GPT-5.2 Pro

GPT-5.2 Pro is a large language model developed by OpenAI, first documented via API and web interface on February 17, 2026, and also tracked under the aliases GPT-5.4 Pro and GPT-5.5 Pro. It is categorized as multimodal, though its specific non-text capabilities have not been detailed in initial release materials. Its primary demonstrated strength is autonomous code repair: on the SWE-bench Pro benchmark it achieves a score of 55.6, and on SWE-bench Verified it reaches 80.0, placing it above the earlier GPT-5’s reported 71.7 on the Verified set. API pricing is fixed at $21.00 per million input tokens and $168.00 per million output tokens, establishing a distinct cost tier above standard synchronous models. GPT-5.2 Pro is immediately relevant because it delivers a quantifiable, benchmarked upgrade in agentic coding performance at a transparent price point, directly addressing enterprise demand for verifiable automation in production software pipelines as of early 2026.

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