Model Comparison

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

xAI

Grok-4 Heavy

xAI

Grok-4 Heavy is a multimodal language model developed by xAI. It achieves strong performance with an average score of 79.5% across 6 benchmarks. It excels particularly in AIME 2025 (100.0%), HMMT25 (96.7%), GPQA (88.4%). The model shows particular specialization in general tasks with an average performance of 79.5%. 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

o1

OpenAI

o1 is a language model developed by OpenAI. It achieves strong performance with an average score of 71.6% across 19 benchmarks. It excels particularly in GSM8k (97.1%), MATH (96.4%), GPQA Physics (92.8%). It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.

OpenAI

o1

OpenAI

2024-12-17

xAI

Grok-4 Heavy

xAI

2025-07-09

6 months newer

Performance Metrics

Context window and performance specifications

xAI

Grok-4 Heavy

Max Context:-
OpenAI

o1

Larger context
Max Context:300.0K

Average performance across 1 common benchmarks

xAI

Grok-4 Heavy

+10.4%
Average Score:88.4%
OpenAI

o1

Average Score:78.0%

Performance comparison across key benchmark categories

xAI

Grok-4 Heavy

code
79.4%
general
+7.7%
79.5%
OpenAI

o1

code
+8.7%
88.1%
general
71.8%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-4 Heavy

2024-12-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

xAI

Grok-4 Heavy

0 providers
OpenAI

o1

2 providers

Azure

Throughput: 16 tok/s
Latency: 0.54ms

OpenAI

Throughput: 66 tok/s
Latency: 16.2ms
xAI

Grok-4 Heavy

+10.4%
Avg Score:88.4%
Providers:0
OpenAI

o1

Avg Score:78.0%
Providers:2