R1 vs Kimi K2 Thinking
Both have similar output pricing, while Kimi K2 Thinking offers a larger context window. Choose R1 or Kimi K2 Thinking based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | R1 | Kimi K2 Thinking |
|---|---|---|
| Provider | DeepSeek | MoonshotAI |
| Input / 1M tokens | $0.70 | $0.60 |
| Output / 1M tokens | $2.50 | $2.50 |
| Context window | 64K | 262K |
| Parameters | 671B | 1T |
| Open weights | Yes | Yes |
| Released | Jan 2025 | Nov 2025 |
| LiveBench score | — | 62.3 |
| Aider Polyglot score | — | 59.1 |
FAQ
Is R1 or Kimi K2 Thinking cheaper?
R1 and Kimi K2 Thinking have comparable output pricing.
Which has the larger context window, R1 or Kimi K2 Thinking?
Kimi K2 Thinking has the larger context window (262K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.