Best free GLM (Z.ai) alternatives

Looking for a free alternative to GLM (Z.ai)? Here are 9 notable open models worth trying — 9 with a free tier. GLM (Z.ai) itself is free tier + paid.

ToolGLM (Z.ai) (you searched)Llama (Meta)Qwen (Alibaba)DeepSeek Models
Pricingfreemiumfreefreefree
Best forGLM-5.x flagship and Flash models released as open weights on Hugging FaceMeta's flagship open-weight family (Llama 4)Open Qwen3.x family from phone-sized to multi-trillion-parameter MoE, Apache 2.0DeepSeek V4-Pro and V4-Flash open-weight MoE models, MIT-licensed
VisitOpen ↗Open ↗Open ↗Open ↗

GLM (Z.ai) alternatives — straight answers

What is the best free alternative to GLM (Z.ai)?

Llama (Meta) is the closest free alternative to GLM (Z.ai): same Notable Open Models sub-category, and it is free. Meta's flagship open-weight family (Llama 4)

Are there free GLM (Z.ai) alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: Llama (Meta), Qwen (Alibaba), DeepSeek Models, Gemma (Google), GPT-OSS (OpenAI). None of them are paid-only.

Is GLM (Z.ai) free?

GLM (Z.ai) is free tier + paid. There is a free tier you can work in, with paid plans above it.

How were these GLM (Z.ai) alternatives chosen?

They are the other tools in Notable Open Models, then the rest of AI Models & Local Execution, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

All GLM (Z.ai) alternatives

Browse Notable Open Models →

Llama (Meta)

Notable Open Models
free

✦ WhyA GLM (Z.ai) alternative — Meta's flagship open-weight family (Llama 4).

  • Meta's flagship open-weight family (Llama 4)
  • Multimodal and long-context variants
  • Run locally or via any host
  • Free, permissive license

Qwen (Alibaba)

Notable Open Models
free

✦ WhyA GLM (Z.ai) alternative — Open Qwen3.x family from phone-sized to multi-trillion-parameter MoE, Apache 2.0.

  • Open Qwen3.x family from phone-sized to multi-trillion-parameter MoE, Apache 2.0
  • Qwen3.6 mid-size models suit agentic coding on one high-memory machine
  • Small Qwen3.5 sizes run on phones and laptops
  • Free weights on Hugging Face and ModelScope

DeepSeek Models

Notable Open Models
free

✦ WhyA GLM (Z.ai) alternative — DeepSeek V4-Pro and V4-Flash open-weight MoE models, MIT-licensed.

  • DeepSeek V4-Pro and V4-Flash open-weight MoE models, MIT-licensed
  • Very long context with reasoning and non-reasoning modes
  • Successors to the V3 and R1 lines
  • Free weights plus free web chat

Gemma (Google)

Notable Open Models
free

✦ WhyA GLM (Z.ai) alternative — Google's lightweight open models (Gemma 4).

  • Google's lightweight open models (Gemma 4)
  • Runs in as little as 16GB RAM
  • On-device and multimodal variants
  • Free and open

GPT-OSS (OpenAI)

Notable Open Models
free

✦ WhyA GLM (Z.ai) alternative — OpenAI's Apache-2.0 open-weight reasoning models (120B and 20B).

  • OpenAI's Apache-2.0 open-weight reasoning models (120B and 20B)
  • Run locally or self-host, with configurable reasoning effort
  • Safeguard variants for policy-based content classification

Pleias

Notable Open Models
free

✦ WhyA GLM (Z.ai) alternative — Fully open-weight, open-dataset small language models (350M-3B) explicitly built for EU AI Act compliance.

  • Fully open-weight, open-dataset small language models (350M-3B) explicitly built for EU AI Act compliance
  • Trained exclusively on the 2-trillion-token open Common Corpus, not scraped/licensed text
  • Purpose-built RAG models (Pleias-RAG-350M/1B) with built-in citation tracking, Apache 2.0 licensed

✦ WhyA GLM (Z.ai) alternative — Open-weight Mistral Medium 3.5, Small 4 and Large 3 general models.

  • Open-weight Mistral Medium 3.5, Small 4 and Large 3 general models
  • Devstral for coding agents and Magistral for visible reasoning
  • Voxtral open-weights speech models for transcription and voice agents

IBM Granite

Notable Open Models
free

✦ WhyA GLM (Z.ai) alternative — Apache 2.0 licensed enterprise-grade model family.

  • Apache 2.0 licensed enterprise-grade model family
  • Hybrid Mamba/transformer architecture (Granite 4) for lower memory footprint
  • Built-in focus on governance, provenance and enterprise compliance

OLMo (Ai2)

Notable Open Models
free

✦ WhyA GLM (Z.ai) alternative — Only major model family shipping full pretraining data (Dolma), code and intermediate checkpoints, not just weights.

  • Only major model family shipping full pretraining data (Dolma), code and intermediate checkpoints, not just weights
  • Olmo 3 ships Base, Think, and Instruct variants at 7B/32B
  • OlmoCore training framework and Open Instruct pipeline are also open source

GLM (Z.ai) head-to-head