openai Reasoning

o3 Mini pricing & benchmarks

Released Jan 31, 2025 · served by 1 provider

Input / 1M tokens$1.10
Output / 1M tokens$4.40
Context window200K
Cached input$0.550
1M in + 300K out$2.42

What o3 Mini is

OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. This model supports the `reasoning_effort` parameter, which can be set to...

Providers and prices for o3 Mini

The same model costs different amounts depending on who serves it. Prices are per 1M tokens, cheapest first. Uptime and throughput are OpenRouter's rolling measurements, not vendor claims.

ProviderInputOutputContext QuantUptime 24hThroughput
OpenAIcheapest $1.10 $4.40 200K 100.0%

FAQ

How much does the o3 Mini API cost?

$1.10 per 1M input tokens and $4.40 per 1M output tokens. A typical workload of 1M input + 300K output tokens costs about $2.42.

Is o3 Mini free?

No. It is a paid model starting at $1.10 per 1M input tokens, though some providers offer trial credits.

Which provider is cheapest for o3 Mini?

OpenAI at $1.10 input / $4.40 output per 1M tokens.

Can I self-host o3 Mini?

No. o3 Mini is closed-weight and only available through hosted APIs.