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Grok 3 vs Kimi K2.5
Comprehensive side-by-side LLM comparison
Grok 3 offers 752.2K more tokens in context window than Kimi K2.5. Kimi K2.5 is $10.50 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 K2.5, released by Moonshot AI in January 2026, is an updated Mixture-of-Experts large language model with 1 trillion total parameters and 32 billion active parameters. It builds on Kimi K2 with improved coding performance across multiple languages and an expanded context window. Kimi K2.5 targets agentic development workflows, polyglot code generation, and open-source deployments requiring large-scale MoE reasoning.
10 months newer
Grok 3
xAI
2025-02-17
Kimi K2.5
Moonshot AI
2026-01
Pricing Comparison
Cost per million tokens (USD)
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Grok 3
Input:$3.00
Output:$15.00
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Kimi K2.5
Input:$1.50
Output:$6.00($10.50 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 K2.5
1 providers
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Grok 3
Avg Score:0.0%
Providers:1
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Kimi K2.5
Avg Score:0.0%
Providers:1