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-1.5

xAI

Grok-1.5 is a language model developed by xAI. It achieves strong performance with an average score of 63.9% across 9 benchmarks. It excels particularly in GSM8k (90.0%), DocVQA (85.6%), MMLU (81.3%). Released in 2024, it represents xAI's latest advancement in AI technology.

xAI

Grok-1.5

xAI

2024-03-28

OpenAI

GPT-4.5

OpenAI

2025-02-27

11 months newer

Performance Metrics

Context window and performance specifications

OpenAI

GPT-4.5

Larger context
Max Context:132.1K
xAI

Grok-1.5

Max Context:-

Average performance across 6 common benchmarks

OpenAI

GPT-4.5

+17.5%
Average Score:82.1%
xAI

Grok-1.5

Average Score:64.6%

Performance comparison across key benchmark categories

OpenAI

GPT-4.5

code
+14.0%
88.1%
math
+20.2%
84.7%
vision
+5.6%
75.2%
general
+3.2%
59.3%
xAI

Grok-1.5

code
74.1%
math
64.5%
vision
69.6%
general
56.1%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT-4.5

1 providers

OpenAI

Throughput: 50 tok/s
Latency: 20ms
xAI

Grok-1.5

0 providers
OpenAI

GPT-4.5

+17.5%
Avg Score:82.1%
Providers:1
xAI

Grok-1.5

Avg Score:64.6%
Providers:0