GPT-4o-mini API pricing
As of October 22, 2026, OpenAI GPT-4o-mini costs $0.15 per million input tokens and $0.60 per million output tokens on OpenAI's own API, with cached input at $0.075 per million.
GPT-4o-mini benchmarks and specs · Every OpenAI model's price
- Input, per million tokens$0.15
- Output, per million tokens$0.60
- Cached input, per million$0.075
- Context window128K tokens
- Max output16K tokens
- Output speedNot measured
What a request costs
Three fixed token mixes at the list price, without cache or batch discounts. For a whole month, use the calculator.
| Workload | Tokens | One request | 1,000 requests | Fits the context window |
|---|---|---|---|---|
| Chat turn | 1K input + 500 output tokens | $0.0004 | $0.450 | Yes |
| Repository review | 50K input + 3K output tokens | $0.0093 | $9.30 | Yes |
| Agent loop | 200K input + 10K output tokens | $0.036 | $36.00 | No, it would need splitting |
| Solved coding task | One SWE-bench Verified attempt, divided by the share that succeed | Not computable | Not computable |
Price history
We have read OpenAI's own price every day since October 21, 2026. It has not changed yet; any change will be listed here with its date.
- October 21, 2026 First recorded: $0.15 input, $0.60 output
Cheaper models as good as GPT-4o-mini
GPT-4o-mini has no overall or coding score, so we make no quality claim against it.
GPT-4o-mini pricing questions
- How much does GPT-4o-mini cost per million tokens?
- $0.15 per million input tokens and $0.60 per million output tokens, as listed on OpenRouter on October 22, 2026.
- Does GPT-4o-mini support prompt caching?
- Yes. OpenRouter lists cached input at $0.075 per million tokens, against $0.15 for uncached input.
- Has the price of GPT-4o-mini changed?
- Not since we started recording it daily on October 21, 2026.