StarAPI

glm-5 vs glm-5.3-flash

	glm-5	glm-5.3-flash
Providers	Zhipu AI	Zhipu AI
Input $/M	$0.61	$0.12
Output $/M	$2.73	$0.42
Output multiplier	×4.50	×3.50
Context window	200K tokens	1M tokens
Intelligence index	—	46.2
Coding index	—	71.5

What the numbers mean

glm-5.3-flash is roughly 5.0× cheaper on input than glm-5. If your workload passes the quality bar on the cheaper model, that gap compounds across every request; route to glm-5 deliberately rather than by default.

Tags: glm-5 — Chat, Reasoning, Coding · glm-5.3-flash — Chat, Reasoning, Coding, Vision

Code

from openai import OpenAI
client = OpenAI(base_url="https://starseaapi.com/v1", api_key="sk-...")

# glm-5
client.chat.completions.create(model="glm-5", messages=[{"role":"user","content":"Hi"}])

# glm-5.3-flash
client.chat.completions.create(model="glm-5.3-flash", messages=[{"role": "user", "content": "Hi"}])

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