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
Tokemart
−94%
providers
9
max −94%
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 | Minimum top-up: $2· Nov 08, 2026 | $0.306 | $1.84 | $0.030 | 98.7% | 930 ms | 92 | 93.3M | −94% |
| 2 | Minimum top-up: $5· Nov 08, 2026 | $0.443 | $2.65 | $0.044 | 100.0% | 616 ms | 96 | 64.6M | −91% |
| 3 | Minimum top-up: ¥10· Nov 07, 2026 | $0.593 | $3.56 | $0.064 | 100.0% | 458 ms | 98 | 48.2M | −88% |
| 4 | Minimum top-up: $1· Nov 08, 2026 | $0.836 | $5.01 | $0.083 | 100.0% | 751 ms | 95 | 34.2M | −83% |
| 5 | Minimum top-up: ¥20· Nov 07, 2026 | $1.44 | $8.65 | $0.138 | 100.0% | 900 ms | 93 | 19.8M | −71% |
| 6 | Minimum top-up: $10· Nov 07, 2026 | $2.15 | $12.92 | $0.220 | 100.0% | 391 ms | 99 | 13.3M | −57% |
| 7 | Minimum top-up: $50· Nov 09, 2026 | $2.72 | $16.34 | $0.294 | 100.0% | 350 ms | 99 | 10.5M | −46% |
| 8 | Polza.aioperational · Nov 10, 2026 | $3.65 | $21.91 | $0.365 | 100.0% | 471 ms | 98 | 7.82M | −27% |
| 9 | Minimum top-up: $25· Nov 08, 2026 | $4.00 | $23.98 | $0.383 | 98.7% | 656 ms | 95 | 7.15M | −20% |
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
$7.83
Tokemart · −94% · 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 $0.306 in / $1.84 out (94% 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 Tokemart as the cheapest: 94% below the official price (sample listing). Quotes from 9 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.