GPT-5.5 Pro pricing
GPT-5.5 Pro costs $30.00 per 1M input tokens and $180.00 per 1M output tokens as of October 2026. Tracked daily since 25 July 2026 across 93 snapshots.
Current rates
- Input: $30.00 per 1M tokens
- Output: $180.00 per 1M tokens
- Cached input: $30.00 per 1M tokens
- Context window: 1,000,000 tokens
No price movement recorded for GPT-5.5 Pro over the tracked period — the rate has held steady.
Cheaper alternatives to GPT-5.5 Pro
Ranked by blended cost assuming a 3:1 input-to-output ratio, which is typical of chat and agent workloads. Only currently callable models with a comparable context window are listed.
| Model | Input / 1M | Output / 1M | Cheaper by |
|---|---|---|---|
| Claude Fable 5.1 | $10.00 | $50.00 | 70% |
| GPT-6 Astra | $10.00 | $50.00 | 70% |
| Kimi K3 | $3.00 | $15.00 | 91% |
| Gemini 3.1 Pro | $2.00 | $12.00 | 93% |
| Grok 4.7 | $2.00 | $6.00 | 96% |
Cite this data
Free to reuse under CC BY 4.0 with a link back.
Text
YemHub (2026). GPT-5.5 Pro API pricing history. YemHub AI Pricing Index. Retrieved 26 October 2026, from https://yemhub.com/price-history/gpt-5-5-pro/
BibTeX
@misc{yemhub2026gpt55proapipricinghistory,
author = {{YemHub}},
title = {GPT-5.5 Pro API pricing history},
year = {2026},
howpublished = {\url{https://yemhub.com/price-history/gpt-5-5-pro/}},
note = {YemHub AI Pricing Index, accessed 2026-10-26}
}