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GPT-5.2 vs Kimi K2
Comprehensive side-by-side LLM comparison
GPT-5.2 leads with 36.7% 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, 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.
5 months newer
Kimi K2
Moonshot AI
2025-07-11
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:60.6%(+36.7%)
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Kimi K2
Average Score:23.9%
Performance comparison across key benchmark categories
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GPT-5.2
Tool Use60.6%(+36.7%)
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Kimi K2
Tool Use23.9%
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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
1 providers
Moonshot AI
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GPT-5.2
Avg Score:60.6%(+36.7%)
Providers:0
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Kimi K2
Avg Score:23.9%
Providers:1