GPT-4.1 nano
active Active
GPT-4.1 nano is an active OpenAI LLM API model. As of May 24, 2026 it has no announced deprecation or retirement date.
Lifecycle & specs
- Provider
- OpenAI
- API model ID
gpt-4.1-nano- Status
- active
- Released
- Apr 14, 2025
- Context window
- 1,047,576 tokens
- Input price
- $0.10 / 1M tokens
- Output price
- $0.40 / 1M tokens
- Knowledge cutoff
- 2024-06-30
- Pricing checked
- May 22, 2026
Source: official OpenAI documentation ↗ · ✓ verified