Skip to content
Alpha
  • Models
  • Rankings
  • Ori

Footer

OpenRouterOpenRouter
© 2026 OpenRouter, Inc

Product

  • Chat
  • Rankings
  • Benchmarks
  • Apps
  • Discover