Recap · 2026-04

AI leaderboard changes April 2026

As of Apr 30, 2026, 23 confirmed crown changes are recorded for April 2026.

Crowns

Confirmed crown changes

Apr 30, 2026. Long context: Claude Opus 4.6 and Claude Opus 4.7 and GPT-5.5 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.6 Claude Opus 4.7 GPT-5.5 · Long context
Apr 28, 2026. Long context: Claude Opus 4.7 and Claude Opus 4.6 and Gemini 3.1 Pro Preview and GPT-5.5 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.7 Claude Opus 4.6 Gemini 3.1 Pro Preview GPT-5.5 · Long context
Apr 28, 2026. General LLM: Claude Opus 4.6 and Claude Opus 4.7 and Gemini 3.1 Pro Preview and Muse Spark and GPT-5.5 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.6 Claude Opus 4.7 Gemini 3.1 Pro Preview Muse Spark GPT-5.5 · General LLM
Apr 23, 2026. Image generation: GPT Image 2 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources. GPT Image 2 · Image generation
Apr 23, 2026. Image edit: GPT Image 2 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources. GPT Image 2 · Image edit
Apr 23, 2026. Coding › Web dev: GLM 5.1 and Kimi K2 6 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. GLM 5.1 Kimi K2 6 · Coding › Web dev
Apr 21, 2026. Coding › Web dev: Claude Opus 4.7 and Claude Opus 4.6 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.7 Claude Opus 4.6 · Coding › Web dev
Apr 20, 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. Claude Opus 4.6 Claude Opus 4.7 · Reasoning
Apr 20, 2026. Long context: Claude Opus 4.7 and 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. Claude Opus 4.7 Claude Opus 4.6 Gemini 3.1 Pro Preview · Long context
Apr 20, 2026. General LLM: Claude Opus 4.7 and Claude Opus 4.6 and Muse Spark and Gemini 3.1 Pro Preview are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.7 Claude Opus 4.6 Muse Spark Gemini 3.1 Pro Preview · General LLM
Apr 20, 2026. Vision: Kimi K2 6 takes the crown. First holder recorded for this category and slice. Kimi K2 6 · Vision
Apr 17, 2026. Vision: Claude Sonnet 4.6 and Gemini 3.1 Pro Preview and Claude Opus 4.7 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Sonnet 4.6 Gemini 3.1 Pro Preview Claude Opus 4.7 · Vision
Apr 16, 2026. Math: Gemini 3.1 Pro Preview and GPT-5.4 Pro and Muse Spark are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Gemini 3.1 Pro Preview GPT-5.4 Pro Muse Spark · Math
Apr 14, 2026. Reasoning: Claude Opus 4.6 and Muse Spark are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.6 Muse Spark · Reasoning
Apr 14, 2026. Coding › Web dev: Claude Opus 4.6 and GLM 5.1 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.6 GLM 5.1 · Coding › Web dev
Apr 14, 2026. Coding › Web dev: GLM 5.1 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources. GLM 5.1 · Coding › Web dev
Apr 10, 2026. General LLM: Claude Opus 4.6 and Muse Spark and Gemini 3.1 Pro Preview and GPT-5.4 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.6 Muse Spark Gemini 3.1 Pro Preview GPT-5.4 · General LLM
Apr 9, 2026. Long context: Claude Opus 4.6 and Gemini 3.1 Pro Preview and GLM 5.1 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Claude Opus 4.6 Gemini 3.1 Pro Preview GLM 5.1 · Long context
Apr 9, 2026. Long context: GLM 5.1 takes the crown. Crown change confirmed by two consecutive snapshots or two independent primary sources. GLM 5.1 · Long context
Apr 2, 2026. Coding › Web dev: GLM 5 and GLM 4.7 are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. GLM 5 GLM 4.7 · Coding › Web dev
Apr 1, 2026. Embeddings: Qwen Qwen3 Embedding 8B and Tencent Kalm Embedding Gemma3 12B 2511 and Microsoft Harrier Oss V1 27B are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Qwen Qwen3 Embedding 8B Tencent Kalm Embedding Gemma3 12B 2511 Microsoft Harrier Oss V1 27B · Embeddings
Apr 1, 2026. Embeddings: Qwen Qwen3 Embedding 8B and Tencent Kalm Embedding Gemma3 12B 2511 and Microsoft Harrier Oss V1 27B are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Qwen Qwen3 Embedding 8B Tencent Kalm Embedding Gemma3 12B 2511 Microsoft Harrier Oss V1 27B · Embeddings
Apr 1, 2026. Embeddings: Qwen Qwen3 Embedding 8B and Tencent Kalm Embedding Gemma3 12B 2511 and Microsoft Harrier Oss V1 27B are co-SOTA. Crown change confirmed by two consecutive snapshots or two independent primary sources. Qwen Qwen3 Embedding 8B Tencent Kalm Embedding Gemma3 12B 2511 Microsoft Harrier Oss V1 27B · Embeddings

Top 3

Models that entered the 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 Coding › Web dev
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
Claude Opus 4.7 at #1 in Vision
Claude Sonnet 4.6 at #1 in Vision
Gemini 3.1 Pro Preview at #1 in General LLM
Gemini 3.1 Pro Preview at #1 in Math
Gemini 3.1 Pro Preview at #1 in Long context
Gemini 3.1 Pro Preview at #1 in Vision
GLM 5.1 at #1 in Coding › Web dev
GLM 5.1 at #1 in Long context
GPT Image 2 at #1 in Image generation
GPT Image 2 at #1 in Image edit
GPT-5.4 at #1 in General LLM
GPT-5.4 Pro at #1 in Math
GPT-5.5 at #1 in General LLM
GPT-5.5 at #1 in Long context
Microsoft Harrier Oss V1 27B at #1 in Embeddings
Muse Spark at #1 in General LLM
Muse Spark at #1 in Reasoning
Muse Spark at #1 in Math
Qwen Qwen3 Embedding 8B at #1 in Embeddings
Tencent Kalm Embedding Gemma3 12B 2511 at #1 in Embeddings

Benchmarks

Benchmarks added or saturated

Benchmark additions for this month are still empty.