Vision · best for
Best AI model for Chart & Graph Reading (2026)
Pulling numbers off charts in research papers and reports. Ranked from 346 live models on the OpenRouter catalog, weighted for vision input, reasoning quality, structured output.
| # | Model | Score | In / 1M | Out / 1M | Context | |
|---|---|---|---|---|---|---|
| 1 | MoonshotAI: Kimi K2.6moonshotai/kimi-k2.6 | 127 | $0.80 | $3.50 | 262,144 | Try → |
| 2 | Google: Gemma 4 26B A4B (free)google/gemma-4-26b-a4b-it:free | 127 | Free | Free | 262,144 | Try → |
| 3 | Google: Gemma 4 26B A4B google/gemma-4-26b-a4b-it | 127 | $0.07 | $0.35 | 262,144 | Try → |
| 4 | Google: Gemma 4 31B (free)google/gemma-4-31b-it:free | 127 | Free | Free | 262,144 | Try → |
| 5 | Google: Gemma 4 31Bgoogle/gemma-4-31b-it | 127 | $0.13 | $0.38 | 262,144 | Try → |
| 6 | Qwen: Qwen3.6 Plusqwen/qwen3.6-plus | 127 | $0.33 | $1.95 | 1,000,000 | Try → |
| 7 | Z.ai: GLM 5V Turboz-ai/glm-5v-turbo | 127 | $1.20 | $4.00 | 202,752 | Try → |
| 8 | xAI: Grok 4.20x-ai/grok-4.20 | 127 | $2.00 | $6.00 | 2,000,000 | Try → |
| 9 | Xiaomi: MiMo-V2-Omnixiaomi/mimo-v2-omni | 127 | $0.40 | $2.00 | 262,144 | Try → |
| 10 | OpenAI: GPT-5.4 Nanoopenai/gpt-5.4-nano | 127 | $0.20 | $1.25 | 400,000 | Try → |
| 11 | OpenAI: GPT-5.4 Miniopenai/gpt-5.4-mini | 127 | $0.75 | $4.50 | 400,000 | Try → |
| 12 | Mistral: Mistral Small 4mistralai/mistral-small-2603 | 127 | $0.15 | $0.60 | 262,144 | Try → |
| 13 | ByteDance Seed: Seed-2.0-Litebytedance-seed/seed-2.0-lite | 127 | $0.25 | $2.00 | 262,144 | Try → |
| 14 | Qwen: Qwen3.5-9Bqwen/qwen3.5-9b | 127 | $0.10 | $0.15 | 262,144 | Try → |
| 15 | OpenAI: GPT-5.4openai/gpt-5.4 | 127 | $2.50 | $15.00 | 1,050,000 | Try → |
How we ranked these
For Chart & Graph Reading, we weight models on vision input, reasoning quality, structured output. Higher means better. Scores combine OpenRouter's model metadata (context length, modality support, tool calling, structured output, reasoning capability) with public pricing. See full methodology →
Related tasks
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Best for Image Captioning
Accessible alt text and detailed image descriptions.
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Best for Image Generation
Models that produce images, not just read them.
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Best for Diagram Extraction
Reading flowcharts, org charts, architecture diagrams.
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Best for Screenshot Debugging
Diagnosing UI bugs from a screenshot.