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GLM 5.3 Flash

glm-5.3-flash

Open-weight sparse MoE model for efficient coding and long-horizon agentic work

Intelligence
41.8
Context
1.04M
Training cutoff
--
Added
2026-08-29
Inputs
Vision

Providers

3 routes serve GLM 5.3 Flash, 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-flash

Uptime98.1%

0% errors · 96 calls

Input / 1M
$0.15
Output / 1M
$0.50
TTFT
1.47s p90 6.00s
Output rate
33.4 tok/s
1.04M context 131,072 max output cache $0.029 read / $0.15 write per 1M Vision ZDRn=63 · 30m
Together AI failover 1

zai-org/GLM-5.3-Flash

UptimeNo data
Input / 1M
$0.15
Output / 1M
$0.50
TTFT
-- no requests yet
Output rate
-- needs live traffic
1.04M context 131,072 max output cache $0.03 read / $0.15 write per 1M Vision ZDRwarming · 30m
NEAR AI failover 2

z-ai/glm-5.3-flash

UptimeNo data
Input / 1M
$0.075
Output / 1M
$0.25
TTFT
-- no requests yet
Output rate
-- needs live traffic
1.04M context 131,072 max output cache $0.015 read / $0.075 write per 1M Visionwarming · 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.