2.25 / $0.23 per 1M
Input: TextInput: ImageInput: VideoInput: Document
Output: Text
Claude Opus 5
1M$4.00 / $20.00 per 1M$5.00 / $0.40 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Gemini 3.6 Flash
1.05M$0.45 / $2.25 per 1M— / $0.04 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Gemini 3.5 Flash Lite
1.05M$0.18 / $1.50 per 1M$0.02 / $0.02 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Kimi K3
1.05M$2.70 / $13.50 per 1M$0.27 / $0.27 per 1M
Input: TextInput: ImageInput: Document
Output: Text
GPT 5.6 Luna
1.05M$0.16 / $0.96 per 1M$0.20 / $0.02 per 1M
Input: TextInput: ImageInput: Document
Output: Text
GPT 5.6 Terra
1.05M$1.60 / $9.60 per 1M$2.00 / $0.16 per 1M
Input: TextInput: ImageInput: Document
Output: Text
GPT 5.6 Sol
1.05M$4.00 / $24.00 per 1M$5.00 / $0.40 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Grok 4.5
500K$1.20 / $3.60 per 1M$0.30 / $0.30 per 1M
Input: TextInput: Image
Output: Text
Claude Sonnet 5
1M$1.60 / $8.00 per 1M$2.00 / $0.16 per 1M
Input: TextInput: Document
Output: Text
Minimax M3
1.05M$0.48 / $0.96 per 1M$0.10 / $0.10 per 1M
Input: TextInput: ImageInput: Document
Output: Text
GLM 5.2
1.05M$1.26 / $3.96 per 1M$0.23 / $0.23 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Claude Fable 5
1M$8.00 / $40.00 per 1M$10.00 / $0.80 per 1M
Input: TextInput: Document
Output: Text
Qwen3.7 Max
1M$0.36 / $1.44 per 1M$0.07 / $0.07 per 1M
Input: TextInput: Document
Output: Text
DeepSeek v4 Pro
—1.05M$1.32 / $3.96 per 1M— / $0.04 per 1M
Input: Text
Output: Text
Grok 4.3
1M$0.75 / $1.50 per 1M$0.12 / $0.12 per 1M
Input: TextInput: Image
Output: Text
Kimi K2.6
262K$0.85 / $3.60 per 1M$0.14 / $0.14 per 1M
Input: TextInput: Document
Output: Text
GLM 5.1
205K$1.26 / $3.96 per 1M$0.23 / $0.23 per 1M
Input: TextInput: Document
Output: Text
GLM 5 Turbo
203K$1.08 / $3.60 per 1M$0.22 / $0.22 per 1M
Input: TextInput: Document
Output: Text
DeepSeek v3.2
164K$0.17 / $0.25 per 1M$0.02 / $0.02 per 1M
Input: Text
Output: Text
Minimax M2.5
205K$0.24 / $0.96 per 1M$0.30 / $0.02 per 1M
Input: TextInput: Document
Output: Text
Kimi K2.5
262K$0.54 / $2.70 per 1M$0.09 / $0.09 per 1M
Input: TextInput: Document
Output: Text
Qwen Turbo
—$0.04 / $0.18 per 1M$0.009 / $0.009 per 1M
Input: Text
Output: Text
DeepSeek v3
—$0.16 / $0.65 per 1M—
Input: Text
Output: Text
DeepSeek R1
64K$0.33 / $1.31 per 1M—
Input: Text
Output: Text
Doubao Seed 1.6 Thinking 250715
262K$0.10 / $0.97 per 1M—
Input: TextInput: Image
Output: Text
Doubao Seed 1.6 Thinking 250615
262K$0.10 / $0.97 per 1M—
Input: TextInput: Image
Output: Text
Doubao Seed 1.6 Flash 250615
262K$0.02 / $0.18 per 1M—
Input: TextInput: Image
Output: Text

DeepSeek 4 Flash API Common Questions

Find expert answers regarding the deepseek 4 flash api integration, performance, and billing on GPTProto.com.

How does deepseek 4 flash api speed compare to others?

The deepseek 4 flash api is built for ultra-low latency. With its MoE architecture, it typically delivers a TTFT of 150ms and maintains a throughput exceeding 100 tokens per second. This makes deepseek 4 significantly faster than many standard models in its class, ensuring that deepseek users experience minimal lag in real-time chat or code completion scenarios.

Is my data private when using the deepseek 4 flash api?

Yes. When you access the deepseek 4 flash api through GPTProto.com, your data is protected. We do not use any API inputs or outputs for training purposes. This applies to both our platform and the underlying DeepSeek-AI infrastructure, ensuring that your proprietary deepseek 4 workflows remain confidential and secure at all times.

What is the context limit for deepseek 4 flash?

The deepseek 4 flash api supports a 128,000 token context window. It utilizes Multi-Head Latent Attention (MLA) to maintain 99.9% accuracy in retrieval across the entire window. This allows deepseek 4 to handle large document sets for RAG applications much more efficiently than models with smaller windows or less optimized attention mechanisms.

How do I migrate to the deepseek 4 flash api?

Migration is straightforward because the deepseek 4 flash api is fully OpenAI-compatible. To switch, you simply need to update your base URL to the GPTProto.com endpoint and change the model identifier to deepseek-v4-flash. Most deepseek users can complete this transition in under five minutes without changing their existing logic or response parsing code.

Can deepseek 4 flash handle complex coding tasks?

Absolutely. Despite being a speed-optimized model, deepseek 4 flash achieves an 85.4% HumanEval score. This deepseek 4 capability makes it perfect for real-time IDE ghost-text, boilerplate generation, and syntax correction. While the deepseek 4 Pro model is better for deep architectural reasoning, the flash api is excellent for most day-to-day coding needs.

What are the deepseek 4 flash api token costs?

The deepseek 4 flash api is highly economical, priced at approximately $0.05 per 1M input tokens and $0.15 per 1M output tokens. At GPTProto.com, we provide these direct vendor rates with the added benefit of unified billing and failover protection, making deepseek 4 one of the most cost-effective solutions for high-volume production environments.

Related Articles

Guides, comparisons, and updates related to this model.

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