Question 1

What is Granite 4.0 Micro?

Accepted Answer

Granite 4.0 Micro is a model from IBM, released on Oct 2, 2025. Granite-4.0-H-Micro is a 3B parameter from the Granite 4 family of models. These models are the latest in a series of models released by IBM. They are fine-tuned for long context tool calling.

Question 2

How much does Granite 4.0 Micro cost?

Accepted Answer

On the Respan gateway, input starts at $0.02 per 1M tokens on OpenRouter, and output starts at $0.11 per 1M tokens on OpenRouter, after gateway discounts.

Question 3

Which providers serve Granite 4.0 Micro on Respan?

Accepted Answer

Granite 4.0 Micro is served by OpenRouter.

Question 4

What is Granite 4.0 Micro's context window?

Accepted Answer

Granite 4.0 Micro accepts up to 131K tokens of context.

Question 5

How do I use Granite 4.0 Micro with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "granite-4.0-h-micro". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

How fast is Granite 4.0 Micro?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was OpenRouter at 14 tokens per second, and the lowest response latency was 0.9 seconds on OpenRouter. Speed varies with request size and provider.

Granite 4.0 Micro

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