z-ai Z.ai: GLM 5.2 (free) z-ai/glm-5.2:free GLM 5.2 is a large-scale reasoning model from Z.ai. Context window: 256,000 tokens Input: text Output: text Pricing: $0/M input tokens, $0/M output tokens RuntimeWire coverage Baseten's inference essay separates real efficiency gains from cost shiftsWafer aimed for $18M and raised a $40M Series A insteadZ.ai opens GLM-5.3 weights for coding and vulnerability huntingZ.ai will release GLM-5.3 weights on August 28th after safety delayOx Alpha filters domestic Chinese political risks, CTGT audit findsMistral launches Agentic Search so enterprise AI can keep lookingTrueFoundry open-sources TrueForge to put its gateway beneath more AI agents View on OpenRouter. Model data sourced from OpenRouter.