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CharXiv
23 models tested · Updated 2026-04-16 · Verified sources only
Claude Opus 4.7
leads at
89.0%
1
Claude Opus 4.7
Anthropic ·
Blog/Anthropic
· 2026-04-16
Strong chart understanding. +10 pts over Opus 4.6 (78.9). 3x higher vision resolution helps document/chart tasks.
89.0%
2
Claude Fable 5
Anthropic ·
Blog/Anthropic
· 2026-06-09
Score as cited in Kimi K3 blog (source: Anthropic official). Fable 5 hit fallbacks on 35% of tasks.
88.9%
3
CharTool-7B
ByteDance ·
arxiv/2604.02794
· 2026-04-03
Tool-integrated chart reasoning: +2.04% over Qwen2.5-VL-7B on CharXiv Avg via image cropping and code-based computation with agentic RL.
86.76%
4
Muse Spark
Meta ·
Blog/Meta
· 2026-04-08
Chart reasoning SOTA. Beats GPT-5.4 (82.8), Gemini 3.1 Pro (80.2), Claude Opus 4.6 (65.3) per Meta announcement.
86.4%
5
Kimi K3
Moonshot AI ·
Blog/Moonshot AI
· 2026-07-16
CharXiv Reasoning Quality.
84.8%
6
GPT-5.6 Sol
OpenAI ·
Blog/OpenAI
· 2026-07-09
Score as cited in Kimi K3 blog (source: OpenAI official).
84.6%
7
Gemini 3.5 Flash
Google DeepMind ·
Blog/Google DeepMind
· 2026-06-10
Highest among compared models. Up from Gemini 3 Flash (80.3).
84.2%
8
GPT-5.5
OpenAI ·
Blog/OpenAI
· 2026-06-26
Score as cited in Kimi K3 blog (source: OpenAI official).
84.1%
9
Gemini 3.1 Pro
Google DeepMind ·
Blog/Google DeepMind
· 2026-06-10
Below Gemini 3.5 Flash (84.2). Above most peers.
83.3%
10
Claude Opus 4.7
Anthropic ·
Blog/Google DeepMind
· 2026-06-10
Below Gemini 3.5 Flash (84.2). Above Sonnet 4.6 (72.4).
82.1%
11
CharTool-3B
ByteDance ·
arxiv/2604.02794
· 2026-04-03
3B tool-integrated chart model: +5.04% over Qwen2.5-VL-3B on CharXiv Avg, using DuoChart data and agentic RL with cropping + code tools.
81.68%
12
Qwen 3.5 397B
Alibaba ·
HuggingFace/Qwen
· 2026-02-16
Chart understanding and reasoning. Between Claude Opus 4.6 (78.9) and Muse Spark (86.4).
80.8%
13
Claude Opus 4.8
Anthropic ·
Blog/Anthropic
· 2026-06-17
Score as cited in Kimi K3 blog (source: Anthropic official).
80.5%
14
Kimi K2.6
Moonshot AI ·
HF/moonshotai
· 2026-04-20
Without python tool. With python: 86.7. Native multimodal chart understanding.
80.4%
15
Gemini 3 Flash
Google DeepMind ·
Blog/Google DeepMind
· 2026-06-10
Below Gemini 3.5 Flash (84.2).
80.3%
16
Claude Opus 4.6
Anthropic ·
arxiv/Mythos-System-Card
· 2026-04-07
With tools. Chart reasoning on arxiv figures.
78.9%
17
Qwen 3.6 27B
Alibaba ·
HuggingFace/Qwen
· 2026-04-22
Near Qwen 3.5 397B MoE on document understanding. Beats Claude Opus 4.5.
78.4%
18
Inkling
Thinking Machines Lab ·
Blog/Thinking Machines Lab
· 2026-07-20
Chart reasoning; below Fable 5 (86.5) but above GLM-5.2. Encoder-free vision architecture.
78.1%
19
Qwen 3.6 35B-A3B
Alibaba ·
HuggingFace/Qwen
· 2026-04-18
MoE 3B active/35B total. Matches Sonnet 4.5 on document chart understanding.
78.0%
20
Inkling-Small
Thinking Machines Lab ·
Blog/ThinkingMachines
· 2026-07-15
CharXiv RQ.
76.7%
21
Claude Sonnet 4.6
Anthropic ·
Blog/Google DeepMind
· 2026-06-10
Below all frontier models. Gemini 3.5 Flash leads (84.2).
72.4%
22
EXAONE 4.5 33B
LG AI Research ·
HuggingFace/LGAI-EXAONE
· 2026-04-14
Strong document understanding. Beats GPT-5 mini (68.6) but trails Qwen3.5 27B (79.5).
71.7%
23
Claude Opus 4.6
Anthropic ·
arxiv/Mythos-System-Card
· 2026-04-07
No tools. Chart reasoning on arxiv figures.
61.5%