Reasoning-specialized model for difficult technical tasks.
Model details →DeepSeek R1 vs o1
o1 wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
Reasoning-focused model for complex planning and math tasks.
Model details →Side-by-side comparison
| Capability | DeepSeek R1 | o1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 128K | 200K | 🏆 o1 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | Custom | Custom | — |
| Output price (per 1M) Cost per million output tokens billed by the provider. | Custom | Custom | — |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is DeepSeek R1 better than o1?
o1 wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between DeepSeek R1 and o1?
Input: Custom vs Custom per 1M tokens. Output: Custom vs Custom per 1M tokens.
What context windows do DeepSeek R1 and o1 support?
DeepSeek R1 supports up to 128K tokens. o1 supports up to 200K tokens.
Do both DeepSeek R1 and o1 support tool calling?
DeepSeek R1: not advertised. o1: not advertised.