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Grok-4 vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
Grok-4 leads with 11.7% higher average benchmark score. Kimi K2 0905 offers 260.3K more tokens in context window than Grok-4. Kimi K2 0905 is $14.90 cheaper per million tokens. Grok-4 supports multimodal inputs. Overall, Grok-4 is the stronger choice for coding tasks.
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xAI
Grok 4 represents the fourth generation of xAI's language models, developed to continue advancing the frontier of AI reasoning and knowledge. Built to handle increasingly complex tasks with enhanced reliability, it demonstrates xAI's commitment to pushing AI capabilities forward.
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Moonshot AI
Kimi K2 was introduced as the second generation of Moonshot's language model family, designed to provide enhanced capabilities across language understanding and generation. Built with architectural improvements and expanded training, it represents a significant advancement in Moonshot's model offerings.
1 month newer
Grok-4
xAI
2025-07-09
Kimi K2 0905
Moonshot AI
2025-09-05
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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 0905
Input:$0.60
Output:$2.50($14.90 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Grok-4
Average Score:87.5%(+11.7%)
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Kimi K2 0905
Average Score:75.8%
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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:87.5%(+11.7%)
Providers:2
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Kimi K2 0905
Avg Score:75.8%
Providers:2