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Model Comparison

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

xAI

Grok-3

xAI

Grok-3 is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 85.7% across 5 benchmarks. It excels particularly in AIME 2024 (93.3%), AIME 2025 (93.3%), GPQA (84.6%). 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 2025, it represents xAI's latest advancement in AI technology.

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.

xAI

Grok-3

xAI

2025-02-17

Moonshot AI

Kimi K2-Instruct-0905

Moonshot AI

2025-09-05

6 months newer

Performance Metrics

Context window and performance specifications

xAI

Grok-3

Larger context
Max Context:136.0K
Moonshot AI

Kimi K2-Instruct-0905

Max Context:-
Parameters:1.0T

Average performance across 4 common benchmarks

xAI

Grok-3

+25.7%
Average Score:87.7%
Moonshot AI

Kimi K2-Instruct-0905

Average Score:62.0%

Performance comparison across key benchmark categories

xAI

Grok-3

math
+28.3%
93.3%
general
+19.1%
88.9%
code
+22.5%
79.4%
Moonshot AI

Kimi K2-Instruct-0905

math
65.0%
general
69.9%
code
56.9%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-3

2024-11-17

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

xAI

Grok-3

1 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms
Moonshot AI

Kimi K2-Instruct-0905

0 providers
xAI

Grok-3

+25.7%
Avg Score:87.7%
Providers:1
Moonshot AI

Kimi K2-Instruct-0905

Avg Score:62.0%
Providers:0