Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with grea…
Model details →Google: Gemini 2.5 Flash vs Z.ai: GLM 5.3 FlashX
Google: Gemini 2.5 Flash and Z.ai: GLM 5.3 FlashX are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...
Model details →Side-by-side comparison
| Capability | Google: Gemini 2.5 Flash | Z.ai: GLM 5.3 FlashX | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 1.0M | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.30 | $0.37 | 🏆 Google: Gemini 2.5 Flash |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.50 | $1.25 | 🏆 Z.ai: GLM 5.3 FlashX |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Google: Gemini 2.5 Flash better than Z.ai: GLM 5.3 FlashX?
Google: Gemini 2.5 Flash and Z.ai: GLM 5.3 FlashX are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Google: Gemini 2.5 Flash and Z.ai: GLM 5.3 FlashX?
Input: $0.30 vs $0.37 per 1M tokens. Output: $2.50 vs $1.25 per 1M tokens.
What context windows do Google: Gemini 2.5 Flash and Z.ai: GLM 5.3 FlashX support?
Google: Gemini 2.5 Flash supports up to 1.0M tokens. Z.ai: GLM 5.3 FlashX supports up to 1.0M tokens.
Do both Google: Gemini 2.5 Flash and Z.ai: GLM 5.3 FlashX support tool calling?
Google: Gemini 2.5 Flash: yes. Z.ai: GLM 5.3 FlashX: yes.