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GPT-5.2 vs Kimi K2.5
Comprehensive side-by-side LLM comparison
GPT-5.2 leads with 5.0% higher average benchmark score. GPT-5.2 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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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 K2.5, 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.
21 days newer
GPT-5.2
OpenAI
2025-12-11
Kimi K2.5
Moonshot AI
2026-01
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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GPT-5.2
Average Score:54.1%(+5.0%)
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Kimi K2.5
Average Score:49.1%
Performance comparison across key benchmark categories
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GPT-5.2
Coding65.2%(+12.6%)
Agents38.2%
Reasoning36.6%(+12.2%)
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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 K2.5
1 providers
Moonshot AI
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GPT-5.2
Avg Score:54.1%(+5.0%)
Providers:0
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Kimi K2.5
Avg Score:49.1%
Providers:1