Z.ai's high-speed variant of GLM 5.3 Flash, generating up to 200 tokens per second.
The GA release of DeepSeek's open 1.6T-parameter MoE flagship for advanced reasoning and long-horizon agents.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GLM 5.3 FlashX and DeepSeek V4 Pro (0813) 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 5.3 FlashX has a lower blended cost. GLM 5.3 FlashX: $0.37 input / $1.25 output. DeepSeek V4 Pro (0813): $0.66 input / $1.98 output.
GLM 5.3 FlashX has a larger context window: GLM 5.3 FlashX supports 1M tokens vs DeepSeek V4 Pro (0813) at 1M tokens.
GLM 5.3 FlashX supports vision/image input, but DeepSeek V4 Pro (0813) does not.
Key differences: only GLM 5.3 FlashX 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 5.3 FlashX and DeepSeek V4 Pro (0813) for free on idapt.app to see which performs better for your specific needs.