Model Comparison

GPT-5.4 vs DeepSeek-V3 0324Which is better in 2026?

GPT-5.4 significantly outperforms across most benchmarks. DeepSeek-V3 0324 is 11.4x cheaper per token.

Verdict: GPT-5.4 vs DeepSeek-V3 0324 — which is better?

GPT-5.4 (by OpenAI) and DeepSeek-V3 0324 (by DeepSeek) 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.

GPT-5.4 outperforms in 1 benchmarks (GPQA), while DeepSeek-V3 0324 is better at 0 benchmarks. GPT-5.4 significantly outperforms across most benchmarks.

On price, DeepSeek-V3 0324 is roughly 11.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-5.4 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose GPT-5.4 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Mar 2026

Choose DeepSeek-V3 0324 if…

  • cost matters — it's about 11.4x cheaper per token
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-5.4 outperforms in 1 benchmarks (GPQA), while DeepSeek-V3 0324 is better at 0 benchmarks.

GPT-5.4 significantly outperforms across most benchmarks.

Sat Jun 06 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V3 0324 costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 8.9x more expensive than DeepSeek-V3 0324 ($0.28/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 13.2x more expensive than DeepSeek-V3 0324 ($1.14/1M tokens).

In conclusion, GPT-5.4 is more expensive than DeepSeek-V3 0324.*

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

Lowest available price from all providers
Sat Jun 06 2026 • llm-stats.com
OpenAI
GPT-5.4
Input tokens$2.50
Output tokens$15.00
Best providerOpenAI
DeepSeek
DeepSeek-V3 0324
Input tokens$0.28
Output tokens$1.14
Best providerNovita
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

GPT-5.4 accepts 1,000,000 input tokens compared to DeepSeek-V3 0324's 163,840 tokens. DeepSeek-V3 0324 can generate longer responses up to 163,840 tokens, while GPT-5.4 is limited to 128,000 tokens.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
DeepSeek
DeepSeek-V3 0324
Input163,840 tokens
Output163,840 tokens
Sat Jun 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.4 supports multimodal inputs, whereas DeepSeek-V3 0324 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-V3 0324

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.4 is licensed under a proprietary license, while DeepSeek-V3 0324 uses MIT + Model License (Commercial use allowed).

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

GPT-5.4

Proprietary

Closed source

DeepSeek-V3 0324

MIT + Model License (Commercial use allowed)

Open weights

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while DeepSeek-V3 0324 was released on 2025-03-25.

GPT-5.4 is 12 months newer than DeepSeek-V3 0324.

GPT-5.4

Mar 5, 2026

3 months ago

11mo newer
DeepSeek-V3 0324

Mar 25, 2025

1.2 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-5.4 is available from OpenAI. DeepSeek-V3 0324 is available from Novita.

GPT-5.4

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

DeepSeek-V3 0324

novita logo
Novita
Input Price:Input: $0.28/1MOutput Price:Output: $1.14/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Larger context window (1,000,000 tokens)
Supports multimodal inputs
Higher GPQA score (92.8% vs 68.4%)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
DeepSeek
DeepSeek-V3 0324

FAQ

Common questions about GPT-5.4 vs DeepSeek-V3 0324.

Which is better, GPT-5.4 or DeepSeek-V3 0324?

GPT-5.4 significantly outperforms across most benchmarks. GPT-5.4 is made by OpenAI and DeepSeek-V3 0324 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-V3 0324 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-V3 0324 scores MATH-500: 94.0%, MMLU-Pro: 81.2%, GPQA: 68.4%, AIME 2024: 59.4%, LiveCodeBench: 49.2%.

Is GPT-5.4 cheaper than DeepSeek-V3 0324?

DeepSeek-V3 0324 is 8.9x cheaper for input tokens. GPT-5.4 costs $2.50/M input and $15.00/M output via openai. DeepSeek-V3 0324 costs $0.28/M input and $1.14/M output via novita.

What are the context window sizes for GPT-5.4 and DeepSeek-V3 0324?

GPT-5.4 supports 1.0M tokens and DeepSeek-V3 0324 supports 164K 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-V3 0324?

Key differences include context window (1.0M vs 164K), input pricing ($2.50 vs $0.28/M), multimodal support (yes vs no), licensing (Proprietary vs MIT + Model License (Commercial use allowed)). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.4 and DeepSeek-V3 0324?

GPT-5.4 is developed by OpenAI and DeepSeek-V3 0324 is developed by DeepSeek.