GPT-5.5 Beats GPT-5.4, Yet Opus 4.7 Still Tops Coding – Price Doubles
OpenAI’s GPT-5.5 surpasses its predecessor on most benchmarks, offering lower token usage and stronger agentic, research, and coding capabilities, but falls behind Anthropic’s Claude Opus 4.7 on the SWE‑Bench Pro coding test, while its API price has doubled to $5/$30 per million tokens.
