OpenAI · OpenAI (GPT / ChatGPT)
GPT-4.1 nano
Activesource:wikidata https://www.wikidata.org/wiki/Q134390865
About this version
GPT‑4.1 nano is an active, fast‑tier variant of the ChatGPT family released on 1 April 2025 that supports a context window of up to one million tokens, representing a substantial increase in input length compared with earlier GPT‑4 releases.
- API string
- gpt-4.1-nano
- Context window
- 1M ctx
- Tier
- Fast
- Released
- Apr 1, 2025
Release & change timeline
1 event- Release
GPT-4.1 nano released
Budget routing/classification model at $0.10/M input.
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