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DeepSeek: DeepSeek V4 Pro API

deepseek/deepseek-v4-pro
Playground

DeepSeek V4 Pro API is a text-only reasoning model with roughly 1.05M context and the lowest output rate among ranked models in this catalog. It targets long, cost-sensitive analysis where latency is less critical. [1]

Its max run ranks #13 with a 49.97 median and 68.00 best score. The 1,468-second measured completion time is high, but the benchmark test cost is far below similarly ranked premium models. [1][2]

MODALITIES
Price$0.2175 / $0.435 / 1MCONTEXT1.0486M

Playground

Test DeepSeek V4 Pro API with representative production prompts before using deepseek-v4-pro in a live workflow.

Providers

APINEED lists DeepSeek V4 Pro API with text input, text output, and a 1.048576M context window. APINEED routing and prepaid rates are identified separately. [1]

API Need50% off
Uptime
Total Context
1.0486M
Max Output
384K
Input
$0.2175/ 1M
Output
$0.435/ 1M
Cache Read
$0.0018/ 1M
Cache Write
Route priced

Discount

APINEED applies a 50% discount to the current $0.435 input and $0.87 output official rates, producing $0.2175 and $0.435 per million tokens for batch jobs. The table compares official DeepSeek V4 Pro API pricing with the APINEED prepaid rate.

Official
Provider baseline
Input $0.435/ 1MOutput $0.87/ 1M
Baseline

Availability

APINEED continuously monitors DeepSeek V4 Pro API access and keeps requests on healthy capacity.

System statusLast 90 days
APINEED GATEWAY99.38% uptime

DeepSeek V4 Pro API Benchmarks

DeepSeek ranks just behind GPT-5.6 Luna at #13, with a slightly lower median and a much longer measured completion time. Its advantage is cost efficiency rather than speed. The complete LLM2014 logic 2026-07 table remains below, with DeepSeek V4 Pro API highlighted when a current row exists. [2]

