Model comparison
Synced Apr 6, 2026
DeepSeek: R1 vs OpenAI: o3
Side-by-side comparison of DeepSeek: R1 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 remains competitive with advantages in price.
Best for with DeepSeek: R1
Budget-conscious workflows
Best for with OpenAI: o3
Long document processingMulti-modal tasksLong-form content generation
Side-by-side
Technical specifications
| DeepSeek: R1 | OpenAI: o3 | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Input price | $0.70/M | $2/M |
| Output price | $3/M | $8/M |
| Context window | 64K | 200K |
| Max output | 16K | 100K |
| Capabilities | Tool useReasoning | Tool useVisionReasoning |
| Released | Jan 20, 2025 | Apr 16, 2025 |
Scoring breakdown
How each dimension compares
Price
DeepSeek: R1 leadsDeepSeek: R1
$3/M tokens
OpenAI: o3
$8/M tokens
Context Window
OpenAI: o3 leadsDeepSeek: R1
64K tokens
OpenAI: o3
200K tokens
Capabilities
OpenAI: o3 leadsDeepSeek: R1
2/4
OpenAI: o3
3/4
Max Output
OpenAI: o3 leadsDeepSeek: R1
16K tokens
OpenAI: o3
100K tokens
Recency
DeepSeek: R1
Jan 2025
OpenAI: o3
Apr 2025
Related comparisons