Groq vs Z.ai (GLM): Which is Better in 2026?
Choosing between Groq and Z.ai (GLM)? Both are popular llm provider tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.
Quick verdict
Groq is the safer pick if budget matters — it has a free tier, while Z.ai (GLM) does not. Choose Z.ai (GLM) when its specific features justify the cost.
Groq vs Z.ai (GLM) — Side by Side
| Groq | Z.ai (GLM) | |
|---|---|---|
| Category | LLM Provider | LLM Provider |
| Pricing | Free | Usage-based |
| Starting price | Free tier available | Pay-as-you-go |
| Free tier | — | |
| Rating | 4.6 | 4.5 |
| Best for | LLM Provider — ai, inference | LLM Provider — ai, api |
Pros & Cons
- Fastest inference (LPU hardware)
- Generous free tier
- OpenAI-compatible API
- Great for realtime/agent loops
- Open models only (no frontier closed models)
- Throughput limits on free tier
- Frontier coding quality
- Very competitive pricing
- Strong agentic/coding use
- Coding plan options
- Data governance considerations
- Newer to Western developers
Key Features Compared
Groq
- ~14,400 requests/day (Llama 3.3 70B)
- Sub-500ms responses
- OpenAI-compatible API
- No credit card to start
Z.ai (GLM)
- GLM-5.1 frontier model
- Top-tier coding performance
- OpenAI-compatible API
- Coding subscription plans available
Choose Groq if…
- You want to start free — Groq has a free tier and Z.ai (GLM) does not.
- Fastest inference (LPU hardware)
- Generous free tier
- OpenAI-compatible API
Choose Z.ai (GLM) if…
- Frontier coding quality
- Very competitive pricing
- Strong agentic/coding use
Frequently Asked Questions
Is Groq better than Z.ai (GLM)?⌄
Groq is the safer pick if budget matters — it has a free tier, while Z.ai (GLM) does not. Choose Z.ai (GLM) when its specific features justify the cost.
What is the difference between Groq and Z.ai (GLM)?⌄
Groq — Ultra-fast LLM inference API powered by custom LPUs — sub-second responses with a generous free tier. Z.ai (GLM) — Zhipu's GLM models via Z.ai — frontier-class coding performance that has beaten Claude Opus on key benchmarks. Both are llm provider tools; the comparison table above breaks down pricing, free tiers, and what each is best for.
Groq vs Z.ai (GLM): which is cheaper?⌄
Groq pricing: Free. Z.ai (GLM) pricing: Usage-based. Confirm current pricing on each tool's official site, as plans change.
Which is rated higher, Groq or Z.ai (GLM)?⌄
In our catalog, Groq rates 4.6 out of 5 and Z.ai (GLM) rates 4.5 out of 5, so Groq has a slight edge on reviews.
See more options in our guide to the best llm provider tools for startups.
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