Model Comparison

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

Anthropic

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.

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

Anthropic

2025-05-22

3 months newer

Pricing Comparison

Cost per million tokens (USD)

Anthropic

Claude Opus 4

Input:$15.00
Output:$75.00
xAI

Grok-3

$72.00 cheaper
Input:$3.00
Output:$15.00

Performance Metrics

Context window and performance specifications

Anthropic

Claude Opus 4

Larger context
Max Context:328.0K
xAI

Grok-3

Max Context:136.0K

Average performance across 2 common benchmarks

Anthropic

Claude Opus 4

Average Score:77.6%
xAI

Grok-3

+11.4%
Average Score:88.9%

Performance comparison across key benchmark categories

Anthropic

Claude Opus 4

general
71.1%
vision
76.5%
xAI

Grok-3

general
+19.3%
90.4%
vision
+1.5%
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

3 providers

Google

Throughput: 42 tok/s
Latency: 0.4ms

Bedrock

Throughput: 120 tok/s
Latency: 0.5ms

Anthropic

Throughput: 100 tok/s
Latency: 0.5ms
xAI

Grok-3

1 providers

xAI

Throughput: 100 tok/s
Latency: 0.7ms
Anthropic

Claude Opus 4

Avg Score:77.6%
Providers:3
xAI

Grok-3

+11.4%
Avg Score:88.9%
Providers:1