Side by side pricing and context for o3 and DeepSeek R1. Rates are curated catalog values with last verified dates on each model page.
o3
OpenAI reasoning model for harder problems where extra thinking tokens are worth the bill. Watch output cost: reasoning tokens are billed at the output rate.
Input $2.00 / Output $8.00 per 1M
Context 200K · Exact (o200k_base)
DeepSeek R1
Full DeepSeek R1 reasoning model for hard STEM and planning tasks at DeepSeek rates. Watch output tokens; reasoning traces can dominate spend.
Input $0.550 / Output $2.19 per 1M
Context 128K · Approx
Quick take
- DeepSeek R1 is cheaper on input in this catalog snapshot.
- DeepSeek R1 is cheaper on output in this catalog snapshot.
- Both last verified on their model pages (2026-08-02 / 2026-08-02).
Rate table
| Metric | o3 | DeepSeek R1 |
|---|---|---|
| Input / 1M | $2.00 | $0.550 |
| Output / 1M | $8.00 | $2.19 |
| Cached input / 1M | $0.500 | $0.140 |
| Context | 200K | 128K |
| Tokenizer | Exact (o200k_base) | Approx |