Model comparison
Synced Apr 6, 2026
DeepSeek: R1 0528 vs OpenAI: o3
Side-by-side comparison of DeepSeek: R1 0528 and OpenAI: o3. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceOpenAI: o3 leads overall
OpenAI: o3 leads in context window and capabilities and max output, making it the stronger choice for most workflows. DeepSeek: R1 0528 remains competitive with advantages in price.
Best for with DeepSeek: R1 0528
Budget-conscious workflows
Best for with OpenAI: o3
Long document processingMulti-modal tasksLong-form content generation
Side-by-side
Technical specifications
| DeepSeek: R1 0528 | OpenAI: o3 | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Input price | $0.45/M | $2/M |
| Output price | $2/M | $8/M |
| Context window | 164K | 200K |
| Max output | 66K | 100K |
| Capabilities | Tool useReasoning | Tool useVisionReasoning |
| Released | May 28, 2025 | Apr 16, 2025 |
Scoring breakdown
How each dimension compares
Price
DeepSeek: R1 0528 leadsDeepSeek: R1 0528
$2/M tokens
OpenAI: o3
$8/M tokens
Context Window
OpenAI: o3 leadsDeepSeek: R1 0528
164K tokens
OpenAI: o3
200K tokens
Capabilities
OpenAI: o3 leadsDeepSeek: R1 0528
2/4
OpenAI: o3
3/4
Max Output
OpenAI: o3 leadsDeepSeek: R1 0528
66K tokens
OpenAI: o3
100K tokens
Recency
DeepSeek: R1 0528
May 2025
OpenAI: o3
Apr 2025
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