Model Comparison

DeepSeek R1 Zero vs GPT-4o miniWhich is better in 2026?

DeepSeek R1 Zero significantly outperforms across most benchmarks.

Verdict: DeepSeek R1 Zero vs GPT-4o mini — which is better?

DeepSeek R1 Zero (by DeepSeek) and GPT-4o mini (by OpenAI) 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.

DeepSeek R1 Zero outperforms in 1 benchmarks (GPQA), while GPT-4o mini is better at 0 benchmarks. DeepSeek R1 Zero significantly outperforms across most benchmarks.

Choose DeepSeek R1 Zero if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jan 2025
  • you need open weights you can self-host or fine-tune

Choose GPT-4o mini if…

  • you want predictable pricing at $0.15/M input and $0.60/M output

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

DeepSeek R1 Zero outperforms in 1 benchmarks (GPQA), while GPT-4o mini is better at 0 benchmarks.

DeepSeek R1 Zero significantly outperforms across most benchmarks.

Sat Jun 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-4o mini specifies input context (128,000 tokens). Only GPT-4o mini specifies output context (16,384 tokens).

DeepSeek
DeepSeek R1 Zero
Input- tokens
Output- tokens
OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Sat Jun 13 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4o mini supports multimodal inputs, whereas DeepSeek R1 Zero does not.

GPT-4o mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek R1 Zero

Text
Images
Audio
Video

GPT-4o mini

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek R1 Zero is licensed under MIT, while GPT-4o mini uses a proprietary license.

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

DeepSeek R1 Zero

MIT

Open weights

GPT-4o mini

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek R1 Zero was released on 2025-01-20, while GPT-4o mini was released on 2024-07-18.

DeepSeek R1 Zero is 6 months newer than GPT-4o mini.

DeepSeek R1 Zero

Jan 20, 2025

1.4 years ago

6mo newer
GPT-4o mini

Jul 18, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while DeepSeek R1 Zero's cutoff date is not specified.

We can confirm GPT-4o mini's training data extends to 2023-10-01, but cannot make a direct comparison without DeepSeek R1 Zero's cutoff date.

DeepSeek R1 Zero

GPT-4o mini

Oct 2023

Outputs Comparison

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Key Takeaways

Has open weights
Higher GPQA score (73.3% vs 40.2%)
Larger context window (128,000 tokens)
Supports multimodal inputs

Detailed Comparison

AI Model Comparison Table
Feature
DeepSeek
DeepSeek R1 Zero
OpenAI
GPT-4o mini

FAQ

Common questions about DeepSeek R1 Zero vs GPT-4o mini.

Which is better, DeepSeek R1 Zero or GPT-4o mini?

DeepSeek R1 Zero significantly outperforms across most benchmarks. DeepSeek R1 Zero is made by DeepSeek and GPT-4o mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does DeepSeek R1 Zero compare to GPT-4o mini in benchmarks?

DeepSeek R1 Zero scores MATH-500: 95.9%, AIME 2024: 86.7%, GPQA: 73.3%, LiveCodeBench: 50.0%. GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%.

What are the context window sizes for DeepSeek R1 Zero and GPT-4o mini?

DeepSeek R1 Zero supports an unknown number of tokens and GPT-4o mini supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek R1 Zero and GPT-4o mini?

Key differences include multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek R1 Zero and GPT-4o mini?

DeepSeek R1 Zero is developed by DeepSeek and GPT-4o mini is developed by OpenAI.