Zhipu AI's capable mid-tier model with strong bilingual performance.
Anthropic's Mythos-class flagship for ambitious, long-running professional work.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GLM 4.5 and Claude Fable 5 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
GLM 4.5 has a lower blended cost. GLM 4.5: $0.60 input / $2.20 output. Claude Fable 5: $10.00 input / $50.00 output.
Claude Fable 5 has a larger context window: GLM 4.5 supports 131K tokens vs Claude Fable 5 at 1M tokens.
Claude Fable 5 supports vision/image input, but GLM 4.5 does not.
Key differences: GLM 4.5 is significantly cheaper; only Claude Fable 5 supports vision input. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GLM 4.5 and Claude Fable 5 for free on idapt.app to see which performs better for your specific needs.