ChartAnno - Implementation-Level Semantic Consistency: leaderboard

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; implementation-level instructions that specify the annotation elements and their visual properties. Source: arxiv.org. Saturation forecast: Around December 2026. 10 models tracked.

Top models

#ModelScore
1Gemini 3.1 Pro (Preview)4.13
2GPT-5.44.05
3Gemini 3 Flash (Preview)4.01
4Claude Sonnet 4.64
5Kimi K2.53.87
6Gemma 4 31B3.62
7Qwen 3.5 397B A17B3.62
8Qwen 3.5 122B A10B3.44
9Qwen 3.5 27B3.43
10Qwen 3.5 9B2.87

Interactive version: theaggregate.ai/benchmark?slug=chartanno-implementation-level-semantic-consistency · How It Works · Data refreshed daily, snapshot 2026-09-26.