z-ai

Z.ai: GLM 5.3 Prime

z-ai/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.

Context window: 1,000,000 tokens
Input: text
Output: text
Pricing: $2.8/M input tokens, $8.8/M output tokens

RuntimeWire Composite Index

Score: 97.1 — ranked #5 overall (1/4 evaluations covered). View full rankings.

RuntimeWire coverage

Head to head: Z.ai: GLM 5.3 Prime vs Anthropic: Claude Sonnet 5.5

View on OpenRouter. Model data sourced from OpenRouter.