AI News This Week: GPT-5.5 Pro, Gemini 3.5 Flash, and More (June 2026)
A lot happened in AI this week. Here’s what matters and why. OpenAI: GPT-5.5 Pro Launches OpenAI released GPT-5.5 Pro to API users. Key improvements over GPT-5.5: Better reasoning: 12% improvement on complex multi-step tasks Reduced hallucinations: 23% fewer factual errors than GPT-5.5 Longer context: Extended to 2M tokens for Pro users Pricing: $15/$60 per million tokens (input/output) — 3x the cost of GPT-5.5 Who should care: Developers building production applications where accuracy matters more than cost. ...