Last refreshed 2026-06-15. Next refresh: weekly.
Why use o3-pro on OpenRouter?
OpenRouter offers o3-pro with pay-as-you-go pricing at $20.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare o3-pro across 3 providers to find the best fit for your use caseInput / 1M
$20.00
Output / 1M
$80.00
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: openai/o3-proModel ID
openai/o3-proRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
openai/o3-pro.Gotchas
- Use provider model ID "openai/o3-pro", not the LLMReference slug "o3-pro".
Compare o3-pro Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $20.00 | $80.00 |
| OpenAI API | $20.00 | $80.00 |
| Vercel AI Gateway | $20.00 | $80.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $20.00 |
| Output tokens | $80.00 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured OutputsCode Execution
About o3-pro
Advanced o3 reasoning model for complex math, science, and coding problems. Supports tools, vision, and extended thinking. Available to Pro users. Released June 10, 2025.
Get Started
Model Specs
Released2025-06-10
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-08