Model Comparison

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

GPT-3.5 Turbo

OpenAI

GPT-3.5 Turbo is a language model developed by OpenAI. The model shows competitive results across 8 benchmarks. Notable strengths include DROP (70.2%), MMLU (69.8%), HumanEval (68.0%). The model is available through 2 API providers.

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.

GPT-3.5 Turbo

OpenAI

2023-03-21

Grok-4 Heavy

xAI

2025-07-09

2 years newer

Performance Metrics

Context window and performance specifications

GPT-3.5 Turbo

Larger context

Max Context:20.5K

Grok-4 Heavy

Max Context:-

Average performance across 1 common benchmarks

GPT-3.5 Turbo

Average Score:30.8%

Grok-4 Heavy

+57.6%

Average Score:88.4%

Performance comparison across key benchmark categories

GPT-3.5 Turbo

general

56.9%

code

68.0%

Grok-4 Heavy

general

+22.6%

79.5%

code

+11.4%

79.4%

Benchmark Scores - Detailed View

Side-by-side comparison of all benchmark scores

Knowledge Cutoff

Training data recency comparison

GPT-3.5 Turbo

2021-09-30

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

GPT-3.5 Turbo

2 providers

Azure

Throughput: 90 tok/s

Latency: 0.8ms

OpenAI

Throughput: 100 tok/s

Latency: 0.5ms

Grok-4 Heavy

0 providers

GPT-3.5 Turbo

Avg Score:30.8%

Providers:2

Grok-4 Heavy

+57.6%

Avg Score:88.4%

Providers:0