# GPT-5 mini API pricing

GPT-5 mini is an earlier OpenAI model, still sold. It costs $0.25 per million tokens it reads and $2 per million it writes, $0.688 on a mix of 3 read for each 1 written. OpenAI's newest models are GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna. Below are every price OpenAI lists for it, and what 8 everyday jobs cost a month on it.

- Page: https://tecyfy.com/prices/gpt-5-mini
- Maker: OpenAI

## Price per million tokens, in US dollars

| | Price |
| --- | --: |
| Input | $0.25 |
| Cached input | $0.025 |
| Cache write | not listed |
| Output | $2 |
| Blend, 3 read for each 1 written | $0.688 |
| Batch input | $0.125 |
| Batch output | $1 |
| Context window, tokens | 400K |
| Longest answer, tokens | 128K |
| Capability score (Epoch Capabilities Index; GPT-5 is 150) | 145 |

## What 8 everyday jobs cost a month

Each job at its usual runs a day, for 30 days, at the standard price.

| Job | Tokens in, out, runs a day | A run | A month |
| --- | --- | --: | --: |
| A chat question | 300, 500, 100 | 0.11 cents | $3.23 |
| A hard question, with thinking | 300, 1,400, 100 | 0.29 cents | $8.63 |
| A long report, summarised | 60,000, 2,000, 20 | 1.9 cents | $11.40 |
| A 40-turn agent task | 2,800,000, 40,000, 10 | 21 cents | $63.90 |
| A support bot's reply | 4,000, 300, 2,000 | 0.11 cents | $69.00 |
| Sort a message into a category | 250, 5, 50,000 | 0.0073 cents | $109 |
| Read an invoice into fields | 1,500, 250, 1,000 | 0.088 cents | $26.25 |
| Review a pull request | 25,000, 4,500, 50 | 1.5 cents | $22.88 |

## Cheaper models that score as well as GPT-5 mini

- [Claude Haiku 5.5](https://tecyfy.com/prices/claude-haiku-5-5.md), Anthropic: $0.20 per million at 3:1, score 159
- [GPT-6 Luna](https://tecyfy.com/prices/gpt-6-luna.md), OpenAI: $0.20 per million at 3:1, score 156
- [DeepSeek V4.1 Flash](https://tecyfy.com/prices/deepseek-flash.md), DeepSeek: $0.525 per million at 3:1, score 156

## Questions

### How much does GPT-5 mini cost?

GPT-5 mini costs $0.25 per million input tokens, the text it reads, and $2 per million output tokens, the text it writes, thinking included. On a mix of 3 tokens read for each 1 written, that is $0.688 per million.

### How much does cached input cost on GPT-5 mini?

Text GPT-5 mini reads again from the cache costs $0.025 per million tokens, against $0.25 the first time. OpenAI lists no separate price for writing to the cache.

### Does GPT-5 mini have a batch price?

Yes. With a batch, where you send many requests and collect the answers later instead of at once, GPT-5 mini costs $0.125 per million tokens read and $1 per million written.

### What is the context window of GPT-5 mini?

GPT-5 mini holds 400K tokens at once, about 600 pages of English text, and writes up to 128K tokens in one answer. The window holds your instructions, the files you attach, the conversation so far and the answer.

### How good is GPT-5 mini?

GPT-5 mini scores 145 on the Epoch Capabilities Index, an independent score from Epoch AI that combines over 50 benchmarks, with a range of doubt from 144 to 147 (GPT-5 is 150). One score is an average; test it on 10 tasks of your own.

### Is there a cheaper model as good as GPT-5 mini?

Claude Haiku 5.5 from Anthropic scores 159 on the Epoch Capabilities Index, about as well or better, and costs $0.20 per million on a mix of 3 tokens read for each 1 written: GPT-5 mini costs 3.4 times as much. Test both on your own work before you switch.

### Should I still use GPT-5 mini?

It is still sold, so it keeps working, but OpenAI's newest models are GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna. Compare its price with theirs below, and run your own tasks on the newer model before you move.

### What does a support bot cost a month on GPT-5 mini?

At 2,000 replies a day, each reading 4,000 tokens (50 percent of them from cache) and writing 300, a support bot costs 0.11 cents a reply on GPT-5 mini, $69.00 a month.

### What does an AI agent task cost on GPT-5 mini?

One 40-turn task that reads 2,800,000 tokens in all, 90 percent of them from cache, and writes 40,000, costs 21 cents on GPT-5 mini. At 10 tasks a day that is $63.90 a month.