1stGPT-5.5 (xhigh)83.8077.467.57%494s30,811$25.51$29.57
2ndKimi-K3 (max)82.9174.809.78%1095s39,912$16.76$15.00
3rdClaude Opus 4.8 (xhigh)82.6266.7019.27%791s41,833$28.86$24.64
4thGPT-5.6 Sol (xhigh)81.9472.9910.92%369s17,433$14.43$29.57
5thClaude Opus 5 (xhigh)78.3871.888.29%426s26,392$18.21$24.64
6thQwen3.7-Max (xhigh)74.5666.9510.21%374s54,207$7.81$5.14
7thGLM-5.2 (max)73.6858.2720.91%890s45,683$5.12$4.00
8thGemini 3.1 Pro (high)73.3658.4620.31%214s25,905$8.58$11.83
9thGPT-5.6 Luna (xhigh)69.4951.9725.21%242s38,083$6.31$5.91
10thDeepSeek V4 Pro (max)68.0049.9726.51%1468s60,558$1.45$0.86
11thGrok 4.5 (high)67.5956.7216.08%451s43,372$7.18$5.91
12thMuse Spark 1.166.1857.2313.52%542s42,416$4.98$4.19
13thGemini 3.5 Flash (high)65.9260.398.39%188s36,372$9.03$8.87
14thDoubao-Seed-2.1-pro (high)58.6949.3515.91%2003s85,059$10.21$4.29
15thQwen3.7-Plus (high)58.5044.0924.63%1237s57,152$1.83$1.14
16thGemini 3.6 Flash (high)56.8741.7426.6%206s26,329$5.45$7.39
17thTencent Hy3 (high)54.4244.6018.04%1035s52,037$0.83$0.57
18thClaude Sonnet 5 (xhigh)51.3743.1416.02%529s44,118$12.18$9.86
19thDeepSeek V4 Flash (max)50.6236.2428.41%611s49,593$0.40$0.29
20thMiniMax-M349.1840.9416.75%985s56,467$1.90$1.20
21stClaude Opus 542.0831.7324.6%154s10,180$7.02$24.64
22ndClaude Opus 4.636.8825.7930.07%65s4,387$3.03$24.64
23rdDoubao-Seed-2.0-lite 0428 (high)35.3226.7724.21%656s26,726$0.38$0.51
24thGemini 3.5 Flash (minimal)33.2422.2233.15%44s6,189$1.54$8.87
25thLing-3.0-flash32.5320.6236.61%688s86,204$0.00$0.00
26thGemini 3.5 Flash Lite (high)30.2322.8224.51%188s18,297$1.26$2.46
27thGPT-5.5 Instant28.8717.6638.83%25s1,673$1.39$29.57
28thGemma 4 31B27.9122.0421.03%770s15,050$0.17$0.39
29thMiMo-V2.5-Pro26.9113.0051.69%478s29,443$0.71$0.86
30thQwen3.7-Plus26.1916.2338.03%314s8,692$0.28$1.14
31stStep-3.7-Flash26.1813.7447.52%258s44,912$1.46$1.16
32ndQwen3.5-27B24.9617.9827.96%451s26,391$0.51$0.69
33rdGemini 3.1 Flash Lite (high)23.7814.3039.87%82s28,351$1.17$1.48
34thClaude Sonnet 523.6410.8654.06%109s5,962$1.65$9.86
35thQwen3.7-Max22.4518.5317.46%196s6,710$0.97$5.14
36thERNIE 5.120.4915.4924.4%457s24,093$1.73$2.57
37thopenPangu-2.0-Flash19.8310.7645.74%571s28,199$0.18$0.23
38thLongCat-2.019.409.7449.79%395s14,886$0.48$1.14
39thDeepSeek V4 Flash19.3913.3731.05%63s5,286$0.04$0.29
40thMistral Medium 3.518.4413.8724.78%194s27,854$5.77$7.39
41stDoubao-Seed-2.1-pro17.499.7444.31%305s6,009$0.72$4.29
42ndGLM-5.214.8010.4329.53%23s953$0.11$4.00
43rdLing-2.6-1T13.058.3935.71%229s4,770$0.31$2.29
44thiFLYTEK Spark X212.396.2149.88%458s11,285$0.09$0.29
45thGemini 3.1 Flash Lite11.7910.2812.81%9s773$0.03$1.48
46thMistral Medium 3.510.837.1334.16%17s2,546$0.53$7.39
47thLing-2.6-flash10.074.8551.84%25s4,997$0.04$0.30

Quick Start

Connect DeepSeek V4 Pro API without changing the OpenAI-style request shape. Use DeepSeek V4 Pro for asynchronous reasoning, long text analysis, and cost-controlled batches. This entry is text only, and interactive products should test latency before routing live conversations.

1

Get your API key

Create an APINEED key for DeepSeek V4 Pro API and keep it in an environment variable.

export API_NEED_API_KEY=sk-apineed-v1-...
2

Make your first request

Use deepseek-v4-pro for DeepSeek V4 Pro API with the APINEED API. The request shape is compatible with OpenAI chat completions, so most SDKs only need a base URL change.

TypeScript SDKPythoncURLOpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.API_NEED_API_KEY,
  baseURL: "https://apineed.com/v1"
});

const result = await client.chat.completions.create({
  model: "deepseek/deepseek-v4-pro",
  messages: [
    { role: "user", content: "Why is the sky blue?" }
  ]
});

console.log(result.choices[0].message.content);
3

Enable streaming and fallbacks

Add stream: true when DeepSeek V4 Pro API should return server-sent events. APINEED keeps routing, provider health, and fallback handling behind the same endpoint.

curl https://apineed.com/v1/chat/completions \
  -H "Authorization: Bearer $API_NEED_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-v4-pro",
    "stream": true,
    "messages": [{ "role": "user", "content": "Hello" }]
  }'

DeepSeek V4 Pro API Endpoint

DeepSeek V4 Pro API accepts chat conversations here with streaming or non-streaming text output; the supported controls are listed on this page.

