Model Comparison

Claude Sonnet 4.6 vs GPT-4.1

Claude Sonnet 4.6 significantly outperforms across most benchmarks. GPT-4.1 is 1.7x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Claude Sonnet 4.6 outperforms in 4 benchmarks (GPQA, Humanity's Last Exam, MMMLU, SWE-Bench Verified), while GPT-4.1 is better at 0 benchmarks.

Claude Sonnet 4.6 significantly outperforms across most benchmarks.

Thu Apr 16 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4.1 costs less

For input processing, Claude Sonnet 4.6 ($3.00/1M tokens) is 1.5x more expensive than GPT-4.1 ($2.00/1M tokens).

For output processing, Claude Sonnet 4.6 ($15.00/1M tokens) is 1.9x more expensive than GPT-4.1 ($8.00/1M tokens).

In conclusion, Claude Sonnet 4.6 is more expensive than GPT-4.1.*

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

Lowest available price from all providers
Thu Apr 16 2026 • llm-stats.com
Anthropic
Claude Sonnet 4.6
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
OpenAI
GPT-4.1
Input tokens$2.00
Output tokens$8.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-4.1 accepts 1,047,576 input tokens compared to Claude Sonnet 4.6's 200,000 tokens. Claude Sonnet 4.6 can generate longer responses up to 64,000 tokens, while GPT-4.1 is limited to 32,768 tokens.

Anthropic
Claude Sonnet 4.6
Input200,000 tokens
Output64,000 tokens
OpenAI
GPT-4.1
Input1,047,576 tokens
Output32,768 tokens
Thu Apr 16 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.6 and GPT-4.1 support multimodal inputs.

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

Claude Sonnet 4.6

Text
Images
Audio
Video

GPT-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 Sonnet 4.6

Proprietary

Closed source

GPT-4.1

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Sonnet 4.6 was released on 2026-02-17, while GPT-4.1 was released on 2025-04-14.

Claude Sonnet 4.6 is 10 months newer than GPT-4.1.

Claude Sonnet 4.6

Feb 17, 2026

1 months ago

10mo newer
GPT-4.1

Apr 14, 2025

1.0 years ago

Knowledge Cutoff

When training data ends

GPT-4.1 has a documented knowledge cutoff of 2024-06-01, while Claude Sonnet 4.6's cutoff date is not specified.

We can confirm GPT-4.1's training data extends to 2024-06-01, but cannot make a direct comparison without Claude Sonnet 4.6's cutoff date.

Claude Sonnet 4.6

—

GPT-4.1

Jun 2024

Provider Availability

Claude Sonnet 4.6 is available from Anthropic. GPT-4.1 is available from OpenAI.

Claude Sonnet 4.6

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

GPT-4.1

openai logo
OpenAI
Input Price:Input: $2.00/1MOutput Price:Output: $8.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Anthropic
Higher GPQA score (89.9% vs 66.3%)
Higher Humanity's Last Exam score (49.0% vs 5.4%)
Higher MMMLU score (89.3% vs 87.3%)
Higher SWE-Bench Verified score (79.6% vs 54.6%)
OpenAI
Larger context window (1,047,576 tokens)
Less expensive input tokens
Less expensive output tokens
AnthropicClaude Sonnet 4.6
OpenAIGPT-4.1
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.6
OpenAI
GPT-4.1

FAQ

Common questions about Claude Sonnet 4.6 vs GPT-4.1

Claude Sonnet 4.6 significantly outperforms across most benchmarks. Claude Sonnet 4.6 is made by Anthropic and GPT-4.1 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude Sonnet 4.6 scores Tau2 Telecom: 97.9%, Tau2 Retail: 91.7%, GPQA: 89.9%, MMMLU: 89.3%, SWE-Bench Verified: 79.6%. GPT-4.1 scores MMLU: 90.2%, CharXiv-D: 87.9%, IFEval: 87.4%, MMMLU: 87.3%, MMMU: 74.8%.
GPT-4.1 is 1.5x cheaper for input tokens. Claude Sonnet 4.6 costs $3.00/M input and $15.00/M output via anthropic. GPT-4.1 costs $2.00/M input and $8.00/M output via openai.
Claude Sonnet 4.6 supports 200K tokens and GPT-4.1 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 1.0M), input pricing ($3.00 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.
Claude Sonnet 4.6 is developed by Anthropic and GPT-4.1 is developed by OpenAI.