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DeepSeek · V4 Flagship · Just Released

DeepSeek-V4-Pro API

DeepSeek's flagship V4 architecture. Top-tier open-weight model for deep reasoning, coding, math and agent workflows. Hong Kong low-latency access at 10-20% the cost of closed-source peers.

$0.55
Input / 1M tokens
$2.20
Output / 1M tokens
128K
Context window
SOTA
Open-weight class
Sign Up - Get $0.50 Free Credit See All Pricing

Why use DeepSeek-V4-Pro on NovAI?

  • Latest V4 architecture - DeepSeek's newest frontier model, replacing V3.2 across all API endpoints
  • SOTA reasoning - leading scores on MMLU-Pro, GPQA, AIME, SWE-bench among open-weight models
  • Unmatched price-performance - delivers closed-source quality at $0.44/1M input / $0.87/1M output
  • 128K context window - full-repo code understanding and long-document analysis
  • OpenAI-compatible streaming - drop-in replacement for gpt-4o / claude endpoints
  • Zero platform fee - NovAI passes the official DeepSeek price directly to you

Best use cases

  • Deep reasoning agents (research, planning, multi-step tool use)
  • Code generation, review, and repo-level refactoring
  • Mathematical and scientific problem solving
  • High-quality enterprise chat / RAG backends
  • Cost-sensitive replacements for GPT-4o / Claude Sonnet

Quick start

cURL

curl https://aiapi-pro.com/v1/chat/completions \
  -H "Authorization: Bearer $NOVAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-pro",
    "messages": [{"role":"user","content":"Prove that there are infinitely many primes, rigorously."}]
  }'

Python (OpenAI SDK)

from openai import OpenAI
client = OpenAI(
    base_url="https://aiapi-pro.com/v1",
    api_key="YOUR_NOVAI_API_KEY",
)
resp = client.chat.completions.create(
    model="deepseek-v4-pro",
    messages=[{"role":"user","content":"Prove that there are infinitely many primes, rigorously."}],
)
print(resp.choices[0].message.content)

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Zero platform fee. Credits never expire. OpenAI-compatible API.

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