Model Comparison

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

OpenAI

GPT-4.1

OpenAI

GPT-4.1 is a multimodal language model developed by OpenAI. The model shows competitive results across 30 benchmarks. It excels particularly in MMLU (90.2%), CharXiv-D (87.9%), IFEval (87.4%). With a 1.1M token context window, it can handle extensive documents and complex multi-turn conversations. 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-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

GPT-4.1

OpenAI

2025-04-14

xAI

Grok-4 Heavy

xAI

2025-07-09

2 months newer

Performance Metrics

Context window and performance specifications

OpenAI

GPT-4.1

Larger context
Max Context:1.1M
xAI

Grok-4 Heavy

Max Context:-

Average performance across 3 common benchmarks

OpenAI

GPT-4.1

Average Score:39.4%
xAI

Grok-4 Heavy

+40.3%
Average Score:79.7%

Performance comparison across key benchmark categories

OpenAI

GPT-4.1

code
+8.0%
87.4%
general
53.4%
xAI

Grok-4 Heavy

code
79.4%
general
+26.1%
79.5%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

GPT-4.1

2024-06-01

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

OpenAI

GPT-4.1

1 providers

OpenAI

Throughput: 100 tok/s
Latency: 10ms
xAI

Grok-4 Heavy

0 providers
OpenAI

GPT-4.1

Avg Score:39.4%
Providers:1
xAI

Grok-4 Heavy

+40.3%
Avg Score:79.7%
Providers:0