Free, fast GLM-4.5 model.
OffRail routes requests to the best providers that are able to handle your prompt size and parameters.
Free, fast GLM-4.5 model. You can access it through OffRail's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
GLM-4.5 Flash is currently free to use through OffRail.
GLM-4.5 Flash supports a context window of up to 128,000 tokens on its largest provider deployment.
GLM-4.5 Flash is served by Z AI through OffRail. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
GLM-4.5 Flash supports tool (function) calling and soft JSON output, but NOT strict JSON output schema (its upstream provider does not enforce it).
GLM-4.5 Flash was released on August 13, 2025.
GLM-5.2 Turbo
1,000,000 context$1.99 in / $6.16 out per 1M
GLM-5.3
1,000,000 context$1.40 in / $4.40 out per 1M
GLM-5.2
1,048,576 context$0.55 in / $1.78 out per 1M
GLM-5.1
204,800 context$0.93 in / $2.93 out per 1M
GLM-5
203,000 context$0.57 in / $2.30 out per 1M
GLM-4.7
204,800 context$0.38 in / $1.98 out per 1M