ChartAnno - Operation-Level Semantic Consistency: leaderboard

ChartAnno (2026) asks multimodal LLMs to add annotations to the executable code of real-world charts from instructions at three levels of specificity. A GPT-5.4 judge rates semantic faithfulness and clarity from 1 to 5 (0 for failed output); higher is better. Chart code is the only input, and operation-level instructions name the annotation operations.

Metric: Semantic consistency (out of 5): mean of semantic faithfulness and semantic clarity, each an integer rubric score from 1 to 5 given by a GPT-5.4 judge, 0 for failed or missing output; annotated chart code generated from the unannotated code of 1,200 real-world charts; chart code input only; operation-level instructions that name the annotation operations. Source: arxiv.org. Saturation forecast: Around February 2027. 10 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3.1 Pro (Preview)3.78#91
2GPT-5.43.67#121
3Gemini 3 Flash (Preview)3.61#141
4Claude Sonnet 4.63.46#158
5Kimi K2.53.31#252
6Gemma 4 31B3.21#393
7Qwen 3.5 397B A17B3#242
8Qwen 3.5 122B A10B2.89#329
9Qwen 3.5 27B2.83#358
10Qwen 3.5 9B2.16#803

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=chartanno-operation-level-semantic-consistency · How It Works · Data refreshed daily, snapshot 2026-11-12.