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  1. Home
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  3. Alternatives to Z.ai GLM 5.2 on OpenRouter
Z.ai GLM 5.2 on OpenRouter

Best Alternatives to Z.ai GLM 5.2 on OpenRouter

LLM APIs · 8 alternatives ranked of 23 in the category

Looking for alternatives to Z.ai GLM 5.2 on OpenRouter? These are the llm apis tools that score highest on adoption, reviews, benchmarks, and public code, with what separates each one from Z.ai GLM 5.2 on OpenRouter.

Claude Code Router logo
Claude Code Router

LLM APIs· github.com

Open source

Open-source router for Claude Code that lets builders route coding-agent requests across OpenAI-compatible model providers and custom backends.

How each alternative differs from Z.ai GLM 5.2 on OpenRouter

Ranked by adoption, review, benchmark, and repository signals. Each note below is drawn from the two products’ own catalog records, so a product with nothing to separate it from Z.ai GLM 5.2 on OpenRouter carries no note.

  1. 1

    Claude Code Router

    Claude Code Router can be tried on a open source plan before you commit budget and carries 37k GitHub stars to Z.ai GLM 5.2 on OpenRouter's 6.4k.

  2. 2

    Cloudflare AI Gateway

    Cloudflare AI Gateway is not listed as open source, while Z.ai GLM 5.2 on OpenRouter is and can be tried on a freemium plan before you commit budget.

  3. 3

    LLMRouter

    LLMRouter can be tried on a open source plan before you commit budget.

  4. 4

    NVIDIA NIM LLM APIs

    NVIDIA NIM LLM APIs is not listed as open source, while Z.ai GLM 5.2 on OpenRouter is and can be tried on a freemium plan before you commit budget.

  5. 5

    Cerebras Inference

    Cerebras Inference is not listed as open source, while Z.ai GLM 5.2 on OpenRouter is.

Frequently asked questions

What is the closest alternative to Z.ai GLM 5.2 on OpenRouter?

Claude Code Router ranks highest among the alternatives to Z.ai GLM 5.2 on OpenRouter we track. Claude Code Router can be tried on a open source plan before you commit budget and carries 37k GitHub stars to Z.ai GLM 5.2 on OpenRouter's 6.4k. Open-source router for Claude Code that lets builders route coding-agent requests across OpenAI-compatible model providers and custom backends.

Are there free alternatives to Z.ai GLM 5.2 on OpenRouter?

Claude Code Router (open source), Cloudflare AI Gateway (freemium), LLMRouter (open source), NVIDIA NIM LLM APIs (freemium), fal (freemium), Millwright (open source), and Auriko (freemium) offer a no-cost entry point, where Z.ai GLM 5.2 on OpenRouter is paid.

37,257
Open source
Cloudflare AI Gateway logo
Cloudflare AI Gateway

LLM APIs· cloudflare.com

Freemium

Cloudflare control plane for multi-provider AI routing, caching, rate limiting, observability, and fallback.

1,163
API available
LLMRouter logo
LLMRouter

LLM APIs· ulab-uiuc.github.io

Open source

Open-source intelligent LLM routing library with single-round, multi-round, personalized, and agentic routers plus CLI, training, evaluation, and OpenAI-compatible serving.

2,148
Open source
NVIDIA NIM LLM APIs logo
NVIDIA NIM LLM APIs

LLM APIs· developer.nvidia.com

Freemium

NVIDIA-hosted and self-deployable NIM large language model APIs exposing OpenAI-compatible inference endpoints for RAG, agentic AI, and production generative applications.

254
API available
Cerebras Inference logo
Cerebras Inference

LLM APIs· cerebras.ai

Commercial

High-speed hosted inference API and SDKs for running Cerebras-supported language models in builder applications.

167
API available
fal logo
fal

LLM APIs· fal.ai

Freemium

Serverless generative media API platform for running image, video, and audio models from builder applications.

184
Open source
Millwright logo
Millwright

LLM APIs· github.com

Open source

Open-source Rust LLM router for deterministic policy, cache affinity, provider health, and spend control across OpenAI-compatible, Anthropic, and Amazon Bedrock endpoints.

26
Open source
Auriko logo
Auriko

LLM APIs· auriko.ai

Freemium

LLM routing and cost-optimization API for switching models across providers with zero-markup pricing, cache-aware routing, API reference, and model marketplace workflows.

API available
  • 6

    fal

    fal can be tried on a freemium plan before you commit budget.

  • 7

    Millwright

    Millwright can be tried on a open source plan before you commit budget.

  • 8

    Auriko

    Auriko is not listed as open source, while Z.ai GLM 5.2 on OpenRouter is and can be tried on a freemium plan before you commit budget.