Model Comparison

GPT-5 High vs DeepSeek R1 Zero

GPT-5 High significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-5 High outperforms in 1 benchmarks (GPQA), while DeepSeek R1 Zero is better at 0 benchmarks.

GPT-5 High significantly outperforms across most benchmarks.

Wed Apr 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Wed Apr 15 2026 • llm-stats.com
OpenAI
GPT-5 High
Input tokens$1.25
Output tokens$10.00
Best providerOpenAI
DeepSeek
DeepSeek R1 Zero
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Only GPT-5 High specifies input context (400,000 tokens). Only GPT-5 High specifies output context (128,000 tokens).

OpenAI
GPT-5 High
Input400,000 tokens
Output128,000 tokens
DeepSeek
DeepSeek R1 Zero
Input- tokens
Output- tokens
Wed Apr 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5 High supports multimodal inputs, whereas DeepSeek R1 Zero does not.

GPT-5 High can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5 High

Text
Images
Audio
Video

DeepSeek R1 Zero

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5 High is licensed under a proprietary license, while DeepSeek R1 Zero uses MIT.

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

GPT-5 High

Proprietary

Closed source

DeepSeek R1 Zero

MIT

Open weights

Release Timeline

When each model was launched

GPT-5 High was released on 2025-08-07, while DeepSeek R1 Zero was released on 2025-01-20.

GPT-5 High is 7 months newer than DeepSeek R1 Zero.

GPT-5 High

Aug 7, 2025

8 months ago

6mo newer
DeepSeek R1 Zero

Jan 20, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

GPT-5 High has a documented knowledge cutoff of 2024-09-30, while DeepSeek R1 Zero's cutoff date is not specified.

We can confirm GPT-5 High's training data extends to 2024-09-30, but cannot make a direct comparison without DeepSeek R1 Zero's cutoff date.

GPT-5 High

Sep 2024

DeepSeek R1 Zero

—

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (400,000 tokens)
Supports multimodal inputs
Higher GPQA score (87.3% vs 73.3%)
DeepSeek
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5 High
DeepSeek
DeepSeek R1 Zero

FAQ

Common questions about GPT-5 High vs DeepSeek R1 Zero

GPT-5 High significantly outperforms across most benchmarks. GPT-5 High is made by OpenAI and DeepSeek R1 Zero is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5 High scores AIME 2025: 94.6%, GPQA: 87.3%. DeepSeek R1 Zero scores MATH-500: 95.9%, AIME 2024: 86.7%, GPQA: 73.3%, LiveCodeBench: 50.0%.
GPT-5 High supports 400K tokens and DeepSeek R1 Zero supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.
GPT-5 High is developed by OpenAI and DeepSeek R1 Zero is developed by DeepSeek.