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DeepSeek VL2 vs Grok-4 Fast Non-Reasoning

Comparing DeepSeek VL2 and Grok-4 Fast Non-Reasoning across benchmarks, pricing, and capabilities.

DeepSeek · xAI · Updated for 2026

Which is better?

DeepSeek VL2 and Grok-4 Fast Non-Reasoning trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Grok-4 Fast Non-Reasoning also accepts a larger context window (2,000,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose DeepSeek VL2

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

Choose Grok-4 Fast Non-Reasoning

  • you process long inputs — it offers a 2,000,000 token context window
  • you want the most recent training data — it shipped Aug 2025

At a glance

The differences that matter most.

DeepSeek VL2
DeepSeek
Grok-4 Fast Non-Reasoning
xAI
Benchmark wins
—
—
Input price
— / M
$0.20 / M
Output price
— / M
$0.50 / M
Context window
129,280
2,000,000

Individual benchmarks

14 reported for DeepSeek VL2 · 0 for Grok-4 Fast Non-Reasoning

No common benchmarks found

DeepSeek VL2 and Grok-4 Fast Non-Reasoningdon'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

Grok-4 Fast Non-Reasoning accepts 2,000,000 input tokens compared to DeepSeek VL2's 129,280 tokens. DeepSeek VL2 can generate longer responses up to 129,280 tokens, while Grok-4 Fast Non-Reasoning is limited to 30,000 tokens.

DeepSeek
DeepSeek VL2
Input129,280 tokens
Output129,280 tokens
xAI
Grok-4 Fast Non-Reasoning
Input2,000,000 tokens
Output30,000 tokens
Sun Sep 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both DeepSeek VL2 and Grok-4 Fast Non-Reasoning support multimodal inputs.

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

DeepSeek VL2

Text
Images
Audio
Video

Grok-4 Fast Non-Reasoning

Text
Images
Audio
Video

License

Usage and distribution terms

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

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

DeepSeek VL2

deepseek

Open weights

Grok-4 Fast Non-Reasoning

Proprietary

Closed source

Release Timeline

When each model was launched

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

Grok-4 Fast Non-Reasoning is 9 months newer than DeepSeek VL2.

DeepSeek VL2

Dec 13, 2024

1.7 years ago

Grok-4 Fast Non-Reasoning

Aug 28, 2025

1.0 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

Provider Availability

DeepSeek VL2 is available from Replicate. Grok-4 Fast Non-Reasoning is available from xAI.

DeepSeek VL2

replicate logo
Replicate

Grok-4 Fast Non-Reasoning

xai logo
xAI
Input Price:Input: $0.20/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

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

DeepSeek VL2
✓ Preferred
Grok-4 Fast Non-Reasoning
Open in Playground

FAQ

Common questions about DeepSeek VL2 vs Grok-4 Fast Non-Reasoning.

Which is better, DeepSeek VL2 or Grok-4 Fast Non-Reasoning?

DeepSeek VL2 (DeepSeek) and Grok-4 Fast Non-Reasoning (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does DeepSeek VL2 compare to Grok-4 Fast Non-Reasoning in benchmarks?

DeepSeek VL2 scores DocVQA: 93.3%, ChartQA: 86.0%, TextVQA: 84.2%, AI2D: 81.4%, OCRBench: 81.1%.

What are the context window sizes for DeepSeek VL2 and Grok-4 Fast Non-Reasoning?

DeepSeek VL2 supports 129K tokens and Grok-4 Fast Non-Reasoning 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 and Grok-4 Fast Non-Reasoning?

Key differences include context window (129K vs 2.0M), licensing (deepseek vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek VL2 and Grok-4 Fast Non-Reasoning?

DeepSeek VL2 is developed by DeepSeek and Grok-4 Fast Non-Reasoning is developed by xAI.

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