Claude 3 Opus vs GPT-4.1 nano

Comparing Claude 3 Opus by Anthropic and GPT-4.1 nano by OpenAI across benchmarks, pricing, and capabilities.

Claude 3 Opus significantly outperforms across most benchmarks. GPT-4.1 nano is 171.4x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude 3 Opus outperforms in 2 benchmarks (GPQA, MMLU), while GPT-4.1 nano is better at 0 benchmarks.

Claude 3 Opus significantly outperforms across most benchmarks.

Tue Mar 24 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 3 Opus ($15.00/1M tokens) is 150.0x more expensive than GPT-4.1 nano ($0.10/1M tokens).

For output processing, Claude 3 Opus ($75.00/1M tokens) is 187.5x more expensive than GPT-4.1 nano ($0.40/1M tokens).

In conclusion, Claude 3 Opus 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 24 2026 • llm-stats.com

Claude 3 Opus

Input tokens$15.00

Output tokens$75.00

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 3 Opus's 200,000 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while GPT-4.1 nano is limited to 32,768 tokens.

Claude 3 Opus

Input200,000 tokens

Output200,000 tokens

GPT-4.1 nano

Input1,047,576 tokens

Output32,768 tokens

Tue Mar 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3 Opus and GPT-4.1 nano support multimodal inputs.

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

Claude 3 Opus

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 3 Opus

Proprietary

Closed source

GPT-4.1 nano

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while GPT-4.1 nano was released on 2025-04-14.

GPT-4.1 nano is 14 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.1 years ago

GPT-4.1 nano

Apr 14, 2025

11 months ago

1.1yr newer

Knowledge Cutoff

When training data ends

GPT-4.1 nano has a documented knowledge cutoff of 2024-05-31, while Claude 3 Opus'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 3 Opus's cutoff date.

Claude 3 Opus

—

GPT-4.1 nano

May 2024

Provider Availability

Claude 3 Opus is available from Anthropic, Bedrock, Google. GPT-4.1 nano is available from OpenAI. The availability of providers can affect quality of the model and reliability.