GPT-5.4 vs GPT-5.4 mini Comparison

Comparing GPT-5.4 and GPT-5.4 mini across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

12 benchmarks

GPT-5.4 outperforms in 12 benchmarks (GPQA, Graphwalks BFS <128k, Graphwalks parents <128k, Humanity's Last Exam, MCP Atlas, MMMU-Pro, OmniDocBench 1.5, OSWorld-Verified, SWE-Bench Pro, Tau2 Telecom, Terminal-Bench 2.0, Toolathlon), while GPT-5.4 mini is better at 0 benchmarks.

GPT-5.4 significantly outperforms across most benchmarks.

Wed Mar 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-5.4 mini costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 3.3x more expensive than GPT-5.4 mini ($0.75/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 3.3x more expensive than GPT-5.4 mini ($4.50/1M tokens).

In conclusion, GPT-5.4 is more expensive than GPT-5.4 mini.*

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

Lowest available price from all providers
Wed Mar 18 2026 • llm-stats.com
OpenAI
GPT-5.4
Input tokens$2.50
Output tokens$15.00
Best providerOpenAI
OpenAI
GPT-5.4 mini
Input tokens$0.75
Output tokens$4.50
Best providerOpenAI
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Context Window

Maximum input and output token capacity

GPT-5.4 accepts 1,000,000 input tokens compared to GPT-5.4 mini's 400,000 tokens. Both models can generate responses up to 128,000 tokens.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
OpenAI
GPT-5.4 mini
Input400,000 tokens
Output128,000 tokens
Wed Mar 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.4 and GPT-5.4 mini support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-5.4

Text
Images
Audio
Video

GPT-5.4 mini

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-5.4

Proprietary

Closed source

GPT-5.4 mini

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while GPT-5.4 mini was released on 2026-03-17.

GPT-5.4 mini is 0 month newer than GPT-5.4.

GPT-5.4

Mar 5, 2026

1 weeks ago

GPT-5.4 mini

Mar 17, 2026

1 days ago

1w newer

Knowledge Cutoff

When training data ends

GPT-5.4 mini has a documented knowledge cutoff of 2025-08-31, while GPT-5.4's cutoff date is not specified.

We can confirm GPT-5.4 mini's training data extends to 2025-08-31, but cannot make a direct comparison without GPT-5.4's cutoff date.

GPT-5.4

—

GPT-5.4 mini

Aug 2025

Provider Availability

GPT-5.4 is available from OpenAI. GPT-5.4 mini is available from OpenAI. The availability of providers can affect quality of the model and reliability.

GPT-5.4

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

GPT-5.4 mini

openai logo
OpenAI
Input Price:Input: $0.75/1MOutput Price:Output: $4.50/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (1,000,000 tokens)
Higher GPQA score (92.8% vs 88.0%)
Higher Graphwalks BFS <128k score (93.0% vs 76.3%)
Higher Graphwalks parents <128k score (89.8% vs 71.5%)
Higher Humanity's Last Exam score (39.8% vs 28.2%)
Higher MCP Atlas score (67.2% vs 57.7%)
Higher MMMU-Pro score (81.2% vs 76.6%)
Higher OmniDocBench 1.5 score (89.1% vs 87.4%)
Higher OSWorld-Verified score (75.0% vs 72.1%)
Higher SWE-Bench Pro score (57.7% vs 54.4%)
Higher Tau2 Telecom score (98.9% vs 93.4%)
Higher Terminal-Bench 2.0 score (75.1% vs 60.0%)
Higher Toolathlon score (54.6% vs 42.9%)
OpenAI
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
OpenAI
GPT-5.4 mini