Model Comparison

Claude 3 Sonnet vs Grok-4.1

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

Want to compare interactively?Try the playground

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
Wed Apr 15 2026 • llm-stats.com
Anthropic
Claude 3 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
xAI
Grok-4.1
Input tokens$3.00
Output tokens$15.00
Best providerxAI
Notice missing or incorrect data?Start an Issue→

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.

Anthropic
Claude 3 Sonnet
Input200,000 tokens
Output200,000 tokens
xAI
Grok-4.1
Input256,000 tokens
Output8,000 tokens
Wed Apr 15 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

2.1 years ago

Grok-4.1

Nov 17, 2025

4 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.

Claude 3 Sonnet

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
google logo
Google
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Grok-4.1

xai logo
xAI
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
xAI
Larger context window (256,000 tokens)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Sonnet
xAI
Grok-4.1

FAQ

Common questions about Claude 3 Sonnet vs Grok-4.1

Claude 3 Sonnet (Anthropic) and Grok-4.1 (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.
Claude 3 Sonnet scores ARC-C: 93.2%, GSM8k: 92.3%, HellaSwag: 89.0%, MGSM: 83.5%, BIG-Bench Hard: 82.9%. Grok-4.1 scores FActScore: 97.0%, Creative Writing v3: 85.4%, EQ-Bench: 79.3%, LMArena Text Leaderboard: 73.3%.
Both models cost $3.00 per million input tokens.
Claude 3 Sonnet supports 200K tokens and Grok-4.1 supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 256K). See the full comparison above for benchmark-by-benchmark results.
Claude 3 Sonnet is developed by Anthropic and Grok-4.1 is developed by xAI.