Claude 3 Sonnet vs Grok-3 Mini Comparison

Comparing Claude 3 Sonnet and Grok-3 Mini across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude 3 Sonnet outperforms in 0 benchmarks, while Grok-3 Mini is better at 1 benchmark (GPQA).

Grok-3 Mini significantly outperforms across most benchmarks.

Mon Mar 16 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Mon Mar 16 2026 • llm-stats.com
Anthropic
Claude 3 Sonnet
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
xAI
Grok-3 Mini
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue

Input Capabilities

Supported data types and modalities

Both Claude 3 Sonnet and Grok-3 Mini support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3 Sonnet

Text
Images
Audio
Video

Grok-3 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3 Sonnet

Proprietary

Closed source

Grok-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while Grok-3 Mini was released on 2025-02-17.

Grok-3 Mini is 12 months newer than Claude 3 Sonnet.

Claude 3 Sonnet

Feb 29, 2024

2.0 years ago

Grok-3 Mini

Feb 17, 2025

1.1 years ago

11mo newer

Knowledge Cutoff

When training data ends

Grok-3 Mini has a documented knowledge cutoff of 2024-11-17, while Claude 3 Sonnet's cutoff date is not specified.

We can confirm Grok-3 Mini's training data extends to 2024-11-17, but cannot make a direct comparison without Claude 3 Sonnet's cutoff date.

Claude 3 Sonnet

Grok-3 Mini

Nov 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Higher GPQA score (84.0% vs 40.4%)
AnthropicClaude 3 Sonnet
xAIGrok-3 Mini

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Sonnet
xAI
Grok-3 Mini