Skip to content
  • Models
  • Rankings
  • Ori
Sign Up
Sign Up
OpenRouterOpenRouter
© 2026 OpenRouter, Inc

Product

  • Chat
  • Rankings
  • Benchmarks
  • Apps
  • Discover
  • Models
  • Collections
  • Providers
  • Pricing
  • Business
  • Enterprise
  • Labs

Company

  • About
  • Blog
  • Careers
    Hiring
  • Privacy
  • Terms of Service
  • Trust Center
  • Support
  • Works With OR
  • Data
  • Brand

Developer

  • Documentation
  • API Reference
  • Developer Platform
  • Status

Connect

  • Discord
  • GitHub
  • LinkedIn
  • X
  • YouTube
  1. Home
  2. /
  3. Compare

Gemini 3.8 Flash vs GLM 5.3 FlashX

Compare Gemini 3.8 Flash from Google and GLM 5.3 FlashX from Z.ai on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Favicon for google
Gemini 3.8 Flash
Favicon for z-ai
GLM 5.3 FlashX
Favicon for google
Gemini 3.8 Flash
Favicon for z-ai
GLM 5.3 FlashX

Overview

Gemini 3.8 Flash
Author
Google
GLM 5.3 FlashX
Author
Z.ai
Gemini 3.8 Flash
Context length
1.05Mtokens
GLM 5.3 FlashX
Context length
1.05Mtokens
Gemini 3.8 Flash
Reasoning
GLM 5.3 FlashX
Reasoning
Gemini 3.8 Flash
Input modalities
GLM 5.3 FlashX
Input modalities
Gemini 3.8 Flash
Output modalities
GLM 5.3 FlashX
Output modalities

Gemini 3.8 Flash vs GLM 5.3 FlashX: side-by-side summary

Gemini 3.8 Flash and GLM 5.3 FlashX are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Gemini 3.8 Flash, from Google, has a 1,048,576-token context window and is priced at $0.75/M tokens input, $3.75/M tokens output on OpenRouter.

GLM 5.3 FlashX, from Z.ai, has a 1,048,576-token context window and is priced at $0.37/M tokens input, $1.25/M tokens output on OpenRouter.

Context window
  • Gemini 3.8 Flash: 1,048,576 tokens
  • GLM 5.3 FlashX: 1,048,576 tokens
Price
  • Gemini 3.8 Flash: $0.75/M tokens input, $3.75/M tokens output
  • GLM 5.3 FlashX: $0.37/M tokens input, $1.25/M tokens output
Provided by
  • Gemini 3.8 Flash: Google
  • GLM 5.3 FlashX: Z.ai
  • Gemini 3.8 Flash model details, providers and pricing
  • GLM 5.3 FlashX model details, providers and pricing