← All comparisons
| Spec | 🧠 Kimi K2.5 | 🧠 o3-mini |
|---|---|---|
| Provider | Moonshot AI | OpenAI |
| Category | 🧠 Reasoning | 🧠 Reasoning |
| Parameters | 1.0T | Undisclosed |
| Context Window | 128K tokens | 200K tokens |
| License | 🔓 open | 🔒 proprietary |
| Input Price | $0.60 | $1.10 |
| Output Price | $2.40 | $4.40 |
| API Available | ✅ | ✅ |
| Released | Jul 1, 2025 | Jan 31, 2025 |
| Trending Score | 🔥 81 | 🔥 80 |
Kimi K2.5 Strengths
- ✓1T+ parameters (MoE)
- ✓Open weights
- ✓Strong reasoning
- ✓Good coding
o3-mini Strengths
- ✓Good reasoning at low cost
- ✓Configurable thinking effort
- ✓Fast for a reasoning model
About Kimi K2.5
1T+ MoE architecture with strong long-context and multi-step reasoning. Open weights, competitive with top models.
View full details →About o3-mini
Cost-effective reasoning model. Provides strong reasoning capabilities at a fraction of o3's cost.
View full details →❓ Frequently Asked Questions
Which is better, Kimi K2.5 or o3-mini?
It depends on your use case. Kimi K2.5 (Moonshot AI) has a trending score of 81, while o3-mini (OpenAI) scores 80. Kimi K2.5 costs $0.60 per 1M input tokens. Check the comparison table above for detailed specs.
Is Kimi K2.5 cheaper than o3-mini?
Kimi K2.5 costs $0.60 input / $2.40 output per 1M tokens, while o3-mini costs $1.10 input / $4.40 output.
Can I use both Kimi K2.5 and o3-mini?
Yes! Many developers use multiple models for different tasks. You might use one for complex reasoning and another for high-volume, cost-sensitive workloads.