Model Comparison

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

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.

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.

xAI

Grok-4

xAI

2025-07-09

xAI

Grok-4 Heavy

xAI

2025-07-09

0 days newer

Performance Metrics

Context window and performance specifications

xAI

Grok-4

Larger context
Max Context:264.0K
xAI

Grok-4 Heavy

Max Context:-

Average performance across 6 common benchmarks

xAI

Grok-4

Average Score:70.9%
xAI

Grok-4 Heavy

+8.6%
Average Score:79.5%

Performance comparison across key benchmark categories

xAI

Grok-4

general
69.3%
code
79.0%
xAI

Grok-4 Heavy

general
+10.2%
79.5%
code
+0.4%
79.4%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-4

2024-12-31

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

2 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms

ZeroEval

Throughput: 100 tok/s
Latency: 0.7ms
xAI

Grok-4 Heavy

0 providers
xAI

Grok-4

Avg Score:70.9%
Providers:2
xAI

Grok-4 Heavy

+8.6%
Avg Score:79.5%
Providers:0