Model Comparison

Comprehensive side-by-side analysis of model capabilities and performance

OpenAI

GPT-4o mini

OpenAI

GPT-4o mini is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.5% across 9 benchmarks. It excels particularly in HumanEval (87.2%), MGSM (87.0%), MMLU (82.0%). It supports a 144K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents OpenAI's latest advancement in AI technology.

xAI

Grok-4

xAI

Grok-4 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 63.1% across 7 benchmarks. It excels particularly in AIME 2025 (91.7%), HMMT25 (90.0%), GPQA (87.5%). It supports a 264K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.

OpenAI

GPT-4o mini

OpenAI

2024-07-18

xAI

Grok-4

xAI

2025-07-09

11 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT-4o mini

$17.25 cheaper
Input:$0.15
Output:$0.60
xAI

Grok-4

Input:$3.00
Output:$15.00

Performance Metrics

Context window and performance specifications

OpenAI

GPT-4o mini

Max Context:144.4K
xAI

Grok-4

Larger context
Max Context:264.0K

Average performance across 1 common benchmarks

OpenAI

GPT-4o mini

Average Score:40.2%
xAI

Grok-4

+47.3%
Average Score:87.5%

Performance comparison across key benchmark categories

OpenAI

GPT-4o mini

code
+8.2%
87.2%
general
52.7%
xAI

Grok-4

code
79.0%
general
+16.7%
69.3%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

GPT-4o mini

2023-10-01

Grok-4

2024-12-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT-4o mini

1 providers

Azure

Throughput: 92 tok/s
Latency: 0.52ms
xAI

Grok-4

2 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms

ZeroEval

Throughput: 100 tok/s
Latency: 0.7ms
OpenAI

GPT-4o mini

Avg Score:40.2%
Providers:1
xAI

Grok-4

+47.3%
Avg Score:87.5%
Providers:2