o3 Pro
Provider：OpenAI
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...
Key specs
- Context：200K
- Max output：100K
- Tokenizer：GPT
- Released：2025-06-10
Token pricing
- Input price：$20.00 / 1M tokens
- Output price：$80.00 / 1M tokens
- Blended price：$35.00 / 1M tokens
Modalities
Text, File, Image
Use Cases
- Deep Reasoning & Analysis：Process long legal docs, academic papers, financial reports; multi-hop reasoning and evidence-chain tracing across huge contexts.（≈ $0.640/call）
- Vision Understanding & Generation：Recognize data trends in charts, OCR scanned docs, analyze photos and produce structured reports.（≈ $0.480/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 Pro? Input price $20.00 / 1M tokens, output price $80.00 / 1M tokens, blended about $35.00 / 1M tokens. Refer to OpenAI’s official page for the exact rate.
- What context window does o3 Pro support? Context window is 200K, max output about 100K, suitable for long documents, multi-turn chat and complex reasoning.
- What scenarios is o3 Pro best for? Based on its capability and pricing, o3 Pro fits best: Deep Reasoning & Analysis, Vision Understanding & Generation, Content Moderation. See the Use Cases section for details and cost estimates.
- What input/output modalities does o3 Pro support? Supports Text, File, Image modality.
- Is o3 Pro a free model? o3 Pro is billed per token, not a free model.
- Which provider offers o3 Pro? o3 Pro is offered by OpenAI.
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Full info：o3 Pro