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Model Comparison

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

Moonshot AI

Kimi K2-Instruct-0905

Moonshot AI

Kimi K2-Instruct-0905 is a language model developed by Moonshot AI. It achieves strong performance with an average score of 64.1% across 29 benchmarks. It excels particularly in MATH-500 (97.4%), MMLU-Redux (92.7%), IFEval (89.8%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

OpenAI

o4-mini

OpenAI

o4-mini is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 66.5% across 14 benchmarks. It excels particularly in AIME 2024 (93.4%), AIME 2025 (92.7%), MathVista (84.3%). The model shows particular specialization in math tasks with an average performance of 88.5%. It supports a 300K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.

OpenAI

o4-mini

OpenAI

2025-04-16

Moonshot AI

Kimi K2-Instruct-0905

Moonshot AI

2025-09-05

4 months newer

Performance Metrics

Context window and performance specifications

Moonshot AI

Kimi K2-Instruct-0905

Max Context:-
Parameters:1.0T
OpenAI

o4-mini

Larger context
Max Context:300.0K

Average performance across 5 common benchmarks

Moonshot AI

Kimi K2-Instruct-0905

Average Score:64.0%
OpenAI

o4-mini

+16.9%
Average Score:80.9%

Performance comparison across key benchmark categories

Moonshot AI

Kimi K2-Instruct-0905

math
65.0%
general
+8.3%
69.9%
code
56.9%
agents
+9.8%
67.3%
OpenAI

o4-mini

math
+23.5%
88.5%
general
61.5%
code
+12.0%
68.9%
agents
57.5%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

o4-mini

2024-05-31

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-0905

0 providers
OpenAI

o4-mini

1 providers

OpenAI

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

Kimi K2-Instruct-0905

Avg Score:64.0%
Providers:0
OpenAI

o4-mini

+16.9%
Avg Score:80.9%
Providers:1