POST/v1/chat/completions
Authorization
Bearer $API_NEED_API_KEY
Content-Type
application/json
HTTP-Referer
optional - your site URL, for rankings
X-Title
optional - your site name, for rankings
Model
deepseek/deepseek-v4-pro

Parameters

DeepSeek V4 Pro API parameters currently listed for deepseek/deepseek-v4-pro by the OpenRouter Models API. [1]

NameTypeStatusDescription
frequency_penaltynumberSupportedPenalizes repeated token frequency.
include_reasoningbooleanSupportedIncludes reasoning content in the response when available.
logit_biasobjectSupportedAdjusts the likelihood of selected tokens.
logprobsbooleanSupportedReturns token log probabilities.
max_tokensintegerSupportedLimits generated output tokens.
min_pnumberSupportedApplies minimum-probability sampling.
presence_penaltynumberSupportedPenalizes tokens already present in the output.
reasoningobjectSupportedControls reasoning behavior and token allocation.
reasoning_effortenumSupportedSelects the model reasoning effort.
repetition_penaltynumberSupportedControls repetition across generated tokens.
response_formatobjectSupportedRequests a specific response format.
seedintegerSupportedRequests deterministic sampling when supported by the provider.
stopstring or arraySupportedStops generation at the supplied sequence.
structured_outputsbooleanSupportedEnables schema-constrained structured output.
temperaturenumberSupportedControls sampling randomness.
tool_choicestring or objectSupportedControls which tool the model may call.
toolsarraySupportedDefines tools available to the model.
top_kintegerSupportedRestricts sampling to the highest-probability tokens.
top_logprobsintegerSupportedSets how many top-token log probabilities are returned.
top_pnumberSupportedControls nucleus sampling.

DeepSeek V4 Pro API Q&A

Model-specific answers for teams comparing DeepSeek V4 Pro API on capability, benchmark evidence, integration, and cost.

What is DeepSeek V4 Pro API’s main trade-off?

It combines very low token rates and a #13 logic rank with a long 1,468-second measured completion time in the benchmark.

Does DeepSeek V4 Pro API accept images?

No. This catalog entry supports text input and text output only.

Why is it suited to batch work for DeepSeek V4 Pro API?

Low output cost and long context are useful for large asynchronous jobs where completion time is not user-facing.

How does its price compare with GPT-5.6 Luna for DeepSeek V4 Pro?

For DeepSeek V4 Pro API, deepSeek’s listed official input and output rates are lower than GPT-5.6 Luna’s, while GPT-5.6 Luna records a much shorter benchmark completion time.

Which endpoint serves DeepSeek V4 Pro API?

Call DeepSeek V4 Pro API through https://apineed.com/v1/chat/completions with deepseek-v4-pro as the model value. Existing OpenAI SDK clients usually need only the APINEED base URL and key.

How do I validate DeepSeek V4 Pro API before release?

Evaluate DeepSeek V4 Pro API on representative prompts, record quality, latency, and token use, then choose reasoning settings and fallbacks from those results.

How to Deploy the DeepSeek V4 Pro API on apineed.com

Deploy DeepSeek V4 Pro API through APINEED after validating its model-specific trade-offs above. The API key, credit, and endpoint flow stays consistent across the catalog.

1

Add credits for DeepSeek V4 Pro API

Add credits on APINEED before deploying the DeepSeek V4 Pro API. Pay-as-you-go billing lets usage start small and scale with production traffic.

2

Get your API key

Create an APINEED API key for the DeepSeek V4 Pro API. The same key can call DeepSeek V4 Pro and other AI APIs through apineed.com.

3

Set the model slug

Use deepseek-v4-pro as the model value when you deploy the DeepSeek V4 Pro API. Keep the APINEED base URL at https://apineed.com/v1.

4

Send a request to DeepSeek V4 Pro API

Send chat completions or responses to the DeepSeek V4 Pro API from Claude Code, Codex, or any custom agent. The request keeps its OpenAI-compatible shape.

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