The AI arena is free today

Open Superagent

DeepSeek VL2 Small vs Grok 4 Fast

Grok 4 Fast leads the LLM Stats Score 31.7 to 1.2.

DeepSeek · xAI · Updated for 2026

Which is better?

Grok 4 Fast leads the overall LLM Stats Score 31.7 to 1.2, ranking #116 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose DeepSeek VL2 Small

  • you need open weights you can self-host or fine-tune

Choose Grok 4 Fast

  • overall performance matters — it scores 31.7 and ranks #116 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Aug 2025

At a glance

The differences that matter most.

Core performance indexes
1.2
#327
31.7
#116
-4.0
#345
30.7
#120
Cost, coverage & limits
Benchmark wins
Input price
— / M
$0.20 / M
Output price
— / M
$0.50 / M
Context window
2,000,000

Individual benchmarks

14 reported for DeepSeek VL2 Small · 7 for Grok 4 Fast

No common benchmarks found

DeepSeek VL2 Small and Grok 4 Fastdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Grok 4 Fast specifies input context (2,000,000 tokens). Only Grok 4 Fast specifies output context (30,000 tokens).

DeepSeek
DeepSeek VL2 Small
Input- tokens
Output- tokens
xAI
Grok 4 Fast
Input2,000,000 tokens
Output30,000 tokens
Wed Sep 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both DeepSeek VL2 Small and Grok 4 Fast support multimodal inputs.

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

DeepSeek VL2 Small

Text
Images
Audio
Video

Grok 4 Fast

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek VL2 Small is licensed under deepseek, while Grok 4 Fast uses a proprietary license.

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

DeepSeek VL2 Small

deepseek

Open weights

Grok 4 Fast

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek VL2 Small was released on 2024-12-13, while Grok 4 Fast was released on 2025-08-28.

Grok 4 Fast is 9 months newer than DeepSeek VL2 Small.

DeepSeek VL2 Small

Dec 13, 2024

1.8 years ago

Grok 4 Fast

Aug 28, 2025

1.1 years ago

8mo 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

Judge for yourself.

Run your own prompts against DeepSeek VL2 Small and Grok 4 Fast side-by-side, then vote on the output you prefer.

DeepSeek VL2 Small
✓ Preferred
Grok 4 Fast
Open in Playground

FAQ

Common questions about DeepSeek VL2 Small vs Grok 4 Fast.

Which is better, DeepSeek VL2 Small or Grok 4 Fast?

Grok 4 Fast leads the LLM Stats Score 31.7 to 1.2. DeepSeek VL2 Small is made by DeepSeek and Grok 4 Fast is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek VL2 Small compare to Grok 4 Fast in benchmarks?

DeepSeek VL2 Small scores DocVQA: 92.3%, ChartQA: 84.5%, OCRBench: 83.4%, TextVQA: 83.4%, MMBench: 80.3%. Grok 4 Fast scores SimpleQA: 95.0%, HMMT 2025: 93.3%, AIME 2025: 92.0%, GPQA: 85.7%, LiveCodeBench: 80.0%.

What are the context window sizes for DeepSeek VL2 Small and Grok 4 Fast?

DeepSeek VL2 Small supports an unknown number of tokens and Grok 4 Fast supports 2.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek VL2 Small and Grok 4 Fast?

Key differences include LLM Stats Score (1.2 vs 31.7), licensing (deepseek vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek VL2 Small and Grok 4 Fast?

DeepSeek VL2 Small is developed by DeepSeek and Grok 4 Fast is developed by xAI.