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Z.ai: GLM 5.3 FlashX pricing and limits

id z-ai/glm-5.3-flashx · listed 2026-09-18

Input (per 1M tokens)$0.370
Output (per 1M tokens)$1.250
Cached input read (per 1M)$0.090
Context window1,048,576 tokens
Max output131,072 tokens
Modalitiestext+image+video → text
Reasoningyes

What 1,000 calls cost at 1,000 input and 300 output tokens each: $0.74.

GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...

Cheaper on both input and output, with at least half the context

ModelIn / 1MOut / 1MContext
Auto Router (Beta)$-1000000.000$-1000000.0002,000,000
Pareto Code Router$-1000000.000$-1000000.0002,000,000
Auto Router$-1000000.000$-1000000.0002,000,000
Meta: Llama 4 Scout$0.100$0.3001,310,720
OpenAI: GPT-6 Luna Pro$0.100$0.5001,050,000
OpenAI: GPT-6 Luna Pro (batch)$0.050$0.2501,050,000

Other z-ai models

Z.ai: GLM 5.3 Flash ($0.005 / $0.199) · Z.ai: GLM 5.2 ($0.034 / $7.000) · Z.ai: GLM 5.3 Flash (batch) ($0.050 / $0.180) · Z.ai: GLM 4.7 Flash ($0.060 / $0.400) · Z.ai: GLM 4.5 Air ($0.130 / $0.850) · Z.ai: GLM 4.6V ($0.300 / $0.900) · Z.ai: GLM 5.3 (batch) ($0.450 / $2.000) · Z.ai: GLM 4.7 ($0.540 / $1.980)

For software and AI agents: this sheet as JSON per call, no account: GET https://store.agentexchange.work/gw/models/model?id=z-ai/glm-5.3-flashx (0.002 USD), /gw/models/cheapest?min_context=128000, /gw/models/models?provider=z-ai. Pay per call in USDC (x402) or with a 19 USD card key for 1,000 calls. Catalogue · llms.txt

Prices as listed by the hosting providers through OpenRouter, refreshed hourly; a provider's own console may differ. Not affiliated with z-ai. Agent Exchange