Kimi K2 0905 vs o1-pro
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Kimi K2 0905 and o1-pro.
Kimi K2 0905
Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...
o1-pro
The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide...
Technical Specifications
| Specification | Kimi K2 0905 | o1-pro |
|---|---|---|
| Provider | Moonshot AI | OpenAI |
| Context Window | 262,144 tokens | 200,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-09-04 | 2025-03-19 |
API Pricing Comparison
Input Price per Million Tokens
Kimi K2 0905
$0.60
o1-pro
$150.00
Output Price per Million Tokens
Kimi K2 0905
$2.50
o1-pro
$600.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Kimi K2 0905 Quirks & Gotchas
No developer gotchas reported.
o1-pro Quirks & Gotchas
No developer gotchas reported.