GPT-5.5
GPT-5.5 by OpenAI. Official list price: $5 per 1M input and $30 per 1M output tokens.
Official price benchmark
USD per 1M tokens
- input
- $5.00
- output
- $30.00
- cache read
- $0.500
Your budget
Input:output ratio · Similar amounts of input and output
Purchasing power ranking
$100 · GPT-5.5 · Balanced
Best price
Clidex
−95%
providers
4
max −95%
Purchasing power ranking
The provider's published prices next to the vendor's official list.
| # | Provider | Input | Output | Cache | Uptime | Latency | Score | Tokens for budget | Save |
|---|---|---|---|---|---|---|---|---|---|
| — | Official price | $5.00 | $30.00 | $0.500 | — | — | — | 5.71M | 0% |
| 1 | Clidexoperational · Nov 11, 2026 | $0.250 | $1.50 | $0.025 | 100.0% | 1.31 s | 88 | 114M | −95% |
| 2 | RunAPIdegraded · Nov 11, 2026 | $0.300 | $1.80 | $0.030 | 90.5% | 1.03 s | 85 | 95.2M | −94% |
| 3 | Crazyrouterdown · Nov 11, 2026 | $0.750 | $4.50 | $0.075 | 47.6% | 1.34 s | 51 | 38.1M | −85% |
| 4 | Polza.aioperational · Nov 11, 2026 | $3.67 | $22.03 | $0.367 | 100.0% | 504 ms | 98 | 7.78M | −27% |
Some links on this site are partner links. They do not affect prices or ranking. Uptime and latency come from our own GET /models probes every 30 minutes, not a guarantee that the model is available.
Cost estimate
What one request and a month of traffic cost at the selected provider.
per request
$0
per month
$6.39
Clidex · −95% · 1.20K / 500
Other models
Frequently asked questions
Answers are generated from the live quotes.
We collect GPT-5.5 prices two ways: the official OpenAI list and quotes from providers our crawler checks daily. Providers in our catalogue sell GPT-5.5 at $0.250 in / $1.50 out (95% below the official list). Everything is normalised to a blended cost at a chosen input:output ratio, so “GPT-5.5 price per 1M tokens” means the same thing on every page.
What does the GPT-5.5 API cost?
The official OpenAI list price is $5.00 per 1M input tokens and $30 per 1M output tokens. Cached input is $0.500 per 1M tokens, 10× cheaper than the regular input.
How much does 1 million tokens of GPT-5.5 cost?
1M input tokens cost $5.00, 1M output tokens — $30. With a 1:1 input/output load a million tokens works out to about $18. Chatbots with long context push the blended price down; code generation pushes it up.
Where is the GPT-5.5 API cheapest?
Our measurements show Clidex as the cheapest: 95% below the official price. Quotes from 4 providers refresh daily — see the table above.
What is the GPT-5.5 context window?
The context window is 400K tokens. Some vendors raise the price above a context threshold — check the plan notes.
How do I check that a provider key works?
The free checker sends a GET request to your endpoint's model list and reports status and latency. The key is not stored server-side.