Model Comparison

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

OpenAI

GPT-5

OpenAI

GPT-5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 70.1% across 35 benchmarks. It excels particularly in SWE-Lancer (IC-Diamond subset) (100.0%), COLLIE (99.0%), Tau2 telecom (96.7%). It supports a 528K 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 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.

xAI

Grok-3

xAI

2025-02-17

OpenAI

GPT-5

OpenAI

2025-08-07

5 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT-5

$6.75 cheaper
Input:$1.25
Output:$10.00
xAI

Grok-3

Input:$3.00
Output:$15.00

Performance Metrics

Context window and performance specifications

OpenAI

GPT-5

Larger context
Max Context:528.0K
xAI

Grok-3

Max Context:136.0K

Average performance across 3 common benchmarks

OpenAI

GPT-5

+2.9%
Average Score:88.2%
xAI

Grok-3

Average Score:85.3%

Performance comparison across key benchmark categories

OpenAI

GPT-5

code
+14.0%
93.4%
general
74.3%
vision
+1.9%
79.9%
xAI

Grok-3

code
79.4%
general
+16.1%
90.4%
vision
78.0%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

GPT-5

2024-09-30

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-5

2 providers

OpenAI

Throughput: 100 tok/s
Latency: 2ms

ZeroEval

Throughput: 100 tok/s
Latency: 2ms
xAI

Grok-3

1 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms
OpenAI

GPT-5

+2.9%
Avg Score:88.2%
Providers:2
xAI

Grok-3

Avg Score:85.3%
Providers:1