How is Celeris 1 billed?

Input is $2.60 and output is $7.80 per million tokens; cached input is $1.30. The charge for every request is listed in Usage Logs in the console.

How long is the context window?

8K tokens. In a long conversation every turn is billed for the full input, so keep the history under control.

Does it support streaming?

Yes. Add "stream": true to the request to receive server-sent events in the OpenAI format.

Community: Celeris 1

celeris-1

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Celeris 1 costs $2.60 per million input tokens and $7.80 per million output tokens, supports 8K context, and is available through the OpenAI-compatible API.

Celeris 1 is a diffusion language model built for ultra-low-latency classification, extraction, judging, query rewriting, and other short structured responses.

Modalities

Text → Text

Input / output price

$2.60 / $7.80 per 1M

Context

8K · max output 8K

Capabilities

—

Pricing

Billed per token actually used and deducted from your credits.

Item	USD per 1M tokens
Input	$2.60
Output	$7.80
Cached input	$1.30

Calculator

Drag the sliders to estimate what this model will cost.

Input per request 3K tokensOutput per request 800 tokensRequests per day 500Cached input 0%(higher with long chats or a fixed system prompt)

Per request: $0.0140
Per day: $7.02
Per month (30 days): $210.60

Celeris 1: input $2.6/M · output $7.8/M · cached input $1.3/M

Request with these settings

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "celeris-1", "max_tokens": 800,
       "messages": [{"role": "user", "content": "…"}]}'

Code samples

OpenAI-compatible. Set the base URL to https://api.geniusrelaygpt.com/v1 and the model to celeris-1.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "celeris-1",
    "stream": true,
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Use it in a client: Cursor · Cline · SillyTavern · Codex

Parameters

Common OpenAI parameters can be passed as-is.

temperaturetop_pmax_tokensstreamstoppresence_penaltyfrequency_penaltyseed

FAQ

How is Celeris 1 billed?: Input is $2.60 and output is $7.80 per million tokens; cached input is $1.30. The charge for every request is listed in Usage Logs in the console.
How long is the context window?: 8K tokens. In a long conversation every turn is billed for the full input, so keep the history under control.
Does it support streaming?: Yes. Add "stream": true to the request to receive server-sent events in the OpenAI format.

Pricing

Calculator

Code samples

Parameters

Related models

FAQ