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GPT-4.1 nano

OpenAI · GPT-4.1

Available
Latest in family

Key Metrics

Input Limit

1.0M tokens

Output Limit

32.8K tokens

Input Cost

$0.10/1M

Output Cost

$0.40/1M

Sample API Code

Required Libraries

Notes

Fastest, most cost-effective GPT-4.1 model. Supports text and image input, text output. Features include streaming, function calling, and structured outputs. Fine-tuning, distillation, and predicted outputs are not supported.

Capabilities

Streaming
Function calling
Structured outputs
Text input
Text output
Image input

Supported Data Types

Input Types

text
image

Output Types

text

Strengths & Weaknesses

Exceptional at

Very fast speed

Good at

Cost-effectiveness
Average intelligence

Additional Information

Latest Update

Apr 14, 2025

Knowledge Cutoff

2024-06-01