Ranked: The Smartest AI Models in 2026

This graphic is part of AI Week, our Terzo-sponsored series exploring how artificial intelligence is reshaping business, technology, and society.

Key Takeaways

• The smartest AI models in 2026 are now clustered tightly at the top, with only a few points separating the leaders.
• Grok-4.20 Expert Mode and OpenAI GPT 5.4 Pro (Vision) share the highest score in this ranking at 145.
• In the 2025 results, OpenAI’s o3 scored the highest with 135, while their GPT 4o vision model only scored a 63.