AI2D test split (AI2D_TEST)

A diagram understanding benchmark focused on scientific and educational visual question answering.

Top Models on AI2D_TEST — March 2026

As of March 2026, Qwen3.6 Plus leads the AI2D_TEST leaderboard with 94.4% , followed by Gemini 3 Pro (94.1%) and Qwen3.5 397B (93.9%).

6 modelsMultimodal & GroundedCurrentDisplay onlyUpdated April 2, 2026

According to BenchLM.ai, Qwen3.6 Plus leads the AI2D_TEST benchmark with a score of 94.4%, followed by Gemini 3 Pro (94.1%) and Qwen3.5 397B (93.9%). The top models are clustered within 0.5 points, suggesting this benchmark is nearing saturation for frontier models.

6 models have been evaluated on AI2D_TEST. The benchmark falls in the Multimodal & Grounded category. This category carries a 12% weight in BenchLM.ai's overall scoring system. AI2D_TEST is currently displayed for reference but excluded from the scoring formula, so it does not directly affect overall rankings.

About AI2D_TEST

Year

2026

Tasks

Diagram understanding

Format

Diagram-grounded QA

Difficulty

Structured visual reasoning

AI2D-style tasks matter because diagrams compress structure differently from photos or office documents. They test whether a model can parse arrows, labels, and spatial relations in technical illustrations.

Qwen3.6 launch benchmarks

BenchLM freshness & provenance

Version

AI2D_TEST 2026

Refresh cadence

Quarterly

Staleness state

Current

Question availability

Public benchmark set

CurrentDisplay only

BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.

Leaderboard (6 models)

#1Qwen3.6 Plus
94.4%
#2Gemini 3 Pro
94.1%
#3Qwen3.5 397B
93.9%
#4GPT-5.2
92.2%
#5Kimi K2.5
90.8%
#6Claude Opus 4.5
87.7%

FAQ

What does AI2D_TEST measure?

A diagram understanding benchmark focused on scientific and educational visual question answering.

Which model scores highest on AI2D_TEST?

Qwen3.6 Plus by Alibaba currently leads with a score of 94.4% on AI2D_TEST.

How many models are evaluated on AI2D_TEST?

6 AI models have been evaluated on AI2D_TEST on BenchLM.

Last updated: April 2, 2026 · BenchLM version AI2D_TEST 2026

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