GPT-5.2 vs GPT-5.4 mini Comparison

Comparing GPT-5.2 and GPT-5.4 mini across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

GPT-5.2 outperforms in 8 benchmarks (GPQA, Graphwalks BFS <128k, Graphwalks parents <128k, Humanity's Last Exam, MCP Atlas, MMMU-Pro, Tau2 Telecom, Toolathlon), while GPT-5.4 mini is better at 0 benchmarks.

GPT-5.2 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-5.2 ($1.75/1M tokens) is 2.3x more expensive than GPT-5.4 mini ($0.75/1M tokens).

For output processing, GPT-5.2 ($14.00/1M tokens) is 3.1x more expensive than GPT-5.4 mini ($4.50/1M tokens).

In conclusion, GPT-5.2 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-5.2
Input tokens$1.75
Output tokens$14.00
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

Both models have the same input context window of 400,000 tokens. Both models can generate responses up to 128,000 tokens.

OpenAI
GPT-5.2
Input400,000 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-5.2 and GPT-5.4 mini support multimodal inputs.

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

GPT-5.2

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-5.2

Proprietary

Closed source

GPT-5.4 mini

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.2 was released on 2025-12-11, while GPT-5.4 mini was released on 2026-03-17.

GPT-5.4 mini is 3 months newer than GPT-5.2.

GPT-5.2

Dec 11, 2025

3 months ago

GPT-5.4 mini

Mar 17, 2026

1 days ago

3mo newer

Knowledge Cutoff

When training data ends

GPT-5.2 has a knowledge cutoff of 2025-08-25, while GPT-5.4 mini has a cutoff of 2025-08-31.

GPT-5.4 mini has more recent training data (up to 2025-08-31), making it potentially better informed about events through that date compared to GPT-5.2 (2025-08-25).

GPT-5.2

Aug 2025

GPT-5.4 mini

Aug 2025

Provider Availability

GPT-5.2 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-5.2

openai logo
OpenAI
Input Price:Input: $1.75/1MOutput Price:Output: $14.00/1M

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
Higher GPQA score (92.4% vs 88.0%)
Higher Graphwalks BFS <128k score (94.0% vs 76.3%)
Higher Graphwalks parents <128k score (89.0% vs 71.5%)
Higher Humanity's Last Exam score (34.5% vs 28.2%)
Higher MCP Atlas score (60.6% vs 57.7%)
Higher MMMU-Pro score (79.5% vs 76.6%)
Higher Tau2 Telecom score (98.7% vs 93.4%)
Higher Toolathlon score (46.3% vs 42.9%)
OpenAI
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.2
OpenAI
GPT-5.4 mini