Build next-gen apps with deepseek-v4-pro
models.modelDetail.landing.heroSubtitle
LemonData Price
Web Agent Playground
Validate prompts and evaluate model performance in real-time right from the console, no code required.
Test deepseek-v4-pro in Web Agent with a short request at /v1/chat/completions, then show request body, latency, and response.
Developer Integration
Call via the LemonData unified gateway for enterprise-grade concurrency and comprehensive logging.
Recommended endpoint
POST /v1/chat/completionscurl https://api.lemondata.cc/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer sk-xxx" \
-d '{
"model": "deepseek-v4-pro",
"messages": [
{"role": "user", "content": "Hello!"}
]
}'Pricing
LemonData Price
$0.3045
Discount: 30%
| Official Price | LemonData Price | Discount | |
|---|---|---|---|
| Input | $0.435 | $0.3045 | 30% |
| Output | $0.87 | $0.609 | 30% |
| Cache Read | $0.003625 | $0.002537 | 30% |
Use cases
Agents and tools
Drive reasoning, support triage, tool calls, and multi-step task flows.
Developer workflows
Generate, review, or debug code without rewiring your stack.
Knowledge assistants
Ship chat, search, and retrieval with predictable cost and behavior.
Side-by-side test
See real response quality, latency, and price before this becomes your production default.
Prompt examples
Write a concise support reply and list the assumptions behind it.
Review this API design and call out the top three integration risks.
Turn a long changelog into release notes a non-engineer would read.
Cost Calculator
FAQ
How much does deepseek-v4-pro cost?
On LemonData, deepseek-v4-pro costs $0.3045 per 1M input tokens and $0.6090 per 1M output tokens. Cache and per-request prices show in the pricing table when they apply.
What is deepseek-v4-pro best for?
deepseek-v4-pro is a strong fit for Tool Use, JSON Mode. You can call it through LemonData with one API key.
How do I call the deepseek-v4-pro API?
Get a LemonData API key, then send your request to https://api.lemondata.cc/v1/chat/completions. The API workbench above has a recommended endpoint and copy-ready code.
Which endpoint should deepseek-v4-pro use?
Use https://api.lemondata.cc/v1/chat/completions as the default for deepseek-v4-pro. If a provider-native format is supported, the API workbench shows that endpoint too.
Can I test deepseek-v4-pro before integrating it?
Yes. Try in Web Agent opens a ready test for deepseek-v4-pro and keeps your prompt after sign-in, so you don’t lose context.
