Make AI phone calls with one API call

Start for free

Model Comparison

GPT-5 vs GPT-5 mini

GPT-5 significantly outperforms across most benchmarks. GPT-5 mini is 5.0x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

GPT-5 outperforms in 5 benchmarks (AIME 2025, FrontierMath, GPQA, HMMT 2025, Humanity's Last Exam), while GPT-5 mini is better at 0 benchmarks.

GPT-5 significantly outperforms across most benchmarks.

Fri Apr 24 2026 • llm-stats.com

Arena Performance

Human preference votes

CallingBox

Done comparing? Ship the phone agent.

One API for outbound and inbound calls.

Start for freeRead the docs
$0.05 /min all-in7 lines of code

Pricing Analysis

Price comparison per million tokens

GPT-5 mini costs less

For input processing, GPT-5 ($1.25/1M tokens) is 5.0x more expensive than GPT-5 mini ($0.25/1M tokens).

For output processing, GPT-5 ($10.00/1M tokens) is 5.0x more expensive than GPT-5 mini ($2.00/1M tokens).

In conclusion, GPT-5 is more expensive than GPT-5 mini.*

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

Lowest available price from all providers
Fri Apr 24 2026 • llm-stats.com
OpenAI
GPT-5
Input tokens$1.25
Output tokens$10.00
Best providerOpenAI
OpenAI
GPT-5 mini
Input tokens$0.25
Output tokens$2.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

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
Input400,000 tokens
Output128,000 tokens
OpenAI
GPT-5 mini
Input400,000 tokens
Output128,000 tokens
Fri Apr 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5 and GPT-5 mini support multimodal inputs.

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

GPT-5

Text
Images
Audio
Video

GPT-5 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

Proprietary

Closed source

GPT-5 mini

Proprietary

Closed source

Release Timeline

When each model was launched

Both models were released on 2025-08-07.

They likely represent similar generations of model development.

GPT-5

Aug 7, 2025

8 months ago

GPT-5 mini

Aug 7, 2025

8 months ago

Knowledge Cutoff

When training data ends

GPT-5 has a knowledge cutoff of 2024-09-30, while GPT-5 mini has a cutoff of 2024-05-30.

GPT-5 has more recent training data (up to 2024-09-30), making it potentially better informed about events through that date compared to GPT-5 mini (2024-05-30).

GPT-5

Sep 2024

4 mo newer
GPT-5 mini

May 2024

Provider Availability

GPT-5 is available from OpenAI. GPT-5 mini is available from OpenAI.

GPT-5

openai logo
OpenAI
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M

GPT-5 mini

openai logo
OpenAI
Input Price:Input: $0.25/1MOutput 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
Higher AIME 2025 score (94.6% vs 91.1%)
Higher FrontierMath score (26.3% vs 22.1%)
Higher GPQA score (85.7% vs 82.3%)
Higher HMMT 2025 score (93.3% vs 87.8%)
Higher Humanity's Last Exam score (24.8% vs 16.7%)
OpenAI
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5
OpenAI
GPT-5 mini

FAQ

Common questions about GPT-5 vs GPT-5 mini

GPT-5 significantly outperforms across most benchmarks. GPT-5 is made by OpenAI and GPT-5 mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5 scores SWE-Lancer (IC-Diamond subset): 100.0%, COLLIE: 99.0%, Tau2 Telecom: 96.7%, OpenAI-MRCR: 2 needle 128k: 95.2%, AIME 2025: 94.6%. GPT-5 mini scores AIME 2025: 91.1%, HMMT 2025: 87.8%, GPQA: 82.3%, FrontierMath: 22.1%, Humanity's Last Exam: 16.7%.
GPT-5 mini is 5.0x cheaper for input tokens. GPT-5 costs $1.25/M input and $10.00/M output via openai. GPT-5 mini costs $0.25/M input and $2.00/M output via openai.
GPT-5 supports 400K tokens and GPT-5 mini supports 400K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include input pricing ($1.25 vs $0.25/M). See the full comparison above for benchmark-by-benchmark results.