+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Claude Sonnet 4.5 vs o1-pro
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 51.7% higher average benchmark score. Claude Sonnet 4.5 is available on 2 providers. Overall, Claude Sonnet 4.5 is the stronger choice for coding tasks.
+
+
+
+
Anthropic
Claude Sonnet 4.5 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 75.8% across 9 benchmarks. It excels particularly in MMMLU (89.1%), AIME 2025 (87.0%), TAU-bench Retail (86.2%). 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 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%). 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.
9 months newer
o1-pro
OpenAI
2024-12-17
Claude Sonnet 4.5
Anthropic
2025-09-29
Performance Metrics
Context window and performance specifications
Average performance across 10 common benchmarks
+
+
+
+
Claude Sonnet 4.5
Average Score:68.2%(+51.7%)
+
+
+
+
o1-pro
Average Score:16.5%
+
+
+
+
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
+
+
+
+
Claude Sonnet 4.5
2 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
+
+
+
+
+
+
+
+
Claude Sonnet 4.5
Avg Score:68.2%(+51.7%)
Providers:2
+
+
+
+
o1-pro
Avg Score:16.5%
Providers:0