Ways to buy 2
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 Z.ai APIThe lab's own API · cached $0.56 | $2.8 | $8.8 | $2.8 / $8.8List price | $0.56 | List price |
 Qwen (Alibaba)Default region · cached $0.56 | $2.8 | $8.8 | $2.8 / $8.8Same as list | $0.56 | Same as list |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $456.00 direct.
Helicone$456.00+0%
Kong AI Gateway$456.00+0%
LiteLLM$456.00+0%
Vercel AI Gateway$456.00+0%
Cloudflare AI Gateway$478.80+5%
Requesty$478.80+5%
Eden AI$481.08+5.5%
OpenRouter$481.08+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| GLM 5.3 FlashX Z.ai · 1M | $0.37 | $1.25 | $0.37 / $1.25 | $0.59 | 1M | Lab list price | · |
| GLM 5.3 Flash Z.ai · 1.31M | $0.045 | $0.14 | $0.045 / $0.14 | $0.069 | 1.31M | on InferenceNet (fp4) | · |
| GLM 5.3 Z.ai · 1.31M | $0.561 | $1.76 | $0.561 / $1.76 | $0.862 | 1.31M | on Baidu (fp8) | · |
| GLM 5.2 Z.ai · 1M | $0.561 | $1.76 | $0.561 / $1.76 | $0.862 | 1M | on Baidu (fp8) | · |
 Claude Opus 5.5Anthropic · 1M | $4 | $20 | $4 / $20 | $8 | 1M | Lab list price | · |
 GPT-5.6 SolOpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
 Muse Spark 1.3Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 Gemini 3.1 Pro PreviewGoogle · 1MCheapest: $2.25 on Google Vertex AI (global-flex) | $2 | $12 | $2 / $12 | $4.5 | 1M | $2.25 on Google Vertex AI (global-flex) | · |
About GLM 5.3 Prime
GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration.
Takes text in and returns text. First listed Sep 24, 2026. Up to 131K output tokens. Blended price $4.3 per 1M tokens at 3 input to 1 output. Model id glm-5-3-prime.
Price history
List price since Sep 24, 2026, from daily reads of the OpenRouter catalog.
Across fru.devCompany profile
Questions
How much does GLM 5.3 Prime cost?
$2.8 per million input tokens and $8.8 per million output tokens, with cached input at $0.56.
What is the context window of GLM 5.3 Prime?
1M tokens, with up to 131K tokens of output.
Where is GLM 5.3 Prime cheapest?
Of 2 routes tracked, Z.ai is cheapest at $2.8 input and $8.8 output per million tokens.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.