OpenAI released ChatGPT 5.5 on April 23, 2026 – just six weeks after GPT-5.4 – and it immediately reclaimed the top spot on 14 benchmarks. The model scores 82.7% on Terminal-Bench 2.0, uses 40% fewer tokens than its predecessor, and ships with a 1M-token context window. In this guide, we’ll cover where GPT-5.5 beats Claude, … Continue reading ChatGPT 5.5 BEATS Claude? Best Prompts & Codex Agent Guide