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GPT-5.1 Thinking vs UI-TARS-2
Comprehensive side-by-side LLM comparison
. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-5.1 Thinking, released by OpenAI in November 2025, is an extended reasoning variant from the GPT-5.1 family that applies chain-of-thought processing to improve accuracy on complex reasoning, mathematics, and coding tasks. It targets analytical workflows where deliberate reasoning over a problem significantly improves output quality.
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ByteDance
UI-TARS-2, released by ByteDance in September 2025, is a major generational upgrade of the UI-TARS family of GUI interaction models, with enhanced capabilities across computer control, game environments, code generation, and tool use. It targets agentic workflows requiring robust multimodal understanding of graphical interfaces across diverse application domains.
1 month newer
UI-TARS-2
ByteDance
2025-09-04
GPT-5.1 Thinking
OpenAI
2025-11
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5.1 Thinking
0 providers
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UI-TARS-2
0 providers
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GPT-5.1 Thinking
Avg Score:0.0%
Providers:0
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UI-TARS-2
Avg Score:0.0%
Providers:0