GPT-5.5 API price, and what each result really costs
OpenAI, listed 24 Apr 2026. Price checked 12 Nov 2026; unchanged since we started tracking it. Source: OpenAI's pricing page. openai/gpt-5.5
List price per million tokens
- Input
- $5.00
- Cached input
- $0.50
- Output
- $30.00
- Context window
- 1.05M tokens
Note: Long context (>272K input tokens): $10 in / $1 cached / $45 out.
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 | $24.00 | $30.00 | $40.00 | $60.00 |
| Invoice field extraction2,500 in / 250 out | $20.00 | $25.00 | $33.33 | $50.00 |
| Lead scoring1,200 in / 100 out | $9.00 | $11.25 | $15.00 | $22.50 |
| Email reply draft1,500 in / 400 out | $19.50 | $24.38 | $32.50 | $48.75 |
| Translation900 in / 800 out | $28.50 | $35.63 | $47.50 | $71.25 |
| Search re-ranking4,000 in / 50 out | $21.50 | $26.88 | $35.83 | $53.75 |
Work out your own real cost per resultTest GPT-5.5 on your own prompt
Compare GPT-5.5 with
- GPT-5.6 Sol$4.00 in / $20.00 outSwitch cost
- GPT-5.6 Terra$2.00 in / $12.00 outSwitch cost
- Claude Opus 5$5.00 in / $25.00 outSwitch cost
- Claude Opus 5.5$4.00 in / $20.00 outSwitch cost
- Claude Fable 5.2$8.00 in / $40.00 outSwitch cost
Questions
How much does the GPT-5.5 API cost?
$5.00 per million input tokens and $30.00 per million output tokens, or $0.50 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-5.5?
A support bot answer (about 3,000 tokens in, 300 out) costs $0.024 per try. If 6 in 10 work first time, each answer that works really costs $0.04, because the redone ones were paid for too.