TokenRate
OpenAI

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
Official pricing page ↗

Your budget

$100Budget

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.

#ProviderInputOutputCacheUptimeLatencyScoreTokens for budgetSave
—
Official price
$5.00$30.00$0.500———5.71M0%
1
SwiftRoutedemooperational
Minimum top-up: $5· Nov 08, 2026
$0.443$2.65$0.044100.0%616 ms9664.6M−91%
2
PromptPortdemooperational
Minimum top-up: ¥10· Nov 07, 2026
$0.593$3.56$0.064100.0%458 ms9848.2M−88%
3
ModelMilldemooperational
Minimum top-up: $1· Nov 08, 2026
$0.836$5.01$0.083100.0%751 ms9534.2M−83%
4
APIBridgedemooperational
Minimum top-up: ¥20· Nov 07, 2026
$1.44$8.65$0.138100.0%900 ms9319.8M−71%
5
FluxAPIdemooperational
Minimum top-up: $10· Nov 07, 2026
$2.15$12.92$0.220100.0%391 ms9913.3M−57%
6
RelayOnedemooperational
Minimum top-up: $50· Nov 09, 2026
$2.72$16.34$0.294100.0%350 ms9910.5M−46%
7
Polza.aioperational
· Nov 10, 2026
$3.65$21.91$0.365100.0%471 ms987.82M−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

$11.31

SwiftRoute · −91% · 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.