Inkling Small

Thinking MachinesMCP Tool CallReasoning

thinkingmachines/inkling-smallOpen Weights

Multimodal MoE reasoning model (276B total, 12B active) for text, image, and audio

Benchmark Pricing$0.30 / 1M in$1.20 / 1M out$0.06 cache read

Context: 1,048,576 tokens•Max Output: 1,048,576 tokens•Released: 2026-07-30

TECHNICAL SPECIFICATIONS

Context Window1,048,5761M tokens

Max Output1,048,5761M tokens

LicenseApache-2.0Self-hostable

Input Modalities

TextVisionAudio

Function / Tool CallingSupported (MCP Ready)

Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Inkling Small natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.

MCP Context Window Recommendations

With a context capacity of 1,048,576 tokens, this model can handle extremely large MCP resource manifests, complete database schemas, and multiple active server tool definitions simultaneously without degradation.

API CALL INVOCATION EXAMPLE

// Example: Calling Inkling Small via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.THINKINGMACHINES_API_KEY,
});

const response = await client.chat.completions.create({
  model: "thinkingmachines/inkling-small",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);