A cost-efficient step below GPT-5.5 — capable general reasoning, coding, and tool use for the bulk of production traffic that doesn't need the flagship.
Every rate is 50% of the provider's official list price. USD per million tokens.
| Token type | List price | Tokenless |
|---|---|---|
| Input | $2.50 | $1.25 |
| Output | $15.00 | $7.50 |
| Cache write | $2.50 | $1.25 |
| Cache read | $0.25 | $0.13 |
Tokenless speaks the OpenAI Chat Completions format. Point your client at the base URL, set model to gpt-5.4, and you are done.
curl https://api.tokenless.store/api/v1/chat/completions \
-H "Authorization: Bearer $TOKENLESS_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-5.4",
"messages": [{ "role": "user", "content": "Hello" }]
}'