Z
GLM 5.3 PrimeOPEN
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.
Prices update automatically — checked daily against provider list prices.
- $4.3 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 1% of the 205 open-weight models tracked here
- 18 of 18 Z.AI models tracked here, from cheapest
Benchmarks
Artificial Analysis measures 289 of the 425 models tracked here — this one is not yet covered. The pricing position above is measured across the full catalog and does not depend on benchmarks.
About this model
GLM 5.3 Prime is an open-weight AI model by Z.AI. You can download and self-host it for free; the prices below are hosted-API list prices, tracked daily, for when you prefer convenience over self-hosting.
Frequently asked questions
What is GLM 5.3 Prime?
GLM 5.3 Prime is an AI language model from Z.AI. It is open-weight: you can download it and run it on your own hardware, for free.
Is GLM 5.3 Prime free?
The weights are free and open — you can self-host GLM 5.3 Prime and pay nothing per token. If you prefer a hosted API, list prices are $2.8 per million input tokens and $8.8 per million output tokens.
Can I self-host GLM 5.3 Prime?
Yes. GLM 5.3 Prime has open weights, so you can download it and run it on your own GPU or server with tools like Ollama, vLLM or llama.cpp — with no per-token cost.