Model Comparison

GPT-5.4 vs DeepSeek-V4-Pro-Max

GPT-5.4 has a slight edge in benchmark performance. DeepSeek-V4-Pro-Max is 2.6x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

7 benchmarks

GPT-5.4 outperforms in 4 benchmarks (GPQA, SWE-Bench Pro, Terminal-Bench 2.0, Toolathlon), while DeepSeek-V4-Pro-Max is better at 3 benchmarks (BrowseComp, Humanity's Last Exam, MCP Atlas).

GPT-5.4 has a slight edge in benchmark performance.

Wed May 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V4-Pro-Max costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 1.4x more expensive than DeepSeek-V4-Pro-Max ($1.74/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 4.3x more expensive than DeepSeek-V4-Pro-Max ($3.48/1M tokens).

In conclusion, GPT-5.4 is more expensive than DeepSeek-V4-Pro-Max.*

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

Lowest available price from all providers
Wed May 13 2026 • llm-stats.com
OpenAI
GPT-5.4
Input tokens$2.50
Output tokens$15.00
Best providerOpenAI
DeepSeek
DeepSeek-V4-Pro-Max
Input tokens$1.74
Output tokens$3.48
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

DeepSeek-V4-Pro-Max accepts 1,048,576 input tokens compared to GPT-5.4's 1,000,000 tokens. GPT-5.4 can generate longer responses up to 128,000 tokens, while DeepSeek-V4-Pro-Max is limited to 65,536 tokens.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
DeepSeek
DeepSeek-V4-Pro-Max
Input1,048,576 tokens
Output65,536 tokens
Wed May 13 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.4 supports multimodal inputs, whereas DeepSeek-V4-Pro-Max does not.

GPT-5.4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5.4

Text
Images
Audio
Video

DeepSeek-V4-Pro-Max

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.4 is licensed under a proprietary license, while DeepSeek-V4-Pro-Max uses MIT.

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

GPT-5.4

Proprietary

Closed source

DeepSeek-V4-Pro-Max

MIT

Open weights

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while DeepSeek-V4-Pro-Max was released on 2026-04-23.

DeepSeek-V4-Pro-Max is 2 months newer than GPT-5.4.

GPT-5.4

Mar 5, 2026

2 months ago

DeepSeek-V4-Pro-Max

Apr 23, 2026

2 weeks ago

1mo 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

GPT-5.4 is available from OpenAI. DeepSeek-V4-Pro-Max is available from DeepInfra, DeepSeek.

GPT-5.4

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

DeepSeek-V4-Pro-Max

deepinfra logo
Deepinfra
Input Price:Input: $1.74/1MOutput Price:Output: $3.48/1M
deepseek logo
DeepSeek
Input Price:Input: $1.74/1MOutput Price:Output: $3.48/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Supports multimodal inputs
Higher GPQA score (92.8% vs 90.1%)
Higher SWE-Bench Pro score (57.7% vs 55.4%)
Higher Terminal-Bench 2.0 score (75.1% vs 67.9%)
Higher Toolathlon score (54.6% vs 51.8%)
DeepSeek
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher BrowseComp score (83.4% vs 82.7%)
Higher Humanity's Last Exam score (48.2% vs 39.8%)
Higher MCP Atlas score (73.6% vs 67.2%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
DeepSeek
DeepSeek-V4-Pro-Max

FAQ

Common questions about GPT-5.4 vs DeepSeek-V4-Pro-Max.

Which is better, GPT-5.4 or DeepSeek-V4-Pro-Max?

GPT-5.4 has a slight edge in benchmark performance. GPT-5.4 is made by OpenAI and DeepSeek-V4-Pro-Max is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-5.4 compare to DeepSeek-V4-Pro-Max 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-V4-Pro-Max scores CodeForces: 100.0%, HMMT Feb 26: 95.2%, LiveCodeBench: 93.5%, MathArena Apex: 90.2%, GPQA: 90.1%.

Is GPT-5.4 cheaper than DeepSeek-V4-Pro-Max?

DeepSeek-V4-Pro-Max is 1.4x cheaper for input tokens. GPT-5.4 costs $2.50/M input and $15.00/M output via openai. DeepSeek-V4-Pro-Max costs $1.74/M input and $3.48/M output via deepinfra.

What are the context window sizes for GPT-5.4 and DeepSeek-V4-Pro-Max?

GPT-5.4 supports 1.0M tokens and DeepSeek-V4-Pro-Max supports 1.0M 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-V4-Pro-Max?

Key differences include context window (1.0M vs 1.0M), input pricing ($2.50 vs $1.74/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.4 and DeepSeek-V4-Pro-Max?

GPT-5.4 is developed by OpenAI and DeepSeek-V4-Pro-Max is developed by DeepSeek.