OpenAI
OpenAI: GPT-4.1 Nano
openai/gpt-4.1-nano
For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series.
- Context window: 1,047,576 tokens
- Input: image, text, file
- Output: text
- Pricing: $0.1/M input tokens, $0.4/M output tokens
Community sentiment
Mixed (+12) — 3 positive, 1 negative, 2 neutral across 6 community samples from X and the web, as of 2026-10-06.
Posts praise GPT-4.1 Nano as a fast, cheap, small-footprint variant with strong performance and large-context capability. Others flag its deprecation/shutdown and migration risks, warning of failed requests and potential silent degradations when swapping models.
- “GPT-4.1 - API Pricing & Benchmarks - OpenRouter — 5 days ago · GPT‐4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million token context ...” — the web
- “@aryanlabde And if China is not in the market, AI price should be $1000/month for using sonnet, gpt 4.1 nano model” — X
- “@chatwootapp Saw your PR moving Captain AI translations off gpt-4.1-nano before Oct 23 — smart. One thing teams miss: output-comparison testing after the swap, or support answers silently degrade. I do fixed-price emergency migrations ($390, output-tested). Want a free repo scan?” — X
- “OpenAI shuts down ten API models on October 23: o1, o1-pro, o3-mini, o4-mini, GPT-4 Turbo, the original GPT-4, gpt-4o-2024-05-13, gpt-4.1-nano, gpt-3.5-turbo-0125 and gpt-image-1. Fine-tunes on 3.5 Turbo, GPT-4, o4-mini, 4.1-nano, babbage-002 and davinci-002 go the same day. http” — X
View on OpenRouter.
Model data sourced from OpenRouter.