Model Comparison

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

OpenAI

GPT-4o

OpenAI

GPT-4o is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 77.4% across 8 benchmarks. It excels particularly in MGSM (90.5%), HumanEval (90.2%), MMLU (88.7%). It supports a 132K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents OpenAI's latest advancement in AI technology.

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

GPT-4o

OpenAI

2024-05-13

Moonshot AI

Kimi K2 Instruct

Moonshot AI

2025-01-01

7 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT-4o

Input:$2.50
Output:$10.00
Moonshot AI

Kimi K2 Instruct

$9.64 cheaper
Input:$0.57
Output:$2.29

Performance Metrics

Context window and performance specifications

OpenAI

GPT-4o

Max Context:132.1K
Moonshot AI

Kimi K2 Instruct

Larger context
Max Context:144.0K
Parameters:1.0T

Average performance across 4 common benchmarks

OpenAI

GPT-4o

Average Score:76.3%
Moonshot AI

Kimi K2 Instruct

+8.5%
Average Score:84.8%

Performance comparison across key benchmark categories

OpenAI

GPT-4o

code
+10.7%
90.2%
math
77.0%
general
+12.6%
74.6%
Moonshot AI

Kimi K2 Instruct

code
79.5%
math
+9.6%
86.6%
general
62.0%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT-4o

2 providers

Azure

Throughput: 92 tok/s
Latency: 0.54ms

OpenAI

Throughput: 100 tok/s
Latency: 0.5ms
Moonshot AI

Kimi K2 Instruct

1 providers

Novita

Throughput: 45 tok/s
Latency: 0.95ms
OpenAI

GPT-4o

Avg Score:76.3%
Providers:2
Moonshot AI

Kimi K2 Instruct

+8.5%
Avg Score:84.8%
Providers:1