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

Claude Opus 4
Anthropic
Claude Opus 4 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 64.6% across 9 benchmarks. It excels particularly in MMMLU (88.8%), TAU-bench Retail (81.4%), GPQA (79.6%). It supports a 328K token context window for handling large documents. The model is available through 3 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.

Grok-2
xAI
Grok-2 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 76.5% across 8 benchmarks. It excels particularly in DocVQA (93.6%), HumanEval (88.4%), MMLU (87.5%). 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 2024, it represents xAI's latest advancement in AI technology.

Grok-2
xAI
2024-08-13

Claude Opus 4
Anthropic
2025-05-22
9 months newer
Pricing Comparison
Cost per million tokens (USD)

Claude Opus 4

Grok-2
Performance Metrics
Context window and performance specifications

Claude Opus 4

Grok-2
Average performance across 1 common benchmarks

Claude Opus 4

Grok-2
Performance comparison across key benchmark categories

Claude Opus 4

Grok-2
Provider Availability & Performance
Available providers and their performance metrics

Claude Opus 4
Bedrock
Anthropic

Grok-2
xAI

Claude Opus 4

Grok-2