Model Comparison

Comprehensive side-by-side analysis of model capabilities and performance

Moonshot AI

Kimi K2 Instruct

Moonshot AI

Kimi K2 Instruct is a language model developed by Moonshot AI. It achieves strong performance with an average score of 66.7% across 38 benchmarks. It excels particularly in MATH-500 (97.4%), GSM8k (97.3%), CBNSL (95.6%). It supports a 144K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

OpenAI

o1-preview

OpenAI

o1-preview is a language model developed by OpenAI. It achieves strong performance with an average score of 64.8% across 8 benchmarks. It excels particularly in MGSM (90.8%), MMLU (90.8%), MATH (85.5%). The model shows particular specialization in math tasks with an average performance of 88.1%. It supports a 161K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.

OpenAI

o1-preview

OpenAI

2024-09-12

Moonshot AI

Kimi K2 Instruct

Moonshot AI

2025-01-01

3 months newer

Pricing Comparison

Cost per million tokens (USD)

Moonshot AI

Kimi K2 Instruct

$72.14 cheaper
Input:$0.57
Output:$2.29
OpenAI

o1-preview

Input:$15.00
Output:$60.00

Performance Metrics

Context window and performance specifications

Moonshot AI

Kimi K2 Instruct

Max Context:144.0K
Parameters:1.0T
OpenAI

o1-preview

Larger context
Max Context:160.8K

Average performance across 5 common benchmarks

Moonshot AI

Kimi K2 Instruct

+8.2%
Average Score:68.3%
OpenAI

o1-preview

Average Score:60.2%

Performance comparison across key benchmark categories

Moonshot AI

Kimi K2 Instruct

math
86.6%
roleplay
+24.1%
76.4%
general
+4.0%
62.0%
OpenAI

o1-preview

math
+1.5%
88.1%
roleplay
52.3%
general
58.0%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores

Provider Availability & Performance

Available providers and their performance metrics

Moonshot AI

Kimi K2 Instruct

1 providers

Novita

Throughput: 45 tok/s
Latency: 0.95ms
OpenAI

o1-preview

2 providers

Azure

Throughput: 16 tok/s
Latency: 0.54ms

OpenAI

Throughput: 66 tok/s
Latency: 16.2ms
Moonshot AI

Kimi K2 Instruct

+8.2%
Avg Score:68.3%
Providers:1
OpenAI

o1-preview

Avg Score:60.2%
Providers:2