# AI leaderboard changes March 2026

As of Mar 31, 2026, 6 confirmed crown changes are recorded for March 2026.

## Confirmed crown changes

- Mar 31, 2026. Long context: Claude Opus 4.6 and Gemini 3.1 Pro Preview are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- Mar 20, 2026. Reasoning: Claude Opus 4.6 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- Mar 20, 2026. Coding › Web dev: GLM 5 and Minimax M2 7 and GLM 4.7 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- Mar 19, 2026. Long context: Claude Opus 4.6 and Gemini 3.1 Pro Preview and Claude Sonnet 4.6 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- Mar 4, 2026. Coding › Web dev: GLM 5 and GLM 4.7 and Kimi K2 5 Thinking are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- Mar 3, 2026. Math: Gemini 3.1 Pro Preview takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources.

## Top 3

- Claude Opus 4.6 at #1 in Reasoning
- Claude Opus 4.6 at #1 in Long context
- Claude Sonnet 4.6 at #1 in Long context
- Gemini 3.1 Pro Preview at #1 in Math
- Gemini 3.1 Pro Preview at #1 in Long context

## Benchmarks
