OpenAI

GPT-4.1 Nano

Complete specs, pricing, and benchmark data for GPT-4.1 Nano by OpenAI. Last verified 2026-04-03.

VisionMultimodalJSON ModeFunctionsStreaming
Pricing

Input / 1M tokens

$0.100

Output / 1M tokens

$0.400

Cached Input / 1M

$0.025

Context & Output

Context Window

1.047576M

Max Output

32,768

TTFT

130ms

Speed

150 tok/s

Benchmarks

Arena ELO

1180

Coding ELO

1150

Reasoning ELO

1140

HumanEval

83

MMLU

78.5

MATH

62.1

GPQA

38.5

Price History (Input $/M tokens)

Strengths
  • +Ultra-low pricing
  • +1M context window
  • +Very fast inference
  • +Ideal for simple tasks at scale
Limitations
  • -Weakest reasoning in GPT-4.1 family
  • -Not suitable for complex coding
  • -Limited creative writing quality

Best For

ChatbotsClassificationCost SensitiveHigh Volume

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