How much does the GPT-4o mini API cost?

GPT-4o mini costs $0.15 per million input tokens and $0.6 per million output tokens, with cached input at $0.07 per million. A workload of 10M input and 1.5M output tokens per month costs about $2.40.

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

GPT-4o mini supports a context window of 128,000 tokens (128K), with up to 16K output tokens per response.

Is GPT-4o mini open source?

No — GPT-4o mini is a proprietary model available through OpenAI's API and partner platforms.

What are the best alternatives to GPT-4o mini?

The closest alternatives by overall capability are Qwen3-Max, Gemini 3 Pro, Gemini 2.5 Pro, DeepSeek V3.2. See the comparison pages for detailed head-to-head breakdowns.

GPT-4o mini

Name: GPT-4o mini
Price: 0.15 USD
Author: OpenAI

OpenAI·Jul 2024proprietary

GPT-4o mini was for over a year the default cheap model of the industry, and an enormous amount of deployed software still calls it. Capability-wise it has been clearly overtaken by GPT-5 nano (cheaper) and GPT-5 mini (smarter) — but it earns its place in any catalog as the baseline that newer budget models are measured against.

Benchmark results

No verified benchmark results tracked yet for GPT-4o mini. This page is updated as official evaluations are published.

Where it shines

Massive installed base and community knowledge
Decent vision support at a low price
Drop-in upgrade path to GPT-5 mini

Alternatives to GPT-4o mini

Qwen3-Max

Alibaba's trillion-parameter API flagship — frontier-adjacent quality with strong agentic tool use at mid-tier prices.

Gemini 3 Pro

Google's November 2025 frontier breakout — 91.9% GPQA Diamond and 37.5% HLE made it the reasoning leader of its generation.

Gemini 2.5 Pro

Google's 2025 workhorse flagship — first mainstream thinking model with a 1M context, still widely deployed.

DeepSeek V3.2

The sparse-attention release that halved DeepSeek's already-lowest-in-class prices while keeping GPT-class quality.

Frequently asked questions

How much does the GPT-4o mini API cost?: GPT-4o mini costs $0.15 per million input tokens and $0.6 per million output tokens, with cached input at $0.07 per million. A workload of 10M input and 1.5M output tokens per month costs about $2.40.
What is the context window of GPT-4o mini?: GPT-4o mini supports a context window of 128,000 tokens (128K), with up to 16K output tokens per response.
Is GPT-4o mini open source?: No — GPT-4o mini is a proprietary model available through OpenAI's API and partner platforms.
What are the best alternatives to GPT-4o mini?: The closest alternatives by overall capability are Qwen3-Max, Gemini 3 Pro, Gemini 2.5 Pro, DeepSeek V3.2. See the comparison pages for detailed head-to-head breakdowns.