Model Comparison

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

xAI

Grok-2

xAI

Grok-2 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 76.5% across 8 benchmarks. It excels particularly in DocVQA (93.6%), HumanEval (88.4%), MMLU (87.5%). It supports a 136K 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 2024, it represents xAI'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.

xAI

Grok-2

xAI

2024-08-13

Moonshot AI

Kimi K2 Instruct

Moonshot AI

2025-01-01

4 months newer

Pricing Comparison

Cost per million tokens (USD)

xAI

Grok-2

Input:$2.00
Output:$10.00
Moonshot AI

Kimi K2 Instruct

$9.14 cheaper
Input:$0.57
Output:$2.29

Performance Metrics

Context window and performance specifications

xAI

Grok-2

Max Context:136.0K
Moonshot AI

Kimi K2 Instruct

Larger context
Max Context:144.0K
Parameters:1.0T

Average performance across 4 common benchmarks

xAI

Grok-2

Average Score:76.8%
Moonshot AI

Kimi K2 Instruct

+7.9%
Average Score:84.8%

Performance comparison across key benchmark categories

xAI

Grok-2

code
+8.9%
88.4%
math
72.5%
general
+11.0%
73.0%
Moonshot AI

Kimi K2 Instruct

code
79.5%
math
+14.0%
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

xAI

Grok-2

1 providers

xAI

Throughput: 85 tok/s
Latency: 0.7ms
Moonshot AI

Kimi K2 Instruct

1 providers

Novita

Throughput: 45 tok/s
Latency: 0.95ms
xAI

Grok-2

Avg Score:76.8%
Providers:1
Moonshot AI

Kimi K2 Instruct

+7.9%
Avg Score:84.8%
Providers:1