GLM 5.3 Prime pricing & price history
GLM 5.3 Prime by Z.ai (Zhipu) costs $2.80 per 1M input tokens and $8.80 per 1M output tokens, with a 1M token context window. The cheapest provider currently charges $2.80 input / $8.80 output.
Price history
No price changes since tracking began on 2026-09-24. We check every 10 minutes.
No real-traffic data for Z.ai (Zhipu)'s own API on this model (it may not be served directly); the table below covers third-party hosts and says nothing about the official API.
Which platform runs GLM 5.3 Prime most reliably
1 platformsBy 30-day real-traffic success rate, Alibaba is the most stable and also the cheapest.
| Platform | Last 30 days | Stability | 24 h | 30 min | |
|---|---|---|---|---|---|
| Alibaba most stable | Occasional issues (1 d)avg 99.73% | 99.8% | 100% |
Success rates come from real API traffic routed to each platform (public OpenRouter data), not our probes; each daily bar is the average of that day's samples. Green ≥ 99.5 %, yellow ≥ 97 %, orange ≥ 90 %, red < 90 %. Updated 28m ago.
Cost calculator
Cheaper alternatives to GLM 5.3 Prime
| Model | Input | Output | Context | Intel. | |
|---|---|---|---|---|---|
GLM 5.3 Flash Z.ai (Zhipu) | $0.0399 | $0.0784 | 1M | 27.8 | compare |
 DeepSeek V4 Flash 0731 DeepSeek | $0.0434 | $0.30 | 1M | — | compare |
DeepSeek V4.1 Flash DeepSeek | $0.022 | $0.40 | 1M | — | compare |
DeepSeek V4.1 Flash 1017 DeepSeek | $0.098 | $0.29 | 1M | 28.6 | compare |
 Llama 4 Scout Meta Llama | $0.10 | $0.30 | 1.3M | — | compare |
 MiMo-V2.6-Flash Xiaomi | $0.14 | $0.28 | 1.1M | 26.7 | compare |
Llama Guard 4 12B Meta Llama | $0.18 | $0.18 | 164K | — | compare |
 Claude Haiku 5.5 Anthropic | $0.10 | $0.50 | 1M | 36.5 | compare |
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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. It supports text input and output with a 1M-token...
FAQ
How much does GLM 5.3 Prime cost?
GLM 5.3 Prime by Z.ai (Zhipu) costs $2.80 per 1M input tokens and $8.80 per 1M output tokens, with a 1M token context window. The cheapest provider currently charges $2.80 input / $8.80 output. A typical request with 2,000 input and 500 output tokens costs about $0.01.
What is the context window of GLM 5.3 Prime?
GLM 5.3 Prime supports up to 1,000,000 tokens of context and up to 131,072 output tokens per request.
Has GLM 5.3 Prime’s price changed?
No price changes recorded since ModelBank started tracking it on 2026-09-24.
Is GLM 5.3 Prime being deprecated?
No retirement date has been announced for GLM 5.3 Prime as of 2026-11-12.
What are cheaper alternatives to GLM 5.3 Prime?
Cheaper options include GLM 5.3 Flash ($0.0399/$0.0784), DeepSeek V4 Flash 0731 ($0.0434/$0.30), DeepSeek V4.1 Flash ($0.022/$0.40), DeepSeek V4.1 Flash 1017 ($0.098/$0.29).