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Grok 3 vs Kimi K2
Comprehensive side-by-side LLM comparison
Grok 3 offers 752.2K more tokens in context window than Kimi K2. Kimi K2 is $14.90 cheaper per million tokens. Grok 3 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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xAI
Grok 3, released by xAI in February 2025, is a large language model trained on xAI's Colossus supercluster with substantially increased compute over previous generations. It features a 1M token context window, RL-enhanced Think mode for extended reasoning, and demonstrated strong results on mathematics, coding, and scientific benchmarks. Grok 3 targets complex reasoning, real-time information tasks via X platform integration, and agentic workflows via the xAI API.
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Moonshot AI
Kimi K2, released by Moonshot AI on July 11, 2025, is an open-weight Mixture-of-Experts large language model with 1 trillion total parameters and 32 billion active parameters per inference. It features a 256K token context window (expanded from 128K in an September 2025 update) and demonstrated strong performance on agentic coding benchmarks. Kimi K2 targets software engineering agents, tool-use workflows, and open-source deployments under a modified MIT license.
4 months newer
Grok 3
xAI
2025-02-17
Kimi K2
Moonshot AI
2025-07-11
Pricing Comparison
Cost per million tokens (USD)
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Grok 3
Input:$3.00
Output:$15.00
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Kimi K2
Input:$0.60
Output:$2.50($14.90 cheaper)
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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Grok 3
1 providers
xAI
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Kimi K2
1 providers
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Grok 3
Avg Score:0.0%
Providers:1
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Kimi K2
Avg Score:0.0%
Providers:1