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GPT-5 Mini vs GPT-5.2
Comprehensive side-by-side LLM comparison
GPT-5.2 leads with 17.2% higher average benchmark score. Overall, GPT-5.2 is the stronger choice for coding tasks.
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OpenAI
GPT-5 mini, released by OpenAI in August 2025, is a smaller variant from the GPT-5 family that inherits GPT-5's unified reasoning architecture and multimodal capabilities at a reduced inference cost. It targets high-volume production use cases requiring a balance of intelligence and response speed, offering GPT-5 capabilities for applications where full GPT-5 inference costs are a concern.
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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.
4 months newer
GPT-5 Mini
OpenAI
2025-08
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 Mini
Average Score:19.4%
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GPT-5.2
Average Score:36.6%(+17.2%)
Performance comparison across key benchmark categories
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GPT-5 Mini
Reasoning19.4%
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GPT-5.2
Reasoning36.6%(+17.2%)
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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 Mini
1 providers
OpenAI
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GPT-5.2
0 providers
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GPT-5 Mini
Avg Score:19.4%
Providers:1
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GPT-5.2
Avg Score:36.6%(+17.2%)
Providers:0