GLM-4.5-Air

zhipuai· 2025-07-28· 131K ctx· mit

open weightstool callstructured quant: unknown

spread (output)

3.8×

$0.291 – $1.10 · 19 providers

19 providers priced

Provider	Input	Output	Cache rd	Blended
ZenMuxtiered relay router	$0.117	$0.291	$0.023	$0.073
submodel relay router	$0.100	$0.500	—	$0.136^*
NanoGPT relay router	$0.120	$0.800	$0.060	$0.144
NanoGPT relay router	$0.120	$0.800	$0.060	$0.144
Hugging Face relay router	$0.130	$0.850	—	$0.196^*
Kilo Gateway relay router	$0.130	$0.850	$0.025	$0.129
DevPass (LLM Gateway) relay router	$0.130	$0.850	$0.025	$0.129
LLM Gateway relay router	$0.130	$0.850	$0.025	$0.129
NovitaAI relay router	$0.130	$0.850	$0.025	$0.129
OpenRouter unknown	$0.130	$0.850	$0.025	$0.129
SiliconFlow (China) relay router	$0.140	$0.860	—	$0.206^*
SiliconFlow relay router	$0.140	$0.860	—	$0.206^*
LLM Gateway relay router	$0.200	$1.10	$0.030	$0.174
Vercel AI Gateway unknown	$0.200	$1.10	$0.030	$0.174
Z.AI relay router	$0.200	$1.10	$0.030	$0.174
Merge Gateway unknown	$0.200	$1.10	$0.030	$0.174
Zhipu AI first party lab	$0.200	$1.10	$0.030	$0.174
Impossibl relay router	$0.200	$1.10	$0.030	$0.174
OrcaRouter relay router	$0.200	$1.10	$0.030	$0.174

Cheapest (output)

ZenMux

$0.291 /M

opencode.json

{
  "provider": {
    "zenmux": {
      "npm": "@ai-sdk/openai-compatible",
      "options": {
        "baseURL": "https://zenmux.ai/api/v1"
      },
      "models": {
        "z-ai/glm-4.5-air": {}
      }
    }
  }
}

Set ZENMUX_API_KEY in your environment. Generated — verify against the OpenCode docs.

Output $/M over time7-day preview

Median line, min–max band. Pre-2026-09 points are catalog-recorded dates from models.dev git history, not provider effective dates.

Full price history & dynamics

This is a 7-day preview. Sign in for 30 days free; the full series and export are the API subscription.

Data: models.dev (MIT), snapshot 2026-09-20. Prices are vendor-published; verify before purchase. Methodology.