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

o3-mini

OpenAI

o3-mini is a language model developed by OpenAI. The model shows competitive results across 26 benchmarks. It excels particularly in COLLIE (98.7%), MATH (97.9%), IFEval (93.9%). It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2025, it represents OpenAI's latest advancement in AI technology.

Moonshot AI

Kimi K2 Instruct

Moonshot AI

2025-01-01

OpenAI

o3-mini

OpenAI

2025-01-30

29 days newer

Pricing Comparison

Cost per million tokens (USD)

Moonshot AI

Kimi K2 Instruct

$2.64 cheaper
Input:$0.57
Output:$2.29
OpenAI

o3-mini

Input:$1.10
Output:$4.40

Performance Metrics

Context window and performance specifications

Moonshot AI

Kimi K2 Instruct

Max Context:144.0K
Parameters:1.0T
OpenAI

o3-mini

Larger context
Max Context:300.0K

Average performance across 8 common benchmarks

Moonshot AI

Kimi K2 Instruct

Average Score:68.2%
OpenAI

o3-mini

+0.8%
Average Score:68.9%

Performance comparison across key benchmark categories

Moonshot AI

Kimi K2 Instruct

code
79.5%
math
+20.2%
86.6%
roleplay
76.4%
general
+6.8%
62.0%
agents
+13.8%
58.8%
OpenAI

o3-mini

code
+14.4%
93.9%
math
66.4%
roleplay
+8.2%
84.6%
general
55.2%
agents
45.0%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

o3-mini

2023-09-30

More recent knowledge cutoff means awareness of newer technologies and frameworks

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

o3-mini

2 providers

Azure

Throughput: 115 tok/s
Latency: 5.2ms

OpenAI

Throughput: 115 tok/s
Latency: 5.2ms
Moonshot AI

Kimi K2 Instruct

Avg Score:68.2%
Providers:1
OpenAI

o3-mini

+0.8%
Avg Score:68.9%
Providers:2