o3
Provider：OpenAI
o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....
Key specs
- Context：200K
- Max output：100K
- Tokenizer：GPT
- Released：2025-04-16
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 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 o3? 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 o3 support? Context window is 200K, max output about 100K, suitable for long documents, multi-turn chat and complex reasoning.
- What scenarios is o3 best for? Based on its capability and pricing, o3 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 o3 support? Supports Image, Text, File modality.
- Is o3 a free model? o3 is billed per token, not a free model.
- Which provider offers o3? o3 is offered by OpenAI.
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Full info：o3