GPT-5.4 mini API price, and what each result really costs
OpenAI, listed 17 Mar 2026. Price checked 12 Nov 2026; unchanged since we started tracking it. Source: OpenAI's pricing page. openai/gpt-5.4-mini
List price per million tokens
- Input
- $0.75
- Cached input
- $0.075
- Output
- $4.50
- Context window
- 400K tokens
What it costs per task, and per task that works
Six common task shapes with typical token counts. The real cost counts the tries that get redone; the rates are examples, not measurements.
| Task | Per 1,000 tries | Per 1,000 that work, 8 in 10 | Per 1,000 that work, 6 in 10 | Per 1,000 that work, 4 in 10 |
|---|---|---|---|---|
| Support bot answer3,000 in / 300 out | $3.60 | $4.50 | $6.00 | $9.00 |
| Invoice field extraction2,500 in / 250 out | $3.00 | $3.75 | $5.00 | $7.50 |
| Lead scoring1,200 in / 100 out | $1.35 | $1.69 | $2.25 | $3.38 |
| Email reply draft1,500 in / 400 out | $2.93 | $3.66 | $4.88 | $7.31 |
| Translation900 in / 800 out | $4.28 | $5.34 | $7.13 | $10.69 |
| Search re-ranking4,000 in / 50 out | $3.23 | $4.03 | $5.38 | $8.06 |
Work out your own real cost per resultTest GPT-5.4 mini on your own prompt
Compare GPT-5.4 mini with
- GPT-6.1 Terra$1.00 in / $5.00 outSwitch cost
- GPT-4.1 mini$0.40 in / $1.60 outSwitch cost
- Grok 4.3$1.25 in / $2.50 outSwitch cost
- Gemini 3.8 Flash$0.75 in / $3.75 outSwitch cost
- DeepSeek V4 Pro$1.32 in / $3.96 outSwitch cost
Questions
How much does the GPT-5.4 mini API cost?
$0.75 per million input tokens and $4.50 per million output tokens, or $0.075 per million for cached input. Price checked 12 Nov 2026; unchanged since we started tracking it.
What does a result that works really cost with GPT-5.4 mini?
A support bot answer (about 3,000 tokens in, 300 out) costs $0.0036 per try. If 6 in 10 work first time, each answer that works really costs $0.006, because the redone ones were paid for too.