# AI leaderboard changes May 2026

As of May 27, 2026, 8 confirmed crown changes are recorded for May 2026.

## Confirmed crown changes

- May 27, 2026. Reasoning: GLM 5.1 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- May 19, 2026. Vision: GPT-5.5 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- May 19, 2026. Coding › Web dev: Claude Opus 4.7 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- May 18, 2026. General LLM: Claude Opus 4.6 and Claude Opus 4.7 and Muse Spark are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- May 14, 2026. Long context: Claude Opus 4.6 and Claude Opus 4.7 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- May 12, 2026. Reasoning: Claude Opus 4.6 and Claude Opus 4.7 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- May 7, 2026. General LLM: Claude Opus 4.6 and Gemini 3.1 Pro Preview and Claude Opus 4.7 and Muse Spark are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources.
- May 6, 2026. Reasoning: Claude Opus 4.6 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources.

## Top 3

- Claude Opus 4.6 at #1 in General LLM
- Claude Opus 4.6 at #1 in Reasoning
- Claude Opus 4.6 at #1 in Long context
- Claude Opus 4.7 at #1 in General LLM
- Claude Opus 4.7 at #1 in Reasoning
- Claude Opus 4.7 at #1 in Coding › Web dev
- Claude Opus 4.7 at #1 in Long context
- Gemini 3.1 Pro Preview at #1 in General LLM
- GPT-5.5 at #1 in Vision
- Muse Spark at #1 in General LLM

## Benchmarks

- FrontierMath updated May 28, 2026.