Model Comparison

GPT-5.4 vs DeepSeek VL2 SmallWhich is better in 2026?

Comparing GPT-5.4 and DeepSeek VL2 Small across benchmarks, pricing, and capabilities.

Verdict: GPT-5.4 vs DeepSeek VL2 Small — which is better?

GPT-5.4 (by OpenAI) and DeepSeek VL2 Small (by DeepSeek) 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.

Choose GPT-5.4 if…

  • you want the most recent training data — it shipped Mar 2026

Choose DeepSeek VL2 Small if…

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

Comparative analysis across standard metrics

No common benchmarks found

GPT-5.4 and DeepSeek VL2 Small don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5.4 specifies input context (1,000,000 tokens). Only GPT-5.4 specifies output context (128,000 tokens).

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
DeepSeek
DeepSeek VL2 Small
Input- tokens
Output- tokens
Sat Jun 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.4 and DeepSeek VL2 Small support multimodal inputs.

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

GPT-5.4

Text
Images
Audio
Video

DeepSeek VL2 Small

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.4 is licensed under a proprietary license, while DeepSeek VL2 Small uses deepseek.

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

GPT-5.4

Proprietary

Closed source

DeepSeek VL2 Small

deepseek

Open weights

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while DeepSeek VL2 Small was released on 2024-12-13.

GPT-5.4 is 15 months newer than DeepSeek VL2 Small.

GPT-5.4

Mar 5, 2026

3 months ago

1.2yr newer
DeepSeek VL2 Small

Dec 13, 2024

1.5 years ago

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

OpenAI
Larger context window (1,000,000 tokens)
DeepSeek
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
DeepSeek
DeepSeek VL2 Small

FAQ

Common questions about GPT-5.4 vs DeepSeek VL2 Small.

Which is better, GPT-5.4 or DeepSeek VL2 Small?

GPT-5.4 (OpenAI) and DeepSeek VL2 Small (DeepSeek) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GPT-5.4 compare to DeepSeek VL2 Small in benchmarks?

GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%. DeepSeek VL2 Small scores DocVQA: 92.3%, ChartQA: 84.5%, OCRBench: 83.4%, TextVQA: 83.4%, MMBench: 80.3%.

What are the context window sizes for GPT-5.4 and DeepSeek VL2 Small?

GPT-5.4 supports 1.0M tokens and DeepSeek VL2 Small supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5.4 and DeepSeek VL2 Small?

Key differences include licensing (Proprietary vs deepseek). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.4 and DeepSeek VL2 Small?

GPT-5.4 is developed by OpenAI and DeepSeek VL2 Small is developed by DeepSeek.

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