The AI Models Index shows that in 2026, new AI models are released roughly...

https://tiny-wiki.win/index.php/How_Should_I_Use_LMArena_Results_If_I_Care_About_Coding_Agents%3F

The AI Models Index shows that in 2026, new AI models are released roughly every 4.5 days, with 56% of updates bringing improvements and 16% causing regressions. On average, models gain about +9.3 points on LMArena benchmarks