{"slug": "glm-5-2-gpt-5-6-luna-and-gpt-5-6-sol-now-available-for-telnyx-voice-ai", "title": "GLM-5.2, GPT-5.6 Luna, and GPT-5.6 Sol Now Available for Telnyx Voice AI Assistants", "summary": "Telnyx has added three new large language models to its Voice AI Assistants platform: GLM-5.2 from Z.ai, and GPT-5.6 Luna and GPT-5.6 Sol from OpenAI. GLM-5.2 is the highest-intelligence open-weight model available, GPT-5.6 Luna offers a strong cost-to-intelligence ratio for voice workloads, and GPT-5.6 Sol is OpenAI's most capable model for complex conversations.", "body_md": "[Contact us](https://telnyx.com/contact-us)\n\n[Log in](https://portal.telnyx.com)\n\nThree new LLMs are now available for [Telnyx Voice AI Assistants](https://telnyx.com/products/voice-ai-agents): GLM-5.2 from Z.ai, plus GPT-5.6 Luna and GPT-5.6 Sol from OpenAI. GLM-5.2 is the highest-intelligence open-weight model available, GPT-5.6 Luna offers a strong cost-to-intelligence ratio for voice workloads, and GPT-5.6 Sol rounds out the lineup as OpenAI's most capable model for complex conversations.\n\n**Learn more** in the [AI Assistants documentation](https://developers.telnyx.com/docs/inference/ai-assistants) or the [GLM-5.2 release notes](https://telnyx.com/release-notes/glm-5-2-inference).", "url": "https://wpnews.pro/news/glm-5-2-gpt-5-6-luna-and-gpt-5-6-sol-now-available-for-telnyx-voice-ai", "canonical_source": "https://telnyx.com/release-notes/glm-5-2-gpt-5-6-luna-sol-voice-ai-assistants", "published_at": "2026-08-06 00:00:00+00:00", "updated_at": "2026-08-09 12:44:13.502971+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "generative-ai"], "entities": ["Telnyx", "Z.ai", "OpenAI", "GLM-5.2", "GPT-5.6 Luna", "GPT-5.6 Sol"], "alternates": {"html": "https://wpnews.pro/news/glm-5-2-gpt-5-6-luna-and-gpt-5-6-sol-now-available-for-telnyx-voice-ai", "markdown": "https://wpnews.pro/news/glm-5-2-gpt-5-6-luna-and-gpt-5-6-sol-now-available-for-telnyx-voice-ai.md", "text": "https://wpnews.pro/news/glm-5-2-gpt-5-6-luna-and-gpt-5-6-sol-now-available-for-telnyx-voice-ai.txt", "jsonld": "https://wpnews.pro/news/glm-5-2-gpt-5-6-luna-and-gpt-5-6-sol-now-available-for-telnyx-voice-ai.jsonld"}}