Model Comparison

GPT-4o vs DeepSeek-V2.5

GPT-4o significantly outperforms across most benchmarks. DeepSeek-V2.5 is 25.0x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GPT-4o outperforms in 2 benchmarks (MMLU, SWE-Bench Verified), while DeepSeek-V2.5 is better at 0 benchmarks.

GPT-4o significantly outperforms across most benchmarks.

Sun Apr 12 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V2.5 costs less

For input processing, GPT-4o ($2.50/1M tokens) is 17.9x more expensive than DeepSeek-V2.5 ($0.14/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 35.7x more expensive than DeepSeek-V2.5 ($0.28/1M tokens).

In conclusion, GPT-4o is more expensive than DeepSeek-V2.5.*

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

Lowest available price from all providers
Sun Apr 12 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
DeepSeek
DeepSeek-V2.5
Input tokens$0.14
Output tokens$0.28
Best providerDeepSeek
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-4o accepts 128,000 input tokens compared to DeepSeek-V2.5's 8,192 tokens. GPT-4o can generate longer responses up to 16,384 tokens, while DeepSeek-V2.5 is limited to 8,192 tokens.

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
DeepSeek
DeepSeek-V2.5
Input8,192 tokens
Output8,192 tokens
Sun Apr 12 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4o supports multimodal inputs, whereas DeepSeek-V2.5 does not.

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

GPT-4o

Text
Images
Audio
Video

DeepSeek-V2.5

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o is licensed under a proprietary license, while DeepSeek-V2.5 uses deepseek.

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

GPT-4o

Proprietary

Closed source

DeepSeek-V2.5

deepseek

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-08-06, while DeepSeek-V2.5 was released on 2024-05-08.

GPT-4o is 3 months newer than DeepSeek-V2.5.

GPT-4o

Aug 6, 2024

1.7 years ago

3mo newer
DeepSeek-V2.5

May 8, 2024

1.9 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

Provider Availability

GPT-4o is available from Azure, OpenAI. DeepSeek-V2.5 is available from DeepSeek, DeepInfra, Hyperbolic.

GPT-4o

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

DeepSeek-V2.5

deepseek logo
DeepSeek
Input Price:Input: $0.14/1MOutput Price:Output: $0.28/1M
deepinfra logo
Deepinfra
Input Price:Input: $0.70/1MOutput Price:Output: $1.40/1M
hyperbolic logo
Hyperbolic
Input Price:Input: $2.00/1MOutput Price:Output: $2.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Larger context window (128,000 tokens)
Supports multimodal inputs
Higher MMLU score (85.7% vs 80.4%)
Higher SWE-Bench Verified score (33.2% vs 16.8%)
DeepSeek
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o
DeepSeek
DeepSeek-V2.5

FAQ

Common questions about GPT-4o vs DeepSeek-V2.5

GPT-4o significantly outperforms across most benchmarks. GPT-4o is made by OpenAI and DeepSeek-V2.5 is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%. DeepSeek-V2.5 scores GSM8k: 95.1%, MT-Bench: 90.2%, HumanEval: 89.0%, BBH: 84.3%, AlignBench: 80.4%.
DeepSeek-V2.5 is 17.9x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. DeepSeek-V2.5 costs $0.14/M input and $0.28/M output via deepseek.
GPT-4o supports 128K tokens and DeepSeek-V2.5 supports 8K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (128K vs 8K), input pricing ($2.50 vs $0.14/M), multimodal support (yes vs no), licensing (Proprietary vs deepseek). See the full comparison above for benchmark-by-benchmark results.
GPT-4o is developed by OpenAI and DeepSeek-V2.5 is developed by DeepSeek.