GPT 5.5
OpenAI • API Price Comparison
GPT 5.5 is a large language model by OpenAI with a 1.1M-token context window. Across the 4 API channels tracked here, input pricing ranges from $0.35–$5.00 per 1M input tokens (USD-normalized); the cheapest is XiuRouter at $0.35 per 1M input tokens. Channels reachable from mainland China without a VPN include XycAi. It is also available through subscription plans such as ChatGPT Free, ChatGPT Enterprise, ChatGPT Go, ChatGPT Plus. Its Agent Arena net-improvement score is approximately 5.0%. Prices are collected daily from official provider pages and every tracked channel, then cross-checked by a data-accuracy audit.
Model performance benchmarks
Scores retain their original benchmark, version and metric. We do not combine them into a site-wide score; results from different versions are not directly comparable.
💳 Subscription Plans
Access gpt-5.5 through these plans, grouped by product line.
💬 Chat subscriptions
7 plansMonthly access to the assistant apps and their model line-up.
Which plan is right for you?
Free: Best for trying out gpt-5.5 with basic usage
Pro: Ideal for individual professionals with regular usage needs
Team: Perfect for teams needing collaboration and centralized billing
| Usage Level | Tokens/Month | XiuRouter | XycAi | Azure OpenAI | OpenRouter |
|---|---|---|---|---|---|
| 🐣 Light | 0.1M in + 0.1M out | $0.14 | $0.29 | $2.00 | $2.00 |
| 📊 Medium | 1.0M in + 0.5M out | $1.40 | $2.86 | $20.00 | $20.00 |
| 🚀 Heavy | 10.0M in + 5.0M out | $14.00 | $28.60 | $200.00 | $200.00 |
| 🏢 Enterprise | 100.0M in + 50.0M out | $140.00 | $286.00 | $2,000.00 | $2,000.00 |
Frequently asked questions about gpt-5.5
What is the cheapest API provider for GPT 5.5?
Of the channels tracked here, XiuRouter is the cheapest at $0.35 per 1M input tokens and $2.10 per 1M output tokens (about $0.35 per 1M input). Confirm on the provider's page; figures are updated daily.
Can I use GPT 5.5 from mainland China?
Yes — these channels are directly reachable from mainland China without a VPN: XycAi. Domestic channels generally support Alipay/WeChat Pay.
What is the context window of GPT 5.5?
GPT 5.5 offers a 1,050,000-token context window.
Which subscription plans include GPT 5.5?
GPT 5.5 is included in these plans: ChatGPT Free, ChatGPT Enterprise, ChatGPT Go, ChatGPT Plus, ChatGPT Team, ChatGPT Business. Open a plan for full tier and annual-pricing details.
How often are GPT 5.5 prices updated, and how reliable is the data?
Prices are scraped daily from official pricing pages and every tracked channel, with every significant change recorded in a price-history log. A daily read-only data audit cross-checks each channel against the model producer's published price and flags stale or inconsistent rows for correction.