Overview
DeepSeek is a series of open-weight large language models that deliver frontier-level reasoning, math, and coding performance at a fraction of typical API cost. Its open licensing makes it popular with developers who want to self-host or fine-tune.
Key Features
- Strong math and coding benchmarks
- Open weights for self-hosting
- Very low API pricing
- Dedicated reasoning (R1) models
- Free web chat
Pricing
| Plan | Price | For |
|---|---|---|
| Web Chat | $0 | General use |
| API | Usage-based (low) | Developers |
Comparison
Compared to ChatGPT, DeepSeek is far cheaper via API and offers open weights, but has a smaller consumer feature set and ecosystem.