DeepSeek R1 is cheaper than GPT-4o (Omni) at $0.55/M vs $2.5/M input tokens.
| Spec | DeepSeek R1 | GPT-4o (Omni) |
|---|---|---|
| Input price | $0.55/M tokens | $2.5/M tokens |
| Output price | $2.19/M tokens | $10/M tokens |
| Context window | 128K tokens | 128K tokens |
| Parameters | 671B (37B active) | Not disclosed |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Feb 2025 | May 2024 |
| MMLU | 83.4% | 88.7% |
Not enough votes to call it. On the specs, nothing separates them.
DeepSeek R1 costs 4.6x less per token.
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DeepSeek R1 is cheaper on both: 4.5× input, 4.6× output.
Per million tokens. Prices and uptime via OpenRouter, checked 11 Sep 2026.
DeepSeek R1 uses 10.6x more emoji