Nuveki supports models from several providers: Claude (Opus 4.8, Sonnet 5, Haiku 4.5 via AWS Bedrock), OpenAI (the GPT-5.6 and GPT-5.4 families, plus GPT-5.5 Pro), Google (Gemini 3.1 Pro and the Gemini Flash models), xAI (Grok 4.3, Grok Reasoning), and Z.AI (GLM 5.2) — plus open-weight options like DeepSeek V3.2, Qwen3, MiniMax M2.5, and Kimi K2.5. Model access depends on your subscription tier: Free includes a set of fast, efficient models; Starter adds the higher-capability standard models (including GLM 5.2); and Pro and Team unlock every model, including the premium flagships (Opus 4.8, O3).