GPT-4.1 Nano
Provider：OpenAI
For tasks that demand low latency, 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...
Key specs
- Context：1M
- Max output：942.8K
- Tokenizer：GPT
- Released：2025-04-14
Token pricing
- Input price：$0.100 / 1M tokens
- Output price：$0.400 / 1M tokens
- Cache read：$0.030 / 1M tokens
- Blended price：$0.175 / 1M tokens
Modalities
Image, Text, File
Use Cases
- Deep Reasoning & Analysis：Process long legal docs, academic papers, financial reports; multi-hop reasoning and evidence-chain tracing across huge contexts.（≈ $0.0032/call）
- Vision Understanding & Generation：Recognize data trends in charts, OCR scanned docs, analyze photos and produce structured reports.（≈ $0.0024/call）
When to pick this model
Signals derived from public pricing and spec fields — not a benchmark. Validate with official docs and your own eval.
- Low input + output price: solid fit for high-frequency calls and batch processing.
- Low blended price: budget-friendly for fleet-scale deployment.
- Long context (>=1M tokens): well-suited for long-doc QA, code-base analysis, multi-turn agents.
- Long max output (>=30K tokens): strong fit for deep report / essay / document-drafting workflows.
- Multimodal (text+image): fit for image captioning, OCR, chart QA, vision-grounded reasoning.
- File / PDF input support: fit for document parsing, contract review, RAG over private data.
FAQ
- What is the token pricing of GPT-4.1 Nano? Input price $0.100 / 1M tokens, output price $0.400 / 1M tokens, blended about $0.175 / 1M tokens. Refer to OpenAI’s official page for the exact rate.
- What context window does GPT-4.1 Nano support? Context window is 1M, max output about 942.8K, suitable for long documents, multi-turn chat and complex reasoning.
- What scenarios is GPT-4.1 Nano best for? Based on its capability and pricing, GPT-4.1 Nano fits best: Deep Reasoning & Analysis, Vision Understanding & Generation. See the Use Cases section for details and cost estimates.
- What input/output modalities does GPT-4.1 Nano support? Supports Image, Text, File modality.
- Is GPT-4.1 Nano a free model? GPT-4.1 Nano is billed per token, not a free model.
- Which provider offers GPT-4.1 Nano? GPT-4.1 Nano is offered by OpenAI.
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Full info：GPT-4.1 Nano