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GPT-5.2 vs Kimi K2 Thinking
Comprehensive side-by-side LLM comparison
GPT-5.2 leads with 7.2% higher average benchmark score. GPT-5.2 supports multimodal inputs. Overall, GPT-5.2 is the stronger choice for coding tasks.
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OpenAI
GPT-5.2, released by OpenAI on December 11, 2025, is a large language model from the GPT-5 family that improves on GPT-5 in general intelligence, long-context understanding, agentic tool-calling, and vision. It features a 400K token context window, 128K maximum output tokens, and a knowledge cutoff of August 2025. GPT-5.2 targets long-context coding tasks, extended document analysis, and complex agentic workflows requiring reliable instruction following.
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Moonshot AI
Kimi K2 Thinking, released by Moonshot AI on November 6, 2025, is a reasoning-focused variant of Kimi K2 with 1 trillion total parameters and 32 billion active parameters, featuring extended chain-of-thought processing for complex problem solving. It builds on K2's agentic coding strengths with additional capabilities for mathematical and scientific reasoning. Kimi K2 Thinking targets open-source deployments requiring deep, deliberate reasoning across coding and analytical domains.
1 month newer
Kimi K2 Thinking
Moonshot AI
2025-11-06
GPT-5.2
OpenAI
2025-12-11
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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GPT-5.2
Average Score:51.0%(+7.2%)
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Kimi K2 Thinking
Average Score:43.8%
Performance comparison across key benchmark categories
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GPT-5.2
Coding51.0%(+7.2%)
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Kimi K2 Thinking
Coding43.8%
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Knowledge Cutoff
Training data recency comparison
GPT-5.2
2025-08
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5.2
0 providers
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Kimi K2 Thinking
1 providers
Moonshot AI
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GPT-5.2
Avg Score:51.0%(+7.2%)
Providers:0
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Kimi K2 Thinking
Avg Score:43.8%
Providers:1