{"slug": "glm-5-3-available-in-openrouter", "title": "GLM 5.3 Available in OpenRouter", "summary": "Z.ai released GLM-5.3, a large-scale reasoning model for complex software engineering and long-horizon agent tasks, now available on OpenRouter with a 1M-token context window and pricing of $1.40 per 1M input tokens and $4.40 per 1M output tokens. The model improves on GLM-5.2 in coding and token efficiency, supports reasoning efforts low, high, and max (default), and achieves 99.91% uptime with a P50 latency of 5.71 seconds and throughput of 27 tokens per second.", "body_md": "GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves on GLM-5.2 in coding and in the balance between performance and token efficiency.\n\nReasoning is always on and cannot be disabled. Reasoning efforts `low`\n\n, `high`\n\n, and `max`\n\nare supported; `max`\n\nis the default.\n\nModalities\n\nIn / Out Price\n\n$1.40 / $4.40per 1M\n\nContext\n\n1M\n\nReleased\n\nAug 18, 2026\n\n| $1.40 | $4.40 | $0.26 | 5.71s | 27 tps |\n\nThroughput\n\n27tok/s\n\nP50, best across providers\n\nLatency\n\n5.71s\n\nP50, best provider\n\n99.91%\n\n99.65%\n\nWhen an error occurs in an upstream provider, we can recover by routing to another healthy provider, if your request filters allow it. You can access per-provider uptime data programmatically through the [Endpoints API](/docs/api/api-reference/endpoints/list-endpoints). [Learn more](/docs/provider-routing) about our load balancing and customization options.", "url": "https://wpnews.pro/news/glm-5-3-available-in-openrouter", "canonical_source": "https://openrouter.ai/z-ai/glm-5.3", "published_at": "2026-08-19 08:30:24+00:00", "updated_at": "2026-08-19 08:42:55.907757+00:00", "lang": "en", "topics": ["large-language-models", "artificial-intelligence", "ai-products"], "entities": ["Z.ai", "GLM-5.3", "OpenRouter", "GLM-5.2"], "alternates": {"html": "https://wpnews.pro/news/glm-5-3-available-in-openrouter", "markdown": "https://wpnews.pro/news/glm-5-3-available-in-openrouter.md", "text": "https://wpnews.pro/news/glm-5-3-available-in-openrouter.txt", "jsonld": "https://wpnews.pro/news/glm-5-3-available-in-openrouter.jsonld"}}