A agentindex
Comparison

Anthropic vs Z.ai

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Anthropic

The Claude model API.

  • + Top-tier coding and reasoning models
  • + Very large context windows
  • − Proprietary, usage-based pricing
  • − Claude-only

Z.ai

Provider of the GLM family of models.

  • + Strong open-weights GLM models with a hosted API
  • + Competitive pricing and coding performance
  • − Smaller ecosystem than the US hyperscaler APIs
  • − Model lineage can be confusing across GLM versions
Spec Anthropic Z.ai
Role LLM provider LLM provider
Tags llm-provider llm-provider
License Proprietary Proprietary
Open source No No
Self-hostable No No
MCP support No No
Pricing usage usage
Price Per-token Per-token
Usage cost Metered Metered
Models claude multi
Languages
GitHub stars — —
Last activity — —