Recap · 2026-08
AI leaderboard changes August 2026
As of Aug 21, 2026, 15 confirmed crown changes are recorded for August 2026.
Crowns
Confirmed crown changes
- Aug 21, 2026. Factuality: Claude Opus 4.6 and Claude Opus 5 and Gemini 3.7 Flash and Muse Spark 1.2 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.6Claude Opus 5Gemini 3.7 FlashMuse Spark 1.2 · Factuality
- Aug 21, 2026. Coding › Web dev: Qwen3 8 27B takes the crown. First holder recorded for this category and slice. Qwen3 8 27B · Coding › Web dev
- Aug 20, 2026. Vision: Kimi K3 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources. Kimi K3 · Vision
- Aug 19, 2026. Reasoning: Claude Opus 4.6 and Claude Fable 5 and Claude Opus 4.7 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.6Claude Fable 5Claude Opus 4.7 · Reasoning
- Aug 19, 2026. Long context: Claude Opus 4.6 and Claude Fable 5 and Claude Opus 4.7 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.6Claude Fable 5Claude Opus 4.7 · Long context
- Aug 19, 2026. General LLM: Claude Fable 5 and Claude Opus 4.6 and Claude Opus 4.7 and Muse Spark 1.2 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Fable 5Claude Opus 4.6Claude Opus 4.7Muse Spark 1.2 · General LLM
- Aug 11, 2026. Reasoning: Claude Fable 5 and Claude Opus 4.6 and Claude Opus 5 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Fable 5Claude Opus 4.6Claude Opus 5 · Reasoning
- Aug 11, 2026. Long context: Claude Fable 5 and Claude Opus 4.6 and Claude Opus 5 and Muse Spark 1.2 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Fable 5Claude Opus 4.6Claude Opus 5Muse Spark 1.2 · Long context
- Aug 11, 2026. General LLM: Claude Fable 5 and Muse Spark 1.2 and Claude Opus 4.6 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Fable 5Muse Spark 1.2Claude Opus 4.6 · General LLM
- Aug 10, 2026. Factuality: Claude Opus 5 and Claude Opus 4.6 and GPT-5.5 and GPT-5.4 and Muse Spark 1.2 and Claude Fable 5 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 5Claude Opus 4.6GPT-5.5GPT-5.4Muse Spark 1.2Claude Fable 5 · Factuality
- Aug 10, 2026. Coding › Web dev: Claude Opus 5 and Kimi K3 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 5Kimi K3 · Coding › Web dev
- Aug 3, 2026. Reasoning: Claude Fable 5 and Claude Opus 4.6 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Fable 5Claude Opus 4.6 · Reasoning
- Aug 3, 2026. General LLM: Claude Fable 5 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Fable 5 · General LLM
- Aug 3, 2026. Factuality: Claude Opus 5 and Claude Opus 4.6 and Claude Fable 5 and GPT-5.4 and GPT-5.5 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 5Claude Opus 4.6Claude Fable 5GPT-5.4GPT-5.5 · Factuality
- Aug 1, 2026. Coding › Web dev: Claude Opus 5 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 5 · Coding › Web dev
Top 3
Models that entered the top 3
- Claude Fable 5 at #1 in General LLM
- Claude Fable 5 at #1 in Reasoning
- Claude Fable 5 at #1 in Long context
- Claude Fable 5 at #1 in Factuality
- 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 4.6 at #1 in Factuality
- Claude Opus 4.7 at #1 in General LLM
- Claude Opus 4.7 at #1 in Reasoning
- Claude Opus 4.7 at #1 in Long context
- Claude Opus 5 at #1 in Reasoning
- Claude Opus 5 at #1 in Coding › Web dev
- Claude Opus 5 at #1 in Long context
- Claude Opus 5 at #1 in Factuality
- Gemini 3.7 Flash at #1 in Factuality
- GPT-5.4 at #1 in Factuality
- GPT-5.5 at #1 in Factuality
- Kimi K3 at #1 in Coding › Web dev
- Muse Spark 1.2 at #1 in General LLM
- Muse Spark 1.2 at #1 in Long context
- Muse Spark 1.2 at #1 in Factuality
Benchmarks
Benchmarks added or saturated
Benchmark additions for this month are still empty.