Model Comparison

Grok-1.5V vs Llama 4 ScoutWhich is better in 2026?

Llama 4 Scout significantly outperforms across most benchmarks.

Verdict: Grok-1.5V vs Llama 4 Scout — which is better?

Grok-1.5V (by xAI) and Llama 4 Scout (by Meta) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Grok-1.5V outperforms in 0 benchmarks, while Llama 4 Scout is better at 4 benchmarks (ChartQA, DocVQA, MathVista, MMMU). Llama 4 Scout significantly outperforms across most benchmarks.

Choose Grok-1.5V if…

  • you are already invested in the xAI ecosystem

Choose Llama 4 Scout if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
  • you want the most recent training data — it shipped Apr 2025
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Grok-1.5V outperforms in 0 benchmarks, while Llama 4 Scout is better at 4 benchmarks (ChartQA, DocVQA, MathVista, MMMU).

Llama 4 Scout significantly outperforms across most benchmarks.

Tue Jul 28 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Llama 4 Scout specifies input context (10,000,000 tokens). Only Llama 4 Scout specifies output context (10,000,000 tokens).

xAI
Grok-1.5V
Input- tokens
Output- tokens
Meta
Llama 4 Scout
Input10,000,000 tokens
Output10,000,000 tokens
Tue Jul 28 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok-1.5V and Llama 4 Scout support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Grok-1.5V

Text
Images
Audio
Video

Llama 4 Scout

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-1.5V is licensed under a proprietary license, while Llama 4 Scout uses Llama 4 Community License Agreement.

License differences may affect how you can use these models in commercial or open-source projects.

Grok-1.5V

Proprietary

Closed source

Llama 4 Scout

Llama 4 Community License Agreement

Open weights

Release Timeline

When each model was launched

Grok-1.5V was released on 2024-04-12, while Llama 4 Scout was released on 2025-04-05.

Llama 4 Scout is 12 months newer than Grok-1.5V.

Grok-1.5V

Apr 12, 2024

2.3 years ago

Llama 4 Scout

Apr 5, 2025

1.3 years ago

11mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

xAI

No standout differentiators in the data we have for this pair.

Meta
Larger context window (10,000,000 tokens)
Has open weights
Higher ChartQA score (88.8% vs 76.1%)
Higher DocVQA score (94.4% vs 85.6%)
Higher MathVista score (70.7% vs 52.8%)
Higher MMMU score (69.4% vs 53.6%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Grok-1.5V and Llama 4 Scout side-by-side, then vote on the output you prefer.

Grok-1.5V
✓ Preferred
Llama 4 Scout
Open in Playground
AI Model Comparison Table
Feature
xAI
Grok-1.5V
Meta
Llama 4 Scout

FAQ

Common questions about Grok-1.5V vs Llama 4 Scout.

Which is better, Grok-1.5V or Llama 4 Scout?

Llama 4 Scout significantly outperforms across most benchmarks. Grok-1.5V is made by xAI and Llama 4 Scout is made by Meta. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Grok-1.5V compare to Llama 4 Scout in benchmarks?

Grok-1.5V scores AI2D: 88.3%, DocVQA: 85.6%, TextVQA: 78.1%, ChartQA: 76.1%, RealWorldQA: 68.7%. Llama 4 Scout scores DocVQA: 94.4%, MGSM: 90.6%, ChartQA: 88.8%, MMLU: 79.6%, MMLU-Pro: 74.3%.

What are the context window sizes for Grok-1.5V and Llama 4 Scout?

Grok-1.5V supports an unknown number of tokens and Llama 4 Scout supports 10.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-1.5V and Llama 4 Scout?

Key differences include licensing (Proprietary vs Llama 4 Community License Agreement). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-1.5V and Llama 4 Scout?

Grok-1.5V is developed by xAI and Llama 4 Scout is developed by Meta.

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