GPT-4.1
Provider：OpenAI
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...
Key specs
- Context：1M
- Max output：32.8K
- Tokenizer：GPT
- Released：2025-04-14
Token pricing
- Input price：$2.00 / 1M tokens
- Output price：$8.00 / 1M tokens
- Cache read：$0.500 / 1M tokens
- Blended price：$3.50 / 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.（≈ $0.064/call）
- Vision Understanding & Generation：Recognize data trends in charts, OCR scanned docs, analyze photos and produce structured reports.（≈ $0.048/call）
- Chat & Support：FAQ auto-response, multi-turn dialogue, emotion detection — e-commerce, finance, gov.（≈ $0.016/call）
- Content Moderation：Auto-detect violations, hate speech, NSFW content; custom rule sets and score thresholds.
When to pick this model
Signals derived from public pricing and spec fields — not a benchmark. Validate with official docs and your own eval.
- 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? Input price $2.00 / 1M tokens, output price $8.00 / 1M tokens, blended about $3.50 / 1M tokens. Refer to OpenAI’s official page for the exact rate.
- What context window does GPT-4.1 support? Context window is 1M, max output about 32.8K, suitable for long documents, multi-turn chat and complex reasoning.
- What scenarios is GPT-4.1 best for? Based on its capability and pricing, GPT-4.1 fits best: Deep Reasoning & Analysis, Vision Understanding & Generation, Chat & Support. See the Use Cases section for details and cost estimates.
- What input/output modalities does GPT-4.1 support? Supports Image, Text, File modality.
- Is GPT-4.1 a free model? GPT-4.1 is billed per token, not a free model.
- Which provider offers GPT-4.1? GPT-4.1 is offered by OpenAI.
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Full info：GPT-4.1