Model Comparison

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

OpenAI

GPT-4o

OpenAI

GPT-4o is a multimodal language model developed by OpenAI. The model shows competitive results across 32 benchmarks. It excels particularly in AI2D (94.2%), DocVQA (92.8%), ChartQA (85.7%). The model shows particular specialization in vision tasks with an average performance of 82.5%. It supports a 144K token context window for handling large documents. The model is available through 3 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents OpenAI's latest advancement in AI technology.

xAI

Grok-3

xAI

Grok-3 is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 85.7% across 5 benchmarks. It excels particularly in AIME 2024 (93.3%), AIME 2025 (93.3%), GPQA (84.6%). The model shows particular specialization in general tasks with an average performance of 90.4%. It supports a 136K 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 xAI's latest advancement in AI technology.

OpenAI

GPT-4o

OpenAI

2024-08-06

xAI

Grok-3

xAI

2025-02-17

6 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT-4o

$5.50 cheaper
Input:$2.50
Output:$10.00
xAI

Grok-3

Input:$3.00
Output:$15.00

Performance Metrics

Context window and performance specifications

OpenAI

GPT-4o

Larger context
Max Context:144.4K
xAI

Grok-3

Max Context:136.0K

Average performance across 3 common benchmarks

OpenAI

GPT-4o

Average Score:51.8%
xAI

Grok-3

+33.5%
Average Score:85.3%

Performance comparison across key benchmark categories

OpenAI

GPT-4o

general
52.1%
vision
+4.5%
82.5%
code
+1.6%
81.0%
xAI

Grok-3

general
+38.3%
90.4%
vision
78.0%
code
79.4%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-3

2024-11-17

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT-4o

3 providers

Azure

Throughput: 99 tok/s
Latency: 0.53ms

ZeroEval

Throughput: 99 tok/s
Latency: 0.53ms

OpenAI

Throughput: 132 tok/s
Latency: 0.5ms
xAI

Grok-3

1 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms
OpenAI

GPT-4o

Avg Score:51.8%
Providers:3
xAI

Grok-3

+33.5%
Avg Score:85.3%
Providers:1