Model Comparison

ChatGPT-4o Latest vs DeepSeek-R1-0528

ChatGPT-4o Latest significantly outperforms across most benchmarks. DeepSeek-R1-0528 is 4.8x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

ChatGPT-4o Latest outperforms in 1 benchmarks (GPQA), while DeepSeek-R1-0528 is better at 0 benchmarks.

ChatGPT-4o Latest significantly outperforms across most benchmarks.

Sat Apr 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-R1-0528 costs less

For input processing, ChatGPT-4o Latest ($2.50/1M tokens) is 5.0x more expensive than DeepSeek-R1-0528 ($0.50/1M tokens).

For output processing, ChatGPT-4o Latest ($10.00/1M tokens) is 4.7x more expensive than DeepSeek-R1-0528 ($2.15/1M tokens).

In conclusion, ChatGPT-4o Latest is more expensive than DeepSeek-R1-0528.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sat Apr 18 2026 • llm-stats.com
OpenAI
ChatGPT-4o Latest
Input tokens$2.50
Output tokens$10.00
Best providerOpenAI
DeepSeek
DeepSeek-R1-0528
Input tokens$0.50
Output tokens$2.15
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

DeepSeek-R1-0528 accepts 131,072 input tokens compared to ChatGPT-4o Latest's 128,000 tokens. DeepSeek-R1-0528 can generate longer responses up to 131,072 tokens, while ChatGPT-4o Latest is limited to 16,384 tokens.

OpenAI
ChatGPT-4o Latest
Input128,000 tokens
Output16,384 tokens
DeepSeek
DeepSeek-R1-0528
Input131,072 tokens
Output131,072 tokens
Sat Apr 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

ChatGPT-4o Latest supports multimodal inputs, whereas DeepSeek-R1-0528 does not.

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

ChatGPT-4o Latest

Text
Images
Audio
Video

DeepSeek-R1-0528

Text
Images
Audio
Video

License

Usage and distribution terms

ChatGPT-4o Latest is licensed under a proprietary license, while DeepSeek-R1-0528 uses MIT.

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

ChatGPT-4o Latest

Proprietary

Closed source

DeepSeek-R1-0528

MIT

Open weights

Release Timeline

When each model was launched

ChatGPT-4o Latest was released on 2024-05-13, while DeepSeek-R1-0528 was released on 2025-05-28.

DeepSeek-R1-0528 is 13 months newer than ChatGPT-4o Latest.

ChatGPT-4o Latest

May 13, 2024

1.9 years ago

DeepSeek-R1-0528

May 28, 2025

10 months ago

1.0yr 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

ChatGPT-4o Latest is available from OpenAI. DeepSeek-R1-0528 is available from DeepInfra, DeepSeek, Novita.

ChatGPT-4o Latest

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

DeepSeek-R1-0528

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $2.15/1M
deepseek logo
DeepSeek
Input Price:Input: $0.55/1MOutput Price:Output: $2.19/1M
novita logo
Novita
Input Price:Input: $0.70/1MOutput Price:Output: $2.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Supports multimodal inputs
Higher GPQA score (84.0% vs 81.0%)
DeepSeek
Larger context window (131,072 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
ChatGPT-4o Latest
DeepSeek
DeepSeek-R1-0528

FAQ

Common questions about ChatGPT-4o Latest vs DeepSeek-R1-0528

ChatGPT-4o Latest significantly outperforms across most benchmarks. ChatGPT-4o Latest is made by OpenAI and DeepSeek-R1-0528 is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
ChatGPT-4o Latest scores GPQA: 84.0%. DeepSeek-R1-0528 scores MMLU-Redux: 93.4%, SimpleQA: 92.3%, AIME 2024: 91.4%, AIME 2025: 87.5%, MMLU-Pro: 85.0%.
DeepSeek-R1-0528 is 5.0x cheaper for input tokens. ChatGPT-4o Latest costs $2.50/M input and $10.00/M output via openai. DeepSeek-R1-0528 costs $0.50/M input and $2.15/M output via deepinfra.
ChatGPT-4o Latest supports 128K tokens and DeepSeek-R1-0528 supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (128K vs 131K), input pricing ($2.50 vs $0.50/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.
ChatGPT-4o Latest is developed by OpenAI and DeepSeek-R1-0528 is developed by DeepSeek.