Z.ai: GLM 5.3 FlashX
Z.ai: GLM 5.3 FlashX is a general-purpose chat-tuned model. Available via Z.ai. 1,048,576-token context. Efficient pricing.
Z.ai: GLM 5.3 FlashX is a multimodal AI model from Z.ai. It costs $0.3700 per million input tokens and $1.25 per million output tokens (blended $0.6340/M), with a 1,048,576-token context window.
RatesUSD per million tokens. Blend is 70% input, 30% output, our calculation.
From OpenRouter's listing, read on 11 Nov 2026.
- Solid general chat performance
- Reasonable instruction following
- Multimodal: handles images alongside text
- General chat
- Drafting and rewriting
- Personal productivity
Benchmarks
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See all 6 →Frequently asked questions
How much does Z.ai: GLM 5.3 FlashX cost?
Z.ai: GLM 5.3 FlashX costs $0.3700 per million input tokens and $1.25 per million output tokens, for a blended reference rate of $0.6340 per million tokens.
What is Z.ai: GLM 5.3 FlashX's context window?
Z.ai: GLM 5.3 FlashX supports up to 1,048,576 tokens of context in a single request.
What is Z.ai: GLM 5.3 FlashX best for?
Z.ai: GLM 5.3 FlashX is well suited to Solid general chat performance, Reasonable instruction following and Multimodal: handles images alongside text.
Who makes Z.ai: GLM 5.3 FlashX?
Z.ai: GLM 5.3 FlashX is developed and served by Z.ai.