GPT-5.5 vs Claude Opus 4.7 vs Gemini 3.1 Pro: The Real 2026 AI Showdown
Last Updated: June 2, 2026 — All data sourced from verified reports. See Sources section. The 2026 AI model race is closer than you think. GPT-5.5 leads on some benchmarks, Claude Opus 4.7 dominates others, and Gemini 3.1 Pro is the cheapest by far. Here’s the data. Pricing: What You Actually Pay Model Input (per 1M tokens) Output (per 1M tokens) Context Window GPT-5.5 $5.00 $30.00 1M GPT-5.5 Pro $30.00 $180.00 1M Claude Opus 4.7 $15.00 $75.00 1M Gemini 3.1 Pro $2.50 $15.00 2M (Sources: Codersera, Tech Insider) ...