Claude 3.5 Haiku vs GPT-4.1 nano Comparison

Comparing Claude 3.5 Haiku and GPT-4.1 nano across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Claude 3.5 Haiku outperforms in 2 benchmarks (TAU-bench Airline, TAU-bench Retail), while GPT-4.1 nano is better at 1 benchmark (GPQA).

Claude 3.5 Haiku shows notably better performance in the majority of benchmarks.

Fri Mar 20 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 3.5 Haiku ($0.80/1M tokens) is 8.0x more expensive than GPT-4.1 nano ($0.10/1M tokens).

For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 10.0x more expensive than GPT-4.1 nano ($0.40/1M tokens).

In conclusion, Claude 3.5 Haiku is more expensive than GPT-4.1 nano.*

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

Lowest available price from all providers

Fri Mar 20 2026 • llm-stats.com

Claude 3.5 Haiku

Input tokens$0.80

Output tokens$4.00

Best providerAWS Bedrock

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 3.5 Haiku's 200,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while GPT-4.1 nano is limited to 32,768 tokens.

Claude 3.5 Haiku

Input200,000 tokens

Output200,000 tokens

GPT-4.1 nano

Input1,047,576 tokens

Output32,768 tokens

Fri Mar 20 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4.1 nano supports multimodal inputs, whereas Claude 3.5 Haiku does not.

GPT-4.1 nano can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.5 Haiku

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 3.5 Haiku

Proprietary

Closed source

GPT-4.1 nano

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while GPT-4.1 nano was released on 2025-04-14.

GPT-4.1 nano is 6 months newer than Claude 3.5 Haiku.

Claude 3.5 Haiku

Oct 22, 2024

1.4 years ago

GPT-4.1 nano

Apr 14, 2025

11 months ago

5mo newer

Knowledge Cutoff

When training data ends

GPT-4.1 nano has a documented knowledge cutoff of 2024-05-31, while Claude 3.5 Haiku'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 3.5 Haiku's cutoff date.

Claude 3.5 Haiku

—

GPT-4.1 nano

May 2024

Provider Availability

Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. GPT-4.1 nano is available from OpenAI. The availability of providers can affect quality of the model and reliability.