Claude Sonnet 4.6 vs GPT-4.1 nano Comparison

Comparing Claude Sonnet 4.6 and GPT-4.1 nano across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude Sonnet 4.6 outperforms in 2 benchmarks (GPQA, MMMLU), while GPT-4.1 nano is better at 0 benchmarks.

Claude Sonnet 4.6 significantly outperforms across most benchmarks.

Tue Mar 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4.1 nano costs less

For input processing, Claude Sonnet 4.6 ($3.00/1M tokens) is 30.0x more expensive than GPT-4.1 nano ($0.10/1M tokens).

For output processing, Claude Sonnet 4.6 ($15.00/1M tokens) is 37.5x more expensive than GPT-4.1 nano ($0.40/1M tokens).

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

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

Lowest available price from all providers

Tue Mar 17 2026 • llm-stats.com

Claude Sonnet 4.6

Input tokens$3.00

Output tokens$15.00

Best providerAnthropic

GPT-4.1 nano

Input tokens$0.10

Output tokens$0.40

Best providerOpenAI

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Context Window

Maximum input and output token capacity

GPT-4.1 nano 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 nano is limited to 32,768 tokens.

Claude Sonnet 4.6

Input200,000 tokens

Output64,000 tokens

GPT-4.1 nano

Input1,047,576 tokens

Output32,768 tokens

Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4.6 and GPT-4.1 nano 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 nano

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 nano

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Claude Sonnet 4.6

Feb 17, 2026

4 weeks ago

10mo newer

GPT-4.1 nano

Apr 14, 2025

11 months ago

Knowledge Cutoff

When training data ends

GPT-4.1 nano has a documented knowledge cutoff of 2024-05-31, while Claude Sonnet 4.6's cutoff date is not specified.

We can confirm GPT-4.1 nano's training data extends to 2024-05-31, but cannot make a direct comparison without Claude Sonnet 4.6's cutoff date.

Claude Sonnet 4.6

—

GPT-4.1 nano

May 2024

Provider Availability

Claude Sonnet 4.6 is available from Anthropic. GPT-4.1 nano is available from OpenAI. The availability of providers can affect quality of the model and reliability.