Alex Getmanearly AI signals
EN

GPT-4.1 nano

OpenAI

Released Updated
Context window
1M
1,047,576 tokens
Max output
33K
32,768 tokens
Input / Output
text, image → text

API pricing

USD / 1M tokens

InputOutputCached input
  • $0.10
openrouter
  • $0.40
openrouter
  • $0.03
openrouter
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Timeline

  1. · API availability · evidence link · evidence link
Input / output price · USD / 1M tokens
ModelEvidence linksInput / output price
openai/gpt-4.1-nano
standard
openrouter$0.10 / $0.40
openai/gpt-4.1-nano:batch
batch
openrouter$0.05 / $0.20
openai/gpt-4.1-nano
standard
vercel-gateway$0.10 / $0.40
  1. · Catalogue listing · GitHub · openai/openai-node · code
    Excerpt
    criptions * of them. */ model?: | (string & {}) | 'gpt-5' | 'gpt-5-mini' | 'gpt-5-nano' | 'gpt-5-2025-08-07' | 'gpt-5-mini-2025-08-07' | 'gpt-5-nano-2025-08-07' | 'gpt-4.1' | 'gpt-4.1-mini' | 'gpt-4.1-nano' | 'gpt-4.1-2025-04-14' | 'gpt-4.1-mini-2025-04-14' | 'gpt-4.1-nano-2025-04-14' | 'o3-mini' | 'o3-mini-2025-01-31' | 'o1' | 'o1-2024-12-17' | 'gpt-4o' | 'gpt-4o-2024-11-20' | 'gpt-4o-2024-08-06' | 'gpt-4o-2024-05-13' | 'gpt-4o-mini' | 'gpt-4o-mini-2024-07-18' | 'gpt-4.5-preview' | 'gpt-4.5-preview-2025-02-27' | 'gpt-4-turbo' | 'gpt-4-turbo-2024-04-09' | 'gpt-4-0125-preview' | 'gpt-4-turbo-preview' | 'gpt-4-1106-preview' | 'gpt-4-vision-preview' | 'gpt-4' | 'gpt-4-0314' | 'gpt-4-0613' | 'gpt-4-32k' | 'gpt-4-32k-0314' | 'gpt-4-
  2. · Catalogue listing · GitHub · openai/openai-agents-python · code
    Excerpt
    "gpt-5.6", "gpt-5.6-sol", "gpt-5.6-terra", "gpt-5.6-luna", "gpt-4.1", "gpt-4.1-2025-04-14", "gpt-4.1-mini", "gpt-4.1-mini-2025-04-14", "gpt-4.1-nano", "gpt-4.1-nano-2025-04-14", ), 1_047_576, ), **_model_context_windows( ( "gpt-5", "gpt-5-2025-08-07", "gpt-5-codex", "gpt-5-mini", "gpt-5-mini-2025-08-07", "gpt-5-nano", "gpt-5-nano-2025-08-07", "gpt-5-pro", "gpt-5-pro-2025-10-06", "gpt-5.1", "gpt-5.1-2025-11-13", "gpt-5.1-codex", "gpt-5.1-codex-max", "gpt-5.1-codex-mini", "gpt-5.2", "gpt-5.2-2025-12-11", "gpt-5.2-codex", "gp
  3. · Catalogue listing · GitHub · openai/openai-python · code
    Excerpt
    pt-5-mini", "gpt-5-nano", "gpt-5-2025-08-07", "gpt-5-mini-2025-08-07", "gpt-5-nano-2025-08-07", "gpt-5-chat-latest", "gpt-4.1", "gpt-4.1-mini", "gpt-4.1-nano", "gpt-4.1-2025-04-14", "gpt-4.1-mini-2025-04-14", "gpt-4.1-nano-2025-04-14", "o4-mini", "o4-mini-2025-04-16", "o3", "o3-2025-04-16", "o3-mini", "o3-mini-2025-01-31", "o1", "o1-2024-12-17", "o1-preview", "o1-preview-2024-09-12", "o1-mini", "o1-mini-2024-09-12", "gpt-4o", "gpt-4o-2024-11-20", "gpt-4o-2024-08-06", "gpt-4o-2024-05-13", "gpt-audio-mini", "gpt-audio-mini-2025-12-15",
  4. · Catalogue listing · GitHub · openai/openai-agents-js · code
    Excerpt
    ol', 'gpt-5.6', 'gpt-5.6-sol', 'gpt-5.6-terra', 'gpt-5.6-luna', 'gpt-5.4', 'gpt-5.4-2026-03-05', 'gpt-5.4-pro', 'gpt-5.4-pro-2026-03-05', 'gpt-4.1', 'gpt-4.1-2025-04-14', 'gpt-4.1-mini', 'gpt-4.1-mini-2025-04-14', 'gpt-4.1-nano', 'gpt-4.1-nano-2025-04-14', ]); const SANDBOX_CONTEXT_WINDOWS_400K = new Set([ 'gpt-5', 'gpt-5-codex', 'gpt-5-mini', 'gpt-5-nano', 'gpt-5-pro', 'gpt-5.1', 'gpt-5.1-codex', 'gpt-5.1-codex-max', 'gpt-5.1-codex-mini', 'gpt-5.2', 'gpt-5.2-codex', 'gpt-5.2-codex-cyber', 'gpt-5.2-pro', 'gpt-5.3-codex', 'gpt-5.3-codex-spark', 'gpt-5.4-mini', 'gpt-5.4-nano', ]); const SANDBOX_CONTEXT_WINDOWS_200K = new Set([ 'codex-mini-latest', 'o1', 'o1-2024-12-17', 'o1-pro', 'o3', 'o3-2025-04-16', 'o3-mini', 'o3-pro', 'o3-deep-research', 'o4-mini', 'o4-mini-2025-04-16', 'o4-mini-deep-researc
  5. · Source entry removed · OpenAI API

Evidence links

  • · Source entry removed · OpenAI API · gpt-4.1-nano

Signals 2

Specifications

GPT-4.1 nano is a model from OpenAI, released on 14 Apr 2025. The context window is 1,047,576 tokens. The maximum output is 32,768 tokens. Pricing is $0.10 per million input tokens and $0.40 per million output tokens.

Context window
1,047,576
Max output
32,768
Input
text · image
Output
text
Input · USD / 1M tokens
$0.10
Output · USD / 1M tokens
$0.40
Cached input · USD / 1M tokens
$0.03

Questions

What is the context window of GPT-4.1 nano?

The context window is 1,047,576 tokens. The maximum output is 32,768 tokens.

How much does GPT-4.1 nano cost?

Pricing is $0.10 per million input tokens and $0.40 per million output tokens. Cached input is $0.03 per million.

When was GPT-4.1 nano released?

On 14 Apr 2025.