DeepSeek vs ChatGPT: The Definitive 2026 Comparison
OpenAI shipped GPT-5.5 on April 23, 2026, and DeepSeek countered with V4 Pro and V4 Flash the very next day. The two flagships now sit a few benchmark points apart on coding and reasoning, but the cost gap is enormous: DeepSeek V4 Flash output tokens cost $0.28 per million versus GPT-5.5 at $30, more than […]
