OpenAI
gpt-5.5-pro API Pricing
OpenAI charges $30.00 per 1M input tokens and $180.00 per 1M output tokens. Verified 2026-06-11 against the official OpenAI pricing page.
Input / 1M tokens
$30.00
Output / 1M tokens
$180.00
Context window
Not published
What it costs to run
| Workload | Tokens | Cost |
|---|---|---|
| Single short call | 2K in, 500 out | $0.150 |
| Typical chat turn | 10K in, 1K out | $0.480 |
| Long document pass | 100K in, 2K out | $3.36 |
| 1,000 chat turns | 10M in, 1M out | $480.00 |
Price history
No price move recorded for gpt-5.5-pro since tracking began on 2026-06-11. Every future change lands here with the before and after.
How it compares
Ranked on the blended cost of a typical chat turn (10K in, 1K out), not the input rate alone.
| OpenAI | o1 | $0.210 per turn |
| OpenAI | gpt-5-pro | $0.270 per turn |
| OpenAI | o3-pro | $0.280 per turn |
| OpenAI | gpt-4-0613 | $0.360 per turn |
| OpenAI | gpt-5.2-pro | $0.378 per turn |
| OpenAI | gpt-5.5-pro | $0.480 per turn |
| OpenAI | o1-pro | $2.10 per turn |
Head to head
Full cost breakdowns against the models gpt-5.5-pro is usually weighed against, including the workload shape where the cheaper option flips.
TechFastForward coverage of gpt-5.5-pro
What we wrote when this model, or the rest of its line, was news.
- Alibaba's Qwen 3.6-Plus Just Made the Closed-Weights Arms Race Look Obsolete2026-05-03
- OpenAI Kills Astra Launch Over Critical Hacking Risk2026-08-09
- OpenAI GPT-5.6 Sol Launches with 68 Percent Fewer Errors2026-08-09
- OpenAI Cuts ChatGPT Limits for 1 Billion Free Users2026-08-08
- OpenAI Sol Wins Commerce Clearance, Beats Anthropic2026-07-14
- OpenAI GPT-5.6 Cuts Frontier Model Costs 67 Percent2026-07-12
Free JSON API
Every tracked model, including this one, is available as JSON. Free to use with attribution and a link back.
curl https://techfastforward.com/api/data/llm-pricingMaintained by Jordan Hale, TechFastForward. Prices are read daily from the official provider page and recorded only when they move. See every tracked model on the LLM API Pricing Tracker.