Thinking Machines: Inkling Small

inkling-small

Inkling Small costs $0.585 per million input tokens and $1.56 per million output tokens, supports 524K context, and is available through the OpenAI-compatible API.

The direct-answer version of Thinking Machines' 276B-parameter open-weights multimodal Mixture-of-Experts model with 12B active parameters. It accepts text and images, and is designed for coding, tool use, instruction following, and general conversational work.

Modalities

Text + Image + Audio → Text

Input / output price

$0.585 / $1.56 per 1M

Context

524K · max output 33K

Capabilities

VisionTool callingLong contextOpen weights

Pricing

Billed per token actually used and deducted from your credits.

ItemUSD per 1M tokens
Input$0.585
Output$1.56
Cached input$0.130

Calculator

Drag the sliders to estimate what this model will cost.

Per request
$0.00300
Per day
$1.50
Per month (30 days)
$45.05

Inkling Small: input $0.585/M · output $1.56/M · cached input $0.13/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": "inkling-small", "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 inkling-small.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "inkling-small",
    "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 Inkling Small billed?
Input is $0.585 and output is $1.56 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?
524K 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.
Inkling Small API pricing · GeniusRelay