Model Comparison

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

Anthropic

Claude Sonnet 4.5

Anthropic

Claude Sonnet 4.5 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 78.0% across 10 benchmarks. It excels particularly in Tau2 Telecom (98.0%), MMMLU (89.1%), AIME 2025 (87.0%). It supports a 264K 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 Anthropic's latest advancement in AI technology.

OpenAI

o1-pro

OpenAI

o1-pro is a multimodal language model developed by OpenAI. This model demonstrates exceptional performance with an average score of 82.5% across 2 benchmarks. It excels particularly in AIME 2024 (86.0%), GPQA (79.0%). The model shows particular specialization in general tasks with an average performance of 82.5%. 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.

OpenAI

o1-pro

OpenAI

2024-12-17

Anthropic

Claude Sonnet 4.5

Anthropic

2025-09-29

9 months newer

Performance Metrics

Context window and performance specifications

Anthropic

Claude Sonnet 4.5

Larger context
Max Context:264.0K
OpenAI

o1-pro

Max Context:-

Average performance across 11 common benchmarks

Anthropic

Claude Sonnet 4.5

+55.9%
Average Score:70.9%
OpenAI

o1-pro

Average Score:15.0%

Performance comparison across key benchmark categories

Anthropic

Claude Sonnet 4.5

general
78.0%
OpenAI

o1-pro

general
+4.5%
82.5%
Knowledge Cutoff
Training data recency comparison

o1-pro

2023-09-30

Claude Sonnet 4.5

2025-01-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

Anthropic

Claude Sonnet 4.5

2 providers

Anthropic

Throughput: 42 tok/s
Latency: 0.4ms

ZeroEval

Throughput: 42 tok/s
Latency: 0.4ms
OpenAI

o1-pro

0 providers
Anthropic

Claude Sonnet 4.5

+55.9%
Avg Score:70.9%
Providers:2
OpenAI

o1-pro

Avg Score:15.0%
Providers:0