GPT-4.1 nano
Fastest, most cost-efficient version of GPT-4.1.
Specs
- Context
- 1.05M
- Max output
- 32.8K
- Input price
- $0.1/ 1M tokens
- Output price
- $0.4/ 1M tokens
- Released
- 2025-04-14
Context
- Context window
- 1.05M
- Max input
- —
- Max output
- 32.8K
Pricing · USD / 1M tokens
- Input
- $0.1
- Output
- $0.4
- Cache read
- $0.025
- Cache write
- —
Modalities
- Input
- TextImage
- Output
- Text
API
- API types
Reasoning
- Reasoning
- No
Info
- Status
- Deprecated
- Released
- 2025-04-14
- Knowledge cutoff
- 2024-06-01
Features
- Confirmed
How to call
1 provider
openaimodel = gpt-4.1-nano
chat
POSThttps://api.openai.com/v1/chat/completions
responses
POSThttps://api.openai.com/v1/responses
batch
POSThttps://api.openai.com/v1/batches
JSON
Standard format
{
"id": "gpt-4.1-nano",
"object": "model",
"created": 1744588800,
"owned_by": "openai",
"name": "GPT-4.1 nano",
"api": {
"types": [
"chat",
"responses",
"batch"
]
},
"limits": {
"context": 1047576,
"input": null,
"output": 32768
},
"modalities": {
"input": [
"text",
"image"
],
"output": [
"text"
]
},
"reasoning": {
"supported": false,
"efforts": []
},
"pricing": {
"currency": "USD",
"unit": "1M_tokens",
"input": 0.1,
"output": 0.4,
"cache_read": 0.025,
"cache_write": null
},
"features": [
"tools",
"structured_output",
"streaming",
"caching",
"batch"
],
"info": {
"status": "deprecated",
"release_date": "2025-04-14",
"knowledge_cutoff": "2024-06-01",
"description": "Fastest, most cost-efficient version of GPT-4.1.",
"docs": "https://developers.openai.com/api/docs/models/gpt-4.1-nano",
"verified_at": "2026-10-11"
}
}Official sources
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