Model Comparison

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

Anthropic

Claude Opus 4.1

Anthropic

Claude Opus 4.1 is a multimodal language model developed by Anthropic. The model shows competitive results across 8 benchmarks. It excels particularly in MMMLU (98.4%), AIME 2025 (80.2%), MMMU (validation) (64.8%). 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 Opus 4.1

Anthropic

2025-08-05

5 months newer

Performance Metrics

Context window and performance specifications

Anthropic

Claude Opus 4.1

Max Context:-
OpenAI

GPT-4.5

Larger context
Max Context:132.1K

Average performance across 5 common benchmarks

Anthropic

Claude Opus 4.1

Average Score:45.7%
OpenAI

GPT-4.5

+16.5%
Average Score:62.2%

Performance comparison across key benchmark categories

Anthropic

Claude Opus 4.1

vision
64.8%
general
44.6%
agents
50.4%
OpenAI

GPT-4.5

vision
+10.4%
75.2%
general
+14.7%
59.3%
agents
+8.9%
59.2%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores

Provider Availability & Performance

Available providers and their performance metrics

Anthropic

Claude Opus 4.1

0 providers
OpenAI

GPT-4.5

1 providers

OpenAI

Throughput: 50 tok/s
Latency: 20ms
Anthropic

Claude Opus 4.1

Avg Score:45.7%
Providers:0
OpenAI

GPT-4.5

+16.5%
Avg Score:62.2%
Providers:1