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.

xAI

Grok-1.5V

xAI

Grok-1.5V is a multimodal language model developed by xAI. It achieves strong performance with an average score of 71.9% across 7 benchmarks. It excels particularly in AI2D (88.3%), DocVQA (85.6%), TextVQA (78.1%). The model shows particular specialization in general tasks with an average performance of 77.7%. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents xAI's latest advancement in AI technology.

xAI

Grok-1.5V

xAI

2024-04-12

Anthropic

Claude Sonnet 4.5

Anthropic

2025-09-29

1 year newer

Performance Metrics

Context window and performance specifications

Anthropic

Claude Sonnet 4.5

Larger context
Max Context:264.0K
xAI

Grok-1.5V

Max Context:-

Average performance across 17 common benchmarks

Anthropic

Claude Sonnet 4.5

+16.3%
Average Score:45.9%
xAI

Grok-1.5V

Average Score:29.6%

Performance comparison across key benchmark categories

Anthropic

Claude Sonnet 4.5

math
+34.2%
87.0%
general
+0.3%
78.0%
vision
+5.4%
77.8%
xAI

Grok-1.5V

math
52.8%
general
77.7%
vision
72.4%
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
xAI

Grok-1.5V

0 providers
Anthropic

Claude Sonnet 4.5

+16.3%
Avg Score:45.9%
Providers:2
xAI

Grok-1.5V

Avg Score:29.6%
Providers:0