What is the difference between Gemini 2.5 Flash Preview and GLM 4.5?

Gemini 2.5 Flash Preview is developed by Google AI while GLM 4.5 is developed by Zhipu AI. Gemini 2.5 Flash Preview has a 1.0M token context window vs GLM 4.5's 128K. You can compare their actual outputs across 27 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.5 Flash Preview or GLM 4.5?

It depends on your use case. Gemini 2.5 Flash Preview and GLM 4.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 27 challenges so you can judge which fits your needs best.

How much does Gemini 2.5 Flash Preview cost compared to GLM 4.5?

Gemini 2.5 Flash Preview costs $0.15/M input tokens and GLM 4.5 costs $0.6/M input tokens. Gemini 2.5 Flash Preview is $0.45/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Gemini 2.5 Flash Preview and GLM 4.5 on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Flash Preview and GLM 4.5 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Jul 2025

Gemini 2.5 Flash PreviewvsGLM 4.5

Gemini 2.5 Flash Preview is cheaper than GLM 4.5 at $0.15/M vs $0.6/M input tokens.

Gemini 2.5 Flash Preview and GLM 4.5 compared across 27 shared prompts
Spec	Gemini 2.5 Flash Preview	GLM 4.5
Input price	$0.15/M tokens	$0.6/M tokens
Output price	$0.6/M tokens	$2.2/M tokens
Context window	1.0M tokens	128K tokens
Weights	—	Open
Free API (OpenRouter)	No	No
Released	Apr 2025	Jul 2025
SWE-bench Verified	60.4%	64.2%