Z
GLM 5.3 FlashOPEN
GLM-5.3-Flash is a native multimodal model from Z.ai.
Prices update automatically — checked daily against provider list prices.
- $0.03 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 91% of the 202 open-weight models tracked here
- 1 of 18 Z.AI models tracked here, from cheapest
Benchmarks & performance
Independent benchmark scores for GLM 5.3 Flash, measured by Artificial Analysis. Higher is better.
For the same budget, GLM 5.3 Flash delivers 25 times more capability. Open weights also mean you can self-host it and pay nothing per token.
Models at this level cost $3 per 1M tokens (median of 16) — this one costs $0.03.
No model tracked here is both cheaper and better on this index.
About this model
GLM 5.3 Flash 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 Flash?
GLM 5.3 Flash 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. It scores 41.8 on the Artificial Analysis intelligence index.
Is GLM 5.3 Flash free?
The weights are free and open — you can self-host GLM 5.3 Flash and pay nothing per token. If you prefer a hosted API, list prices are Free per million input tokens and $0.1 per million output tokens.
What is GLM 5.3 Flash good at?
Independent benchmarks from Artificial Analysis give it GPQA 91.2%, Humanity's Last Exam 39.9%, Long Context Reasoning 80%, SciCode 51.6%, τ-Bench Banking 47.2%, Terminal-Bench 84.3%. It is particularly used for code generation.
How fast is GLM 5.3 Flash?
It generates about 74.6 tokens per second, with a median 2.44s delay before the first token. Measured independently by Artificial Analysis.
Can I self-host GLM 5.3 Flash?
Yes. GLM 5.3 Flash 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.