DeepSeek Chat vs o3
| DeepSeek Chat | o3 | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Context Window | 128,000 | 200,000 |
| Release Date | 2025-05-21 | 2025-04-16 |
| Input Price | $0.27/ 1M tokens | $2.00/ 1M tokens |
| Output Price | $1.10/ 1M tokens | $8.00/ 1M tokens |
| Best for | general chat · coding · cost-sensitive apps · Chinese content | mathematics · coding · scientific reasoning · complex planning |
Capabilities
| DeepSeek Chat | o3 | |
|---|---|---|
| Vision | ✗ | ✗ |
| Reasoning | ✓ | ✓ |
| Coding | ✓ | ✓ |
| Audio | ✗ | ✗ |
| Tools | ✓ | ✓ |
| Long Context | ✗ | ✓ |
Ranking Comparison
| DeepSeek Chat | o3 | |
|---|---|---|
| Overall | 77.5 | 87.9 |
| Benchmark | 85 | 93 |
| Capability | 42.9 | 57.1 |
| Price Efficiency | 100 | 100 |
| Context | 64 | 100 |
Overall = Benchmark 50% + Capability 20% + Price Efficiency 20% + Context 10%.
Benchmark Comparison
| DeepSeek Chat | o3 | |
|---|---|---|
| Coding | 87 | 89 |
| Reasoning | 85 | 96 |
| Math | 83 | 94 |
| Vision | — | — |
Price History
DeepSeek Chat
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $0.27 | $1.10 |
/ 1M tokens
o3
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $2.00 | $8.00 |
/ 1M tokens
DeepSeek Chat
DeepSeek's general chat model (V3 series), open-source friendly and cheap.
o3
OpenAI reasoning model that thinks before answering, strongest on STEM and logic.