Model Comparison

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

OpenAI

GPT-4.5

OpenAI

GPT-4.5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 64.1% across 26 benchmarks. It excels particularly in GSM8k (97.0%), MMLU (90.8%), CharXiv-D (90.0%). The model shows particular specialization in code tasks with an average performance of 88.1%. It supports a 132K 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 OpenAI's latest advancement in AI technology.

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.

OpenAI

GPT-4.5

OpenAI

2025-02-27

OpenAI

GPT-5

OpenAI

2025-08-07

5 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT-4.5

Input:$75.00
Output:$150.00
OpenAI

GPT-5

$213.75 cheaper
Input:$1.25
Output:$10.00

Performance Metrics

Context window and performance specifications

OpenAI

GPT-4.5

Max Context:132.1K
OpenAI

GPT-5

Larger context
Max Context:528.0K

Average performance across 12 common benchmarks

OpenAI

GPT-4.5

Average Score:63.0%
OpenAI

GPT-5

+20.0%
Average Score:83.0%

Performance comparison across key benchmark categories

OpenAI

GPT-4.5

code
88.1%
math
+29.2%
84.7%
vision
75.2%
general
59.3%
OpenAI

GPT-5

code
+5.3%
93.4%
math
55.5%
vision
+4.7%
79.9%
general
+15.0%
74.3%
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-4.5

1 providers

OpenAI

Throughput: 50 tok/s
Latency: 20ms
OpenAI

GPT-5

2 providers

OpenAI

Throughput: 100 tok/s
Latency: 2ms

ZeroEval

Throughput: 100 tok/s
Latency: 2ms
OpenAI

GPT-4.5

Avg Score:63.0%
Providers:1
OpenAI

GPT-5

+20.0%
Avg Score:83.0%
Providers:2