GLM 5.3 Fast

Updated Sep 11, 2026

glm1.0M context262k max outputreleased Aug 14, 2026Open weightsReasoningTool calling

Cheapest input

$2.1

Cheapest output

$6.6

Official

—

output per 1M tokens

Providers

offering this model

Spread

1.0×

max / min output

Offers

Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.

Provider	1M input	1M output	1M cache read	1M cache write	Context
Basetenopen	Cheapest$2.1	Cheapest$6.6	—	—	1.0M
Fireworks AIopen	$2.1	$6.6	$0.39	—	1.0M
Vercel AI Gatewayopen	$2.1	$6.6	$0.21	—	1.0M