Model Comparison

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

Anthropic

Claude Sonnet 4

Anthropic

Claude Sonnet 4 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 69.4% across 8 benchmarks. It excels particularly in MMMLU (86.5%), TAU-bench Retail (80.5%), GPQA (75.4%). It supports a 328K 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 2025, it represents Anthropic's latest advancement in AI technology.

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-4.5

OpenAI

2025-02-27

Anthropic

Claude Sonnet 4

Anthropic

2025-05-22

2 months newer

Pricing Comparison

Cost per million tokens (USD)

Anthropic

Claude Sonnet 4

$207.00 cheaper
Input:$3.00
Output:$15.00
OpenAI

GPT-4.5

Input:$75.00
Output:$150.00

Performance Metrics

Context window and performance specifications

Anthropic

Claude Sonnet 4

Larger context
Max Context:328.0K
OpenAI

GPT-4.5

Max Context:132.1K

Average performance across 6 common benchmarks

Anthropic

Claude Sonnet 4

+10.5%
Average Score:74.9%
OpenAI

GPT-4.5

Average Score:64.4%

Performance comparison across key benchmark categories

Anthropic

Claude Sonnet 4

vision
74.4%
agents
+11.0%
70.3%
general
+8.8%
68.1%
OpenAI

GPT-4.5

vision
+0.8%
75.2%
agents
59.2%
general
59.3%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores

Provider Availability & Performance

Available providers and their performance metrics

Anthropic

Claude Sonnet 4

3 providers

Google

Throughput: 42 tok/s
Latency: 0.4ms

Bedrock

Throughput: 101 tok/s
Latency: 0.5ms

Anthropic

Throughput: 42 tok/s
Latency: 0.4ms
OpenAI

GPT-4.5

1 providers

OpenAI

Throughput: 50 tok/s
Latency: 20ms
Anthropic

Claude Sonnet 4

+10.5%
Avg Score:74.9%
Providers:3
OpenAI

GPT-4.5

Avg Score:64.4%
Providers:1