## Sources

- [OpenAI: API prices](https://developers.openai.com/api/docs/pricing)
- [Epoch Capabilities Index, by Epoch AI (CC BY 4.0)](https://epoch.ai/benchmarks/eci)
- Every model's prices as [JSON](https://tecyfy.com/prices.json) or [CSV](https://tecyfy.com/prices.csv), free to use

## Compare

- [GPT-5 mini vs GPT-6 Astra](https://tecyfy.com/prices/compare/gpt-5-mini-vs-gpt-6-astra.md)
- [GPT-5 mini vs GPT-6.1 Sol](https://tecyfy.com/prices/compare/gpt-5-mini-vs-gpt-6-1-sol.md)
- [GPT-5 mini vs GPT-6 Luna](https://tecyfy.com/prices/compare/gpt-5-mini-vs-gpt-6-luna.md)

## OpenAI's other models

- [GPT-6 Astra](https://tecyfy.com/prices/gpt-6-astra.md)
- [GPT-6.1 Sol](https://tecyfy.com/prices/gpt-6-1-sol.md)
- [GPT-6 Luna](https://tecyfy.com/prices/gpt-6-luna.md)
- [GPT-6 Sol](https://tecyfy.com/prices/gpt-6-sol.md)
- [GPT-5.6 Sol](https://tecyfy.com/prices/gpt-5-6-sol.md)
- [GPT-5.6 Terra](https://tecyfy.com/prices/gpt-5-6-terra.md)
- [GPT-5.6 Luna](https://tecyfy.com/prices/gpt-5-6-luna.md)
- [GPT-5.5](https://tecyfy.com/prices/gpt-5-5.md)
- [GPT-5.5 pro](https://tecyfy.com/prices/gpt-5-5-pro.md)
- [GPT-5.4](https://tecyfy.com/prices/gpt-5-4.md)
- [GPT-5.4 mini](https://tecyfy.com/prices/gpt-5-4-mini.md)
- [GPT-5.4 nano](https://tecyfy.com/prices/gpt-5-4-nano.md)
- [GPT-5.4 pro](https://tecyfy.com/prices/gpt-5-4-pro.md)
- [GPT-5.2](https://tecyfy.com/prices/gpt-5-2.md)
- [GPT-5.2 pro](https://tecyfy.com/prices/gpt-5-2-pro.md)
- [GPT-5.1](https://tecyfy.com/prices/gpt-5-1.md)
- [GPT-5](https://tecyfy.com/prices/gpt-5.md)
- [GPT-5 nano](https://tecyfy.com/prices/gpt-5-nano.md)
- [GPT-5 pro](https://tecyfy.com/prices/gpt-5-pro.md)
- [GPT-4.1](https://tecyfy.com/prices/gpt-4-1.md)
- [GPT-4.1 mini](https://tecyfy.com/prices/gpt-4-1-mini.md)
- [GPT-4.1 nano](https://tecyfy.com/prices/gpt-4-1-nano.md)
- [GPT-4o](https://tecyfy.com/prices/gpt-4o.md)
- [GPT-4o (2024-05-13)](https://tecyfy.com/prices/gpt-4o-2024-05-13.md)
- [GPT-4o mini](https://tecyfy.com/prices/gpt-4o-mini.md)
- [o1](https://tecyfy.com/prices/o1.md)
- [o1-pro](https://tecyfy.com/prices/o1-pro.md)
- [o3-pro](https://tecyfy.com/prices/o3-pro.md)
- [o3](https://tecyfy.com/prices/o3.md)
- [o4-mini](https://tecyfy.com/prices/o4-mini.md)
- [o3-mini](https://tecyfy.com/prices/o3-mini.md)
- [GPT-4 Turbo (2024-04-09)](https://tecyfy.com/prices/gpt-4-turbo-2024-04-09.md)
- [GPT-4 (0613)](https://tecyfy.com/prices/gpt-4-0613.md)
- [GPT-3.5 Turbo](https://tecyfy.com/prices/gpt-3-5-turbo.md)
- [GPT-3.5 Turbo (0125)](https://tecyfy.com/prices/gpt-3-5-turbo-0125.md)
- [GPT-3.5 Turbo (1106)](https://tecyfy.com/prices/gpt-3-5-turbo-1106.md)
- [GPT-3.5 Turbo Instruct](https://tecyfy.com/prices/gpt-3-5-turbo-instruct.md)
- [davinci-002](https://tecyfy.com/prices/davinci-002.md)
- [babbage-002](https://tecyfy.com/prices/babbage-002.md)