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

OpenAI

o1 is a language model developed by OpenAI. It achieves strong performance with an average score of 71.6% across 19 benchmarks. It excels particularly in GSM8k (97.1%), MATH (96.4%), GPQA Physics (92.8%). It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2024, it represents OpenAI's latest advancement in AI technology.

OpenAI

o1

OpenAI

2024-12-17

Anthropic

Claude Sonnet 4.5

Anthropic

2025-09-29

9 months newer

Pricing Comparison

Cost per million tokens (USD)

Anthropic

Claude Sonnet 4.5

$57.00 cheaper
Input:$3.00
Output:$15.00
OpenAI

o1

Input:$15.00
Output:$60.00

Performance Metrics

Context window and performance specifications

Anthropic

Claude Sonnet 4.5

Max Context:264.0K
OpenAI

o1

Larger context
Max Context:300.0K

Average performance across 26 common benchmarks

Anthropic

Claude Sonnet 4.5

Average Score:30.0%
OpenAI

o1

+22.3%
Average Score:52.3%

Performance comparison across key benchmark categories

Anthropic

Claude Sonnet 4.5

code
50.0%
math
+15.0%
87.0%
agents
+22.4%
82.8%
general
+3.9%
78.0%
vision
+0.2%
77.8%
OpenAI

o1

code
+38.1%
88.1%
math
72.0%
agents
60.4%
general
74.1%
vision
77.6%
Knowledge Cutoff
Training data recency comparison

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

2 providers

Azure

Throughput: 16 tok/s
Latency: 0.54ms

OpenAI

Throughput: 66 tok/s
Latency: 16.2ms
Anthropic

Claude Sonnet 4.5

Avg Score:30.0%
Providers:2
OpenAI

o1

+22.3%
Avg Score:52.3%
Providers:2