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Grok-4 vs Kimi K2 Instruct
Comprehensive side-by-side LLM comparison
Kimi K2 Instruct leads with 49.8% higher average benchmark score. Grok-4 offers 1.9K more tokens in context window than Kimi K2 Instruct. Kimi K2 Instruct is $15.13 cheaper per million tokens. Grok-4 supports multimodal inputs. Overall, Kimi K2 Instruct is the stronger choice for coding tasks.
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xAI
Grok-4 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 63.1% across 7 benchmarks. It excels particularly in AIME 2025 (91.7%), HMMT25 (90.0%), GPQA (87.5%). It supports a 264K 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 2025, it represents xAI's latest advancement in AI technology.
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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 262K token context window for handling large documents. The model is available through 1 API provider. 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.
2 days newer
Grok-4
xAI
2025-07-09
Kimi K2 Instruct
Moonshot AI
2025-07-11
Pricing Comparison
Cost per million tokens (USD)
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Grok-4
Input:$3.00
Output:$15.00
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Kimi K2 Instruct
Input:$0.57
Output:$2.30($15.13 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 42 common benchmarks
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Grok-4
Average Score:10.5%
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Kimi K2 Instruct
Average Score:60.3%(+49.8%)
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Knowledge Cutoff
Training data recency comparison
Grok-4
2024-12-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Grok-4
2 providers
xAI
Throughput: 100 tok/s
Latency: 0.7ms
ZeroEval
Throughput: 100 tok/s
Latency: 0.7ms
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Grok-4
Avg Score:10.5%
Providers:2
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Kimi K2 Instruct
Avg Score:60.3%(+49.8%)
Providers:1