DeepSeek V4 Pro
Officialdeepseek/deepseek-v4-pro
DeepSeek V4 Pro — flagship reasoning model, 1M context, ultra-low cost.
- Context window
- 1M
- Max output
- 384K
- Input modalities
- text
- Output modalities
- text
- Capabilities
- Reasoning · Tool calling · Coding · Prompt cache
- Upstream release
- 2026-08-13
- RouteMux name
- deepseek/deepseek-v4-pro
Try DeepSeek V4 Pro here
Tune the request, see the current price ceiling, and inspect the real response without leaving this model page.
Your result will appear here
Enter an input on the left. The same RouteMux Playground execution and billing path powers this embedded test.
DeepSeek V4 Pro API pricing
Source: deepseek_official_usd_2026-08-23_peak · Verified 2026-06-08
Cache read $0.044/M · Cache write —/M
Estimate cost
Limited time20% extra Credits on your first top-up — up to 200 bonus Credits
Applies to your first top-up within 72 hours of signing up. Minimum $20, once per account.
Key capabilities
Interface and protocols
Use any of these IDs to call this model via the API.
deepseek/deepseek-v4-proReplace the ROUTEMUX_KEY placeholder with your API key. Create one →
from openai import OpenAI
client = OpenAI(
base_url="https://api.routemux.com/v1",
api_key="<ROUTEMUX_KEY>",
)
completion = client.chat.completions.create(
model="deepseek/deepseek-v4-pro",
messages=[{"role": "user", "content": "What is the meaning of life?"}],
)
print(completion.choices[0].message.content)Performance (last 30 days)
DeepSeek V4 Pro FAQ
›What is DeepSeek V4 Pro?
DeepSeek V4 Pro — flagship reasoning model, 1M context, ultra-low cost.
›How large is the context window of DeepSeek V4 Pro?
DeepSeek V4 Pro supports a context window of up to 1M tokens, with up to 384K output tokens per request.
›How much does the DeepSeek V4 Pro API cost?
Through RouteMux, DeepSeek V4 Pro costs $1.32 for input and $3.96 for output (USD per 1M tokens), below the official list price.
›How do I call DeepSeek V4 Pro via API?
DeepSeek V4 Pro is OpenAI-compatible: point your base URL at RouteMux and set the model field to deepseek/deepseek-v4-pro — no code changes needed.
›Which input and output modalities does DeepSeek V4 Pro support?
DeepSeek V4 Pro accepts text as input and produces text as output.
›When was DeepSeek V4 Pro released?
DeepSeek V4 Pro was released on August 13, 2026.