DeepSeek V4 vs V3: Pricing, Performance & Use Cases Comparison (2026)
Compare DeepSeek V4 and V3 on pricing, performance, context length, and best use cases. Find the best AI API for your needs.
Overview
DeepSeek V4 and V3 are two powerful AI models available through Global API. This comparison helps you choose the right one for your project.
Pricing Comparison
| Model | Output $/1M | Credits/1M | Category | |---|---|---|---| | DeepSeek V4 (deepseek-chat) | $0.250 | 0.125 | DeepSeek | | V3 (DeepSeek-V3.2) | $0.378 | 0.243 | DeepSeek |
Winner: DeepSeek V4 — 1.5x cheaper than V3 at $0.250/M vs $0.378/M output.
Performance & Capabilities
Both models offer strong performance for:
- Chat & conversation: Natural dialogue and multi-turn conversations
- Code generation: Writing and debugging code
- Content creation: Articles, emails, and creative writing
- Analysis: Data analysis and reasoning tasks
Context Length & Speed
| Feature | DeepSeek V4 | V3 | |---|---|---| | Context Window | Up to 128K-1M tokens | Up to 128K-1M tokens | | API Compatibility | OpenAI-compatible | OpenAI-compatible | | Streaming | ✅ Yes | ✅ Yes | | Function Calling | ✅ Supported | ✅ Supported |
Best Use Cases
Choose DeepSeek V4 when:
- You need the best price-performance ratio
- High-volume production workloads
- General-purpose chat and coding tasks
Choose V3 when:
- Specific benchmark requirements
- Ecosystem compatibility
- Specialized reasoning tasks
How to Access Both via Global API
Both models are available with a single API key. Just change the model parameter:
from openai import OpenAI
client = OpenAI(
api_key="ga_xxxxxxxxxxxx",
base_url="https://global-apis.com/v1"
)
# Use DeepSeek V4
response = client.chat.completions.create(
model="deepseek-chat",
messages=[{"role": "user", "content": "Hello!"}]
)
# Or switch to V3
response = client.chat.completions.create(
model="deepseek-ai/DeepSeek-V3.2",
messages=[{"role": "user", "content": "Hello!"}]
)
Start Testing Today
Get 100 free credits on signup. Test both DeepSeek V4 and V3 — and 180+ other models — with no risk. OpenAI-compatible API. PayPal accepted.