Compact reasoning model with strong performance and efficient inference.
OffRail routes requests to the best providers that are able to handle your prompt size and parameters.
Compact reasoning model with strong performance and efficient inference. You can access it through OffRail's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for o4 Mini on OffRail starts at $1.10 per million input tokens and $4.40 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.
o4 Mini supports a context window of up to 200,000 tokens on its largest provider deployment.
o4 Mini is served by OpenAI, Azure through OffRail. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
Yes. o4 Mini supports both tool (function) calling and strict JSON output schema (upstream-enforced) through OffRail.
o4 Mini was released on April 16, 2025.
GPT-5.6 Sol
1,050,000 context$5.00 in / $30.00 out per 1M
GPT-5.6 Terra
1,050,000 context$2.00 in / $12.00 out per 1M
GPT-5.6 Luna
1,050,000 context$0.20 in / $1.20 out per 1M
GPT Realtime 2.1
128,000 context$4.00 in / $24.00 out per 1M
GPT Realtime 2.1 Mini
128,000 context$0.60 in / $2.40 out per 1M
GPT-5.5
1,050,000 context$5.00 in / $30.00 out per 1M