Granite-4.0-H-Small

IbmMCP Tool Call

ibm/granite-4-h-smallOpen Weights

Open-weight hybrid model for enterprise chat, coding, retrieval-augmented generation, and tool-calling workloads

Benchmark Pricing$0.06 / 1M in$0.27 / 1M out

Context: 131,072 tokens•Max Output: 131,072 tokens•Released: 2025-10-02

TECHNICAL SPECIFICATIONS

Context Window131,072131.1K tokens

Max Output131,072131.1K tokens

LicenseOpen SourceSelf-hostable

Input Modalities

Text

Function / Tool CallingSupported (MCP Ready)

Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Granite-4.0-H-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 131,072 tokens, this model can handle moderately large MCP tool definitions and multi-turn conversation logs comfortably.

API CALL INVOCATION EXAMPLE

// Example: Calling Granite-4.0-H-Small via OpenAI SDK
import OpenAI from "openai";

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

const response = await client.chat.completions.create({
  model: "ibm/granite-4-h-small",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

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