Ways to buy 3
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 OpenAI APIThe lab's own API · cached $0.075 | $0.15 | $0.6 | $0.15 / $0.6List price | $0.075 | List price |
 Azure AI FoundryDefault region · cached $0.075 | $0.15 | $0.6 | $0.15 / $0.6Same as list | $0.075 | Same as list |
| Azure AI Foundry swedencentral · cached $0.083 | $0.165 | $0.66 | $0.165 / $0.66+10% vs list | $0.083 | +10% vs list |
USD per 1M tokens; batch $0.075 in, $0.3 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $27.00 direct.
Helicone$27.00+0%
Kong AI Gateway$27.00+0%
LiteLLM$27.00+0%
Vercel AI Gateway$27.00+0%
Cloudflare AI Gateway$28.35+5%
Requesty$28.35+5%
Eden AI$28.48+5.5%
OpenRouter$28.48+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| GPT-6 Luna OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex) | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1.05M | $0.1 on OpenAI (flex) | · |
| GPT-6 Luna Pro OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex) | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1.05M | $0.1 on OpenAI (flex) | · |
| GPT-6 Sol OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
| GPT-6 Sol Pro OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
 DeepSeek V4.1 FlashDeepSeek · 1MCheapest: $0.131 on Morph | $0.15 | $0.6 | $0.15 / $0.6 | $0.262 | 1M | $0.131 on Morph | · |
 Gemini 3.1 Flash LiteGoogle · 1MCheapest: $0.281 on Google Vertex AI (global-flex) | $0.25 | $1.5 | $0.25 / $1.5 | $0.563 | 1M | $0.281 on Google Vertex AI (global-flex) | · |
| Gemini 3.1 Flash Lite Preview Google · 1MCheapest: $0.281 on Google Gemini API (flex) | $0.25 | $1.5 | $0.25 / $1.5 | $0.563 | 1M | $0.281 on Google Gemini API (flex) | · |
 Qwen3.8 Omni FlashQwen (Alibaba) · 1M | $0.15 | $0.47 | $0.15 / $0.47 | $0.23 | 1M | Lab list price | · |
About GPT-4o-mini
GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs.
Takes text, image, files in and returns text. First listed Sep 5, 2024. Up to 16K output tokens. Blended price $0.262 per 1M tokens at 3 input to 1 output. Model id gpt-4o-mini.
Price history
List price since Sep 5, 2024, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
| Seen | Model | Old price | New price | Change |
|---|---|---|---|---|
| Apr 10, 2025 | GPT-4o-miniCached input Free to $0.075 | Cached input Free | Cached input $0.075 |
Questions
How much does GPT-4o-mini cost?
$0.15 per million input tokens and $0.6 per million output tokens, with cached input at $0.075, or $0.075 and $0.3 through the Batch API.
What is the context window of GPT-4o-mini?
128K tokens, with up to 16K tokens of output.
Where is GPT-4o-mini cheapest?
Of 3 routes tracked, Azure AI Foundry is cheapest at $0.15 input and $0.6 output per million tokens.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.