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.

xAI

Grok-3

xAI

Grok-3 is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 85.7% across 5 benchmarks. It excels particularly in AIME 2024 (93.3%), AIME 2025 (93.3%), GPQA (84.6%). The model shows particular specialization in general tasks with an average performance of 90.4%. It supports a 136K 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 xAI's latest advancement in AI technology.

xAI

Grok-3

xAI

2025-02-17

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:-
xAI

Grok-3

Larger context
Max Context:136.0K

Average performance across 2 common benchmarks

Anthropic

Claude Opus 4.1

Average Score:42.8%
xAI

Grok-3

+46.2%
Average Score:88.9%

Performance comparison across key benchmark categories

Anthropic

Claude Opus 4.1

general
44.6%
vision
64.8%
xAI

Grok-3

general
+45.8%
90.4%
vision
+13.2%
78.0%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-3

2024-11-17

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
xAI

Grok-3

1 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms
Anthropic

Claude Opus 4.1

Avg Score:42.8%
Providers:0
xAI

Grok-3

+46.2%
Avg Score:88.9%
Providers:1