What this model supports
ReasoningYes
Tool callingYes
Structured outputYes
AttachmentsYes
Temperature controlNo
Open weightsNo
- Creator
- OpenAI
- Family
- o
- Modalities
- Image, Pdf, Text
- License
- Not documented
- Release date
- 2025-04-16
- Model ID
openai/o3
o3
openai/o3Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Source-linkedoClosed weightsReleased 2025-04-16
Context window200K
Maximum output100K
Provider offers16
Knowledge cutoff2024-05
Market availability
Report price →Provider pricing
| Provider | Provider model ID | Context | Input / 1M | Output / 1M | Cached / 1M | Features | All pricing |
|---|---|---|---|---|---|---|---|
 GitHub Models | openai/o3 | 200K | $0.000 | $0.000 | — | R · · | View{
"input": 0,
"output": 0
} |
 AnyAPI | openai/o3 | 200K | — | — | — | R T S | View{} |
 Poe | openai/o3 | 200K | $1.800 | $7.200 | $0.450 | R T · | View{
"cache_read": 0.45,
"input": 1.8,
"output": 7.2
} |
 Merge Gateway | openai/o3 | 200K | $2.000 | $8.000 | $0.500 | R T S | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 NEAR AI Cloud | openai/o3 | 200K | $2.000 | $8.000 | $0.500 | R T S | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 LLM Gateway | o3 | 200K | $2.000 | $8.000 | $0.500 | R T S | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 Cloudflare AI Gateway | openai/o3 | 200K | $2.000 | $8.000 | $0.500 | R T S | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 Vercel AI Gateway | openai/o3 | 200K | $2.000 | $8.000 | $0.500 | R T S | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 Azure Cognitive Services | o3 | 200K | $2.000 | $8.000 | $0.500 | R T · | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 NanoGPT | openai/o3 | 200K | $2.000 | $8.000 | — | · · · | View{
"input": 2,
"output": 8
} |
 OpenRouter | openai/o3 | 200K | $2.000 | $8.000 | $0.500 | R T S | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 Kilo Gateway | openai/o3 | 200K | $2.000 | $8.000 | $0.500 | R T · | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 Abacus | o3 | 200K | $2.000 | $8.000 | $0.500 | R T S | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 Azure | o3 | 200K | $2.000 | $8.000 | $0.500 | R T · | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 DigitalOcean | openai-o3 | 200K | $2.000 | $8.000 | $0.500 | R T S | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
 OpenAI | o3 | 200K | $2.000 | $8.000 | $0.500 | R T S | View{
"cache_read": 0.5,
"input": 2,
"output": 8
} |
Published benchmark results
Aider Polyglot
vs top 7 models
Design Arena: codecategories
vs top 8 models
Design Arena: dataviz
vs top 8 models
Design Arena: gamedev
vs top 8 models
Design Arena: uicomponent
vs top 8 models
Design Arena: website
vs top 8 models