DeepSeek V4 API Pricing (2026): $0.08/1M In, 2M Context — Full Guide

Numbers at a glance: DeepSeek V4 Pro — $0.57 input / $1.15 output per 1M tokens, 2M context. DeepSeek V4 Flash — $0.08 / $0.17 per 1M tokens. No subscription, no monthly minimums.

DeepSeek V4 price sheet

Model	Input / 1M	Output / 1M	Context	Best for
deepseek-v4-pro	$0.57	$1.15	2M tokens	Frontier-class reasoning, coding, long docs
deepseek-v4-flash	$0.08	$0.17	1M tokens	Summarization, extraction, high-volume pipelines

What does that cost in real workloads?

Workload	Tokens	V4 Pro cost	V4 Flash cost
1,000 customer-support answers (~300 in / 250 out)	550M blended	≈ $0.54	≈ $0.09
One 1.5M-token repository Q&A session	1.5M in + 4K out	≈ $0.86	≈ $0.12
10,000 document summaries (8K in / 1K out each)	90M	≈ $0.56	≈ $0.09

At this pricing, the dominant cost in most LLM pipelines stops being the model and starts being the engineering time spent optimizing prompts.

The 2M context window, in practice

~15,000 lines of code or a 400-page PDF in a single request.
Replaces retrieval pipelines for medium corpora: full-document attention beats chunked RAG on cross-reference questions.
Cache-friendly: prefix caching on repeated system prompts cuts effective input cost further on steady-state traffic.

Getting API access without a Chinese phone number

DeepSeek's first-party console is friendly, but international teams often route through a gateway for billing simplicity and redundancy. NovAI exposes DeepSeek V4 behind an OpenAI-compatible endpoint, payable by card, PayPal or USDT:

curl https://aiapi-pro.com/v1/chat/completions \
  -H "Authorization: Bearer YOUR_NOVAI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"deepseek-v4-pro",
       "messages":[{"role":"user","content":"Explain this error log..."}]}'

Which tier should you pick?

Default to Flash. If your evals pass, you're done — $0.08/$0.17 is close to free.
Escalate to Pro for multi-step reasoning, code generation, and anything using the 2M window.
Mix tiers per task — a router that sends 80% of traffic to Flash typically saves 5–10x vs running everything on Pro.

Try every model in this article with one API key

NovAI gives you OpenAI-compatible access to DeepSeek, Qwen, GLM, Kimi, Doubao and more — prepaid balance, no subscription, zero platform fee. Free trial credit on signup.

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DeepSeek V4 API Pricing & 2M Context (2026 Guide)