z-ai/glm-5.3-primeGLM 5.3 Prime is Z.ai’s AI model, released Sep 23, 2026. It costs $2.80/M input and $8.80/M output tokens, and handles a 1M-token context window.
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.
Scores on standardized evaluations. Higher is better — and rank shows where GLM 5.3 Prime lands among all models tracked on Model Beat.
No standardized benchmark scores from Epoch AI yet — common for very recent, image, or niche models. Scores appear here once published.
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.
GLM 5.3 Prime is an AI model developed by Z.ai, released Sep 23, 2026.
GLM 5.3 Prime is served from $2.80 per million input tokens and $8.80 per million output tokens (cheapest credible provider on OpenRouter: Alibaba).
GLM 5.3 Prime supports a context window of up to 1M tokens.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Sep 24, 2026.