Comprehensive side-by-side LLM comparison
Claude 3 Opus leads with 39.1% higher average benchmark score. Claude 3 Opus offers 264.0K more tokens in context window than Grok-3 Mini. Grok-3 Mini is $89.20 cheaper per million tokens. Claude 3 Opus is available on 3 providers. Overall, Claude 3 Opus is the stronger choice for coding tasks.
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%). 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.
xAI
Grok-3 Mini is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 87.8% across 4 benchmarks. It excels particularly in AIME 2024 (95.8%), AIME 2025 (90.8%), GPQA (84.0%). 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.
11 months newer
Claude 3 Opus
Anthropic
2024-02-29
Grok-3 Mini
xAI
2025-02-17
Cost per million tokens (USD)
Claude 3 Opus
Grok-3 Mini
Context window and performance specifications
Average performance across 14 common benchmarks
Claude 3 Opus
Grok-3 Mini
Grok-3 Mini
2024-11-17
Available providers and their performance metrics
Claude 3 Opus
Anthropic
Bedrock
Claude 3 Opus
Grok-3 Mini
Claude 3 Opus
Grok-3 Mini
Grok-3 Mini
xAI