Model comparison
DeepSeek-R1-0528 vs o3
Capability radar, value bars, and side-by-side posture.
DeepSeek-R1-0528
Not scored
value score
o3
93
value score
DeepSeek-R1-0528 ctx
128K
o3 ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- o393
Attribute tape
| Field | DeepSeek-R1-0528 | o3 |
|---|---|---|
| Developer | deepseek-ai | OpenAI |
| Context | 128K | 200K |
| Modalities | Text, Code | |
| Openness | Open Weights | Proprietary Model |
| Speed | — | — |
| Price | — | $10/1M in · $40/1M out |
| Value score | — | 93 |
| Summary | DeepSeek-R1-0528 is an updated open-weight reasoning LLM from DeepSeek, built on a Mixture-of-Experts backbone and optimized for math, code, tool use, and multi-step problem solving. It is a checkpoint upgrade over the original R1, with reported improvements in reasoning depth, hallucination reduction, and function-calling accuracy. | OpenAI reasoning model focused on hard problems. |