Kimi K2 Thinking Turbo vs o3
Both have similar output pricing, while Kimi K2 Thinking Turbo offers a larger context window. Choose Kimi K2 Thinking Turbo or o3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Kimi K2 Thinking Turbo | o3 |
|---|---|---|
| Provider | Moonshot AI | OpenAI |
| Input / 1M tokens | $1.15 | $2.00 |
| Output / 1M tokens | $8.00 | $8.00 |
| Context window | 262K | 200K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Nov 2025 | Apr 2025 |
| LMArena (Chatbot Arena) Elo score | 1414 | 1410 |
| LMArena WebDev Elo score | 1322 | — |
| GPQA Diamond score | 84.2 | 81.8 |
| SWE-bench Verified score | — | 58.4 |
| Aider Polyglot score | — | 81.3 |
| SWE-bench Multimodal score | — | 36.0 |
| LMArena Vision Elo score | — | 1214 |
| FrontierMath score | — | 18.7 |
| Epoch Capabilities Index score | — | 147 |
FAQ
Is Kimi K2 Thinking Turbo or o3 cheaper?
Kimi K2 Thinking Turbo and o3 have comparable output pricing.
Which has the larger context window, Kimi K2 Thinking Turbo or o3?
Kimi K2 Thinking Turbo 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.