o1 vs DeepSeek R1
Side-by-side API pricing and capability comparison
OpenAI
o1
OpenAI's reasoning model — designed for complex STEM, coding, and multi-step logic.
Input /1M
$15.00
Output /1M
$60.00
Context
200K
Tier
frontier
Prompt caching: $7.50/1M input
Full o1 pricing →DeepSeek
DeepSeek R1
Open-source reasoning model rivaling o1 at a fraction of the cost. MIT licensed.
Input /1M
$0.550
Output /1M
$2.19
Context
64K
Tier
efficient
Monthly Cost Comparison
| Usage scenario | o1 | DeepSeek R1 | Cheaper by |
|---|---|---|---|
Light usage 50K in + 20K out /day | $58.50 | $2.14 | DeepSeek R1 96% cheaper |
Medium usage 500K in + 150K out /day | $495.00 | $18.11 | DeepSeek R1 96% cheaper |
Heavy usage 3000K in + 1000K out /day | $3150.00 | $115.20 | DeepSeek R1 96% cheaper |
Feature Comparison
When to Use Each
Choose o1 when:
- You need a larger context window (200K vs 64K)
- Vision / image processing is needed
- You prefer OpenAI's ecosystem and tooling
Choose DeepSeek R1 when:
- Cost efficiency is critical — 96% cheaper input
- You prefer DeepSeek's ecosystem and tooling
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