OpenAI/ o-series
o3
openai/o-series/o3
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Released
2025-04-16
Context window
200K
Max output
100K
Weights
Closed
Modalities
Input
TextImageDocument
Output
Text
Identity
- Version
- o3
- Knowledge cutoff
- 2024-05
- Aliases
- o3
Providers
| Provider | Provider model ID | Protocol | Context | Max output | Input | Output | Capabilities | Notes | Pricing | Streaming |
|---|---|---|---|---|---|---|---|---|---|---|
| AnyAPI | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | - | Yes |
| Poe | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $1.8/M · cache read $0.45/M output $7.2/M | Yes |
| NanoGPT | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $1/M output $8/M | Yes |
| NEAR AI Cloud | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| LLM Gateway | o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| Helicone | o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| Abacus | o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| Azure Cognitive Services | o3 | custom | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| Azure | o3 | openai_responses | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| Kilo Gateway | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| Merge Gateway | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| GitHub Models | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | - | Yes |
| Vercel AI Gateway | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| OpenRouter | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | Moderated | input $2/M · cache read $0.5/M output $8/M | Yes |
| Cloudflare AI Gateway | openai/o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
| Jiekou.AI | o3 | openai_chat | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $10/M output $40/M | Yes |
| OpenAI | o3 | openai_responses | 200K | 100K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2/M · cache read $0.5/M output $8/M | Yes |
Capabilities
AttachmentsReasoningTool callStructured
Official price
input $2/M · cache read $0.5/M
output $8/M