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GLM 5.3

glm-5.3

Open-weight frontier model for complex coding and long-horizon agentic work

Intelligence
44.8
Context
1.04M
Training cutoff
--
Added
2026-10-15

Providers

2 routes serve GLM 5.3, in the order requests are offered to them. Every figure is measured on its own route; where one has too little traffic in the selected window, it names what it is based on rather than borrowing the model's number.

Fireworks AI primary

accounts/fireworks/models/glm-5p3

Uptime100.0%
Input / 1M
$1.40
Output / 1M
$4.40
TTFT
-- no requests yet
Output rate
-- needs live traffic
1.04M context 131,072 max output cache $0.26 read / $1.40 write per 1M ZDR Retention None Training No Provider terms, reviewed 2026-10-13warming · 30m
Together AI failover 1

zai-org/GLM-5.3

Uptime100.0%
Input / 1M
$1.40
Output / 1M
$4.40
TTFT
-- no requests yet
Output rate
-- needs live traffic
1.04M context 131,072 max output cache $0.26 read / $1.40 write per 1M ZDR Retention None Training No Provider terms, reviewed 2026-10-13warming · 30m

TTFT is the median time to the first visible answer token over real ModelRelay requests, with a fixed prompt standing in for models that have no traffic yet. Speed ranks by it. Intelligence is the Artificial Analysis Intelligence Index.