OpenAI: o4 Mini.
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities. It supports tool use and demonstrates competitive re
No self-host path — closed weights.
OpenAI: o4 Mini's weights aren't published. Use it via the access providers below.
Cheapest hosted endpoints.
Frequently asked.
How do I run OpenAI: o4 Mini?
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How much does it cost to run OpenAI: o4 Mini?
Is OpenAI: o4 Mini open-source or proprietary?
What it costs per month across providers.
Estimate your monthly bill for OpenAI: o4 Mini across every host that publishes per-token pricing. Slide your token volumes; the chart + table re-rank cheapest-first.
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Total monthly cost — input + output tokens combined.