Model Comparison

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

Anthropic

Claude 3.7 Sonnet

Anthropic

Claude 3.7 Sonnet is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 74.1% across 11 benchmarks. It excels particularly in MATH-500 (96.2%), IFEval (93.2%), MMMLU (86.1%). It supports a 328K token context window for handling large documents. The model is available through 4 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-4 Heavy

xAI

Grok-4 Heavy is a multimodal language model developed by xAI. It achieves strong performance with an average score of 79.5% across 6 benchmarks. It excels particularly in AIME 2025 (100.0%), HMMT25 (96.7%), GPQA (88.4%). The model shows particular specialization in general tasks with an average performance of 79.5%. 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.

Anthropic

Claude 3.7 Sonnet

Anthropic

2025-02-24

xAI

Grok-4 Heavy

xAI

2025-07-09

4 months newer

Performance Metrics

Context window and performance specifications

Anthropic

Claude 3.7 Sonnet

Larger context
Max Context:328.0K
xAI

Grok-4 Heavy

Max Context:-

Average performance across 2 common benchmarks

Anthropic

Claude 3.7 Sonnet

Average Score:69.8%
xAI

Grok-4 Heavy

+24.4%
Average Score:94.2%

Performance comparison across key benchmark categories

Anthropic

Claude 3.7 Sonnet

code
+13.8%
93.2%
general
68.5%
xAI

Grok-4 Heavy

code
79.4%
general
+11.0%
79.5%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

Grok-4 Heavy

2024-12-31

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

Anthropic

Claude 3.7 Sonnet

4 providers

Google

Throughput: 42 tok/s
Latency: 0.4ms

Bedrock

Throughput: 101 tok/s
Latency: 0.5ms

Anthropic

Throughput: 42 tok/s
Latency: 0.4ms

ZeroEval

Throughput: 42 tok/s
Latency: 0.4ms
xAI

Grok-4 Heavy

0 providers
Anthropic

Claude 3.7 Sonnet

Avg Score:69.8%
Providers:4
xAI

Grok-4 Heavy

+24.4%
Avg Score:94.2%
Providers:0