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

Claude 3 Opus
Anthropic
Claude 3 Opus is a multimodal language model developed by Anthropic. This model demonstrates exceptional performance with an average score of 81.6% across 11 benchmarks. It excels particularly in ARC-C (96.4%), HellaSwag (95.4%), GSM8k (95.0%). The model shows particular specialization in reasoning tasks with an average performance of 95.9%. It supports a 400K 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 2024, it represents Anthropic's latest advancement in AI technology.

Grok-4
xAI
Grok-4 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 63.1% across 7 benchmarks. It excels particularly in AIME 2025 (91.7%), HMMT25 (90.0%), GPQA (87.5%). 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 xAI's latest advancement in AI technology.

Claude 3 Opus
Anthropic
2024-02-29

Grok-4
xAI
2025-07-09
1 year newer
Pricing Comparison
Cost per million tokens (USD)

Claude 3 Opus

Grok-4
Performance Metrics
Context window and performance specifications

Claude 3 Opus

Grok-4
Average performance across 1 common benchmarks

Claude 3 Opus

Grok-4
Performance comparison across key benchmark categories

Claude 3 Opus

Grok-4
Grok-4
2024-12-31
Provider Availability & Performance
Available providers and their performance metrics

Claude 3 Opus
Bedrock
Anthropic

Grok-4
xAI
ZeroEval

Claude 3 Opus

Grok-4