How is Stheno 8b billed?

Input is $0.261 and output is $0.261 per million tokens; cached input is $0.130. The charge for every request is listed in Usage Logs in the console.

How long is the context window?

16K 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.

Meta: Stheno 8b

l3-8b-stheno-v3.2

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Stheno 8b costs $0.261 per million input tokens and $0.261 per million output tokens, supports 16K context, and is available through the OpenAI-compatible API.

Latest Stheno fine-tune optimized for instruction following.

Modalities

Text → Text

Input / output price

$0.261 / $0.261 per 1M

Context

16K · max output 8K

Capabilities

RoleplayOpen weights

Pricing

Billed per token actually used and deducted from your credits.

Item	USD per 1M tokens
Input	$0.261
Output	$0.261
Cached input	$0.130

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: $0.00099
Per day: $0.4955
Per month (30 days): $14.87

Stheno 8b: input $0.2608/M · output $0.2608/M · cached input $0.1304/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": "l3-8b-stheno-v3.2", "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 l3-8b-stheno-v3.2.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "l3-8b-stheno-v3.2",
    "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 Stheno 8b billed?: Input is $0.261 and output is $0.261 per million tokens; cached input is $0.130. The charge for every request is listed in Usage Logs in the console.
How long is the context window?: 16K 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