openai
OpenAI: GPT-4.1 Mini API Pricing
OpenAI: GPT-4.1 Mini costs $0.400 per 1M input tokens and $1.60 per 1M output tokens (cache reads: $0.100). Context window: 1.0M. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$0.400
Output / 1M tokens
$1.60
Context window
1.0M
Max output
33K
What would OpenAI: GPT-4.1 Mini cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $9.60 |
| Coding agent | 5,000 | 8,000 / 2,000 | $32.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $72.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $19.20 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: GPT-4.1 Mini
GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost. It retains a 1 million token context window and scores 45.1% on hard...
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Official resources
- OpenAI: GPT-4.1 Mini on OpenRouter β live endpoint, pricing source of record.
- Get an OpenRouter API key β β one key, every model including Mini. Free credits on signup.
- Shred your current bill β paste a CSV and see if switching saves money.