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GLM 5.3 Prime

zhipuai·zhipuai/glm-5.3-prime·GA·Closed·glm series·NEW
Flagship GLM model for hybrid reasoning, coding, and agentic engineering

Specs & pricing

Input / output per 1M tokens
Reference price·Kilo Gateway
$2.80 / $8.80
Blended $4.30 · Cache read $0.56
Lowest paid·OpenRouterGateway
$2.80 / $8.80
Blended $4.30 · 1× spread
Context
1,000,000
Output limit
131,072
Knowledge cutoff
—
Released / updated
2026-09-23 / 2026-09-23
Capabilities
✓ Reasoning✓ Tool useStructured output✓ TemperatureAttachments
Modalities
Text

Available at 2 providers2 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
OpenRouterGateway$2.80$8.80$0.56—1,000,000131,072
Kilo GatewayGateway$2.80$8.80$0.56—1,000,000131,072

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Reasoning control

effort = loweffort = higheffort = max

Your usage cost

1OpenRouter$731.20
2Kilo Gateway$731.20
The cheapest paid channel is the only channel.

Price historyone sample accumulated per data sync

Input list $2.80Output list $8.80Min blended $4.30

Price history accumulates from each data sync; currently only 1 sample(s) (2026-09-24). Each future sync adds a point, and once accumulated a line is drawn here.

Related models

GLM 5.3 Uncensoredsame series$1.25 / $2.25GLM 5.3 Flash Cybersecuritysame series$0.15 / $0.50GLM Latestsame series$1.79 / $8.94GLM-5.2cheaper alternative$1.40 / $4.40GLM-5.3-Flashcheaper alternative$0.15 / $0.50GLM-5.3cheaper alternative$1.40 / $4.40DeepSeek V4.1 Flashcheaper alternative$0.15 / $0.60
Data partly from models.dev (MIT) · Kilo Gateway official docs ↗