DeepSeek V4 Pro API

deepseek/deepseek-v4-pro
V4 Pro's architecture is the first open-weights model to make 1M-token context viable not just technically, but economically at competitive pricing, not as a premium add-on.
Context
1M tokens
Input
$0.5655 / 1M tokens
Output
$1.131 / 1M tokens
Released
Apr 24, 2026

How to use DeepSeek V4 Pro API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to deepseek/deepseek-v4-pro.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "deepseek/deepseek-v4-pro",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "deepseek/deepseek-v4-pro",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"deepseek/deepseek-v4-pro","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

DeepSeek V4 Pro API Pricing

TypePrice
Input
$0.5655 / 1M tokens
Output
$1.131 / 1M tokens
Cached input
$0.0047125 / 1M tokens

DeepSeek V4 Pro Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
Terminal-Bench
67.9%
Autonomous shell/terminal task completionSourceJuly 12, 2026
LiveCodeBench
93.5%
Contamination-free competitive programming problemsSourceJuly 12, 2026
GPQA Diamond
90.1%
Google-proof graduate science questions (hardest subset)SourceJuly 12, 2026
SWE-bench Verified
80.6%
Resolving verified real GitHub issuesSourceJuly 12, 2026
Intelligence
36.3
Composite score across standardised reasoning, knowledge and problem-solving evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026
Coding
68.8
Composite score across standardised coding evaluations, measured independently by Artificial AnalysisSourceSeptember 12, 2026

DeepSeek V4 Pro vs other models

ModelInputOutputContextBest for
$0.5655 / 1M tokens
$1.131 / 1M tokens
1M tokens
Reasoning + agents
$6.5 / 1M tokens
$39 / 1M tokens
1.05M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$0.65 / 1M tokens
$3.9 / 1M tokens
1.05M tokens
Reasoning + agents

Frequently asked questions

DeepSeek V4 Pro has a 1,000,000 tokens context window and can return up to 384,000 tokens.

DeepSeek V4 Pro takes text as input and returns text.

Use deepseek/deepseek-v4-pro as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

DeepSeek V4 Pro became available on April 24, 2026.

DeepSeek V4 Pro is priced at input $0.5655 / 1M tokens, output $1.131 / 1M tokens, cached input $0.0047125 / 1M tokens.

Yes, DeepSeek V4 Pro can stream responses as they are generated.

DeepSeek V4 Pro was built by DeepSeek.

Start building with DeepSeek V4 Pro

Get API Key
1000+ models, one API.