How much does GLM 5.3 Prime cost?

On the Respan gateway, input starts at $2.80 per 1M tokens on OpenRouter, and output starts at $8.80 per 1M tokens on OpenRouter, after gateway discounts.

Which providers serve GLM 5.3 Prime on Respan?

GLM 5.3 Prime is served by OpenRouter.

What is GLM 5.3 Prime's context window?

GLM 5.3 Prime accepts up to 1M tokens of context.

How do I use GLM 5.3 Prime with the Respan gateway?

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "glm-5.3-prime". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

GLM 5.3 Prime

GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token...