OpenAI Officially Releases GPT-5.5 with Enhanced Agent Capabilities; Early Benchmark Test Results Are Mixed
On April 25, OpenAI launched the GPT-5.5 closed-source model, emphasizing upgrades in agent capabilities for tasks like coding and reasoning, though early benchmarks show inconsistent results due to evaluation mismatches and other factors. Winzheng.com advises caution and plans to release a detailed evaluation report soon.