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

o3

OpenAI

o3 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 65.3% across 19 benchmarks. It excels particularly in AIME 2024 (91.6%), ARC-AGI (88.0%), MathVista (86.8%). The model shows particular specialization in vision tasks with an average performance of 76.7%. It supports a 300K 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

o3

OpenAI

2025-04-16

Anthropic

Claude Opus 4.1

Anthropic

2025-08-05

3 months newer

Performance Metrics

Context window and performance specifications

Anthropic

Claude Opus 4.1

Max Context:-
OpenAI

o3

Larger context
Max Context:300.0K

Average performance across 3 common benchmarks

Anthropic

Claude Opus 4.1

Average Score:36.6%
OpenAI

o3

+43.0%
Average Score:79.6%

Performance comparison across key benchmark categories

Anthropic

Claude Opus 4.1

vision
64.8%
general
44.6%
agents
50.4%
OpenAI

o3

vision
+11.9%
76.7%
general
+22.9%
67.5%
agents
+12.6%
63.0%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

o3

2024-05-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

Anthropic

Claude Opus 4.1

0 providers
OpenAI

o3

1 providers

OpenAI

Throughput: 50 tok/s
Latency: 20ms
Anthropic

Claude Opus 4.1

Avg Score:36.6%
Providers:0
OpenAI

o3

+43.0%
Avg Score:79.6%
Providers:1