Claude 3 Sonnet vs Grok-4.1 Comparison

Comparing Claude 3 Sonnet and Grok-4.1 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude 3 Sonnet and Grok-4.1 don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Grok-4.1 costs less

For input processing, Claude 3 Sonnet ($3.00/1M tokens) costs the same as Grok-4.1 ($3.00/1M tokens).

For output processing, Claude 3 Sonnet ($15.00/1M tokens) costs the same as Grok-4.1 ($15.00/1M tokens).

In conclusion, Claude 3 Sonnet and Grok-4.1 cost the same.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Sat Mar 14 2026 • llm-stats.com

Claude 3 Sonnet

Input tokens$3.00

Output tokens$15.00

Best providerAnthropic

Grok-4.1

Input tokens$3.00

Output tokens$15.00

Best providerxAI

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Context Window

Maximum input and output token capacity

Grok-4.1 accepts 256,000 input tokens compared to Claude 3 Sonnet's 200,000 tokens. Claude 3 Sonnet can generate longer responses up to 200,000 tokens, while Grok-4.1 is limited to 8,000 tokens.

Claude 3 Sonnet

Input200,000 tokens

Output200,000 tokens

Grok-4.1

Input256,000 tokens

Output8,000 tokens

Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3 Sonnet and Grok-4.1 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-4.1

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-4.1

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while Grok-4.1 was released on 2025-11-17.

Grok-4.1 is 21 months newer than Claude 3 Sonnet.

Claude 3 Sonnet

Feb 29, 2024

2.0 years ago

Grok-4.1

Nov 17, 2025

3 months ago

1.7yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude 3 Sonnet is available from Anthropic, Bedrock, Google. Grok-4.1 is available from xAI. The availability of providers can affect quality of the model and reliability.