Last refreshed 2026-06-15. Next refresh: weekly.
Why use o3 Mini on OpenRouter?
OpenRouter offers o3 Mini with pay-as-you-go pricing at $1.10/1M 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 Mini across 4 providers to find the best fit for your use caseInput / 1M
$1.10
Output / 1M
$4.40
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-miniModel ID
openai/o3-miniRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
openai/o3-mini.Gotchas
- Use provider model ID "openai/o3-mini", not the LLMReference slug "o3-mini".
Compare o3 Mini Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $1.10 | $4.40 |
| Azure OpenAI | — | — |
| OpenAI API | — | — |
| Vercel AI Gateway | $1.10 | $4.40 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $1.10 |
| Output tokens | $4.40 |
Capabilities
ReasoningJSON / Tool useStructured OutputsCode ExecutionPrompt Caching
About o3 Mini
OpenAI o3-mini - cost-optimized reasoning model. Compact variant of reasoning model family.
Get Started
Model Specs
Released2025-01-31
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-04