Model Comparison

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

OpenAI

GPT-4.5

OpenAI

GPT-4.5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 64.1% across 26 benchmarks. It excels particularly in GSM8k (97.0%), MMLU (90.8%), CharXiv-D (90.0%). The model shows particular specialization in code tasks with an average performance of 88.1%. It supports a 132K 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 2025, it represents OpenAI's latest advancement in AI technology.

xAI

Grok-3 Mini

xAI

Grok-3 Mini is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 87.8% across 4 benchmarks. It excels particularly in AIME 2024 (95.8%), AIME 2025 (90.8%), GPQA (84.0%). The model shows particular specialization in general tasks with an average performance of 90.2%. It supports a 136K 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 2025, it represents xAI's latest advancement in AI technology.

xAI

Grok-3 Mini

xAI

2025-02-17

OpenAI

GPT-4.5

OpenAI

2025-02-27

10 days newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT-4.5

Input:$75.00
Output:$150.00
xAI

Grok-3 Mini

$224.20 cheaper
Input:$0.30
Output:$0.50

Performance Metrics

Context window and performance specifications

OpenAI

GPT-4.5

Max Context:132.1K
xAI

Grok-3 Mini

Larger context
Max Context:136.0K

Average performance across 2 common benchmarks

OpenAI

GPT-4.5

Average Score:53.1%
xAI

Grok-3 Mini

+36.8%
Average Score:89.9%

Performance comparison across key benchmark categories

OpenAI

GPT-4.5

general
59.3%
code
+7.7%
88.1%
xAI

Grok-3 Mini

general
+30.9%
90.2%
code
80.4%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-3 Mini

2024-11-17

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT-4.5

1 providers

OpenAI

Throughput: 50 tok/s
Latency: 20ms
xAI

Grok-3 Mini

1 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms
OpenAI

GPT-4.5

Avg Score:53.1%
Providers:1
xAI

Grok-3 Mini

+36.8%
Avg Score:89.9%
Providers:1