Compact o3 reasoning model balancing performance and cost for complex tasks.
LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.
Compact o3 reasoning model balancing performance and cost for complex tasks. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for o3 Mini on LLM Gateway 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.
o3 Mini supports a context window of up to 200,000 tokens on its largest provider deployment.
o3 Mini is served by OpenAI, Azure through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
o3 Mini supports structured JSON outputs, but not tool calling.
o3 Mini was released on June 1, 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