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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

o3

OpenAI

o3 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 67.5% across 22 benchmarks. It excels particularly in COLLIE (98.4%), AIME 2024 (91.6%), ARC-AGI (88.0%). 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

o3

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

o3

Larger context
Max Context:300.0K

Average performance across 8 common benchmarks

Moonshot AI

Kimi K2-Instruct-0905

Average Score:64.1%
OpenAI

o3

+12.7%
Average Score:76.9%

Performance comparison across key benchmark categories

Moonshot AI

Kimi K2-Instruct-0905

code
56.9%
general
69.9%
agents
+4.2%
67.3%
math
+2.0%
65.0%
reasoning
+12.9%
60.1%
OpenAI

o3

code
+24.4%
81.3%
general
+1.2%
71.1%
agents
63.2%
math
63.0%
reasoning
47.3%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

o3

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

o3

1 providers

OpenAI

Throughput: 50 tok/s
Latency: 20ms
Moonshot AI

Kimi K2-Instruct-0905

Avg Score:64.1%
Providers:0
OpenAI

o3

+12.7%
Avg Score:76.9%
Providers:1