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-1.5

xAI

Grok-1.5 is a language model developed by xAI. It achieves strong performance with an average score of 63.9% across 9 benchmarks. It excels particularly in GSM8k (90.0%), DocVQA (85.6%), MMLU (81.3%). Released in 2024, it represents xAI's latest advancement in AI technology.

xAI

Grok-1.5

xAI

2024-03-28

OpenAI

GPT-5

OpenAI

2025-08-07

1 year newer

Performance Metrics

Context window and performance specifications

OpenAI

GPT-5

Larger context
Max Context:528.0K
xAI

Grok-1.5

Max Context:-

Average performance across 5 common benchmarks

OpenAI

GPT-5

+29.0%
Average Score:88.1%
xAI

Grok-1.5

Average Score:59.1%

Performance comparison across key benchmark categories

OpenAI

GPT-5

code
+19.3%
93.4%
vision
+10.3%
79.9%
general
+18.2%
74.3%
math
55.5%
xAI

Grok-1.5

code
74.1%
vision
69.6%
general
56.1%
math
+9.0%
64.5%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

GPT-5

2024-09-30

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-1.5

0 providers
OpenAI

GPT-5

+29.0%
Avg Score:88.1%
Providers:2
xAI

Grok-1.5

Avg Score:59.1%
Providers:0