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GPT-4o-mini pricing and routing profile

GPT-4o-mini from OpenAI lists at $0.15 per million input tokens and $0.60 per million output tokens, with a 128,000-token context window. Prices from OpenRouter's catalogue on 2026-09-28.

Input, per 1M tokens$0.15
Output, per 1M tokens$0.60
Cached input, per 1M$0.075
Context window128K
Confidence signalAvailable

Tool callingStructured outputLog probabilities

Cost per 1,000 requests

Request shapeList cost
Classification or routing (600 tokens in, 10 out)$0.096
Chat reply (2,000 in, 400 out)$0.54
Retrieval-augmented answer (8,000 in, 500 out)$1.50

Before prompt caching. Try your own shape in the cost calculator.

Can Gimbix route to it first?

Yes. At least one host return token log probabilities for GPT-4o-mini, which is the confidence signal Gimbix uses to let a cheaper model answer first.

Cheaper models that can answer first

Models priced below GPT-4o-mini that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.

ModelInput / output per 1MCheaper on a chat reply
Qwen3 VL 8B Instruct$0.117 / $0.45523%
DeepSeek V4 Flash 0423$0.14 / $0.2827%
Qwen3 VL 32B Instruct$0.104 / $0.41631%
Ternary Bonsai 2 27B$0.075 / $0.5035%
Nemotron 3 Super$0.08 / $0.4537%
Gemma 3 27B$0.08 / $0.4537%

Questions

How much does GPT-4o-mini cost?

GPT-4o-mini lists at $0.15 per million input tokens and $0.60 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $0.54 per 1,000 requests.

What is the context window of GPT-4o-mini?

128,000 tokens.

Can a cheaper model replace GPT-4o-mini?

Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match GPT-4o-mini on one half of your requests and make at most three answers worse on the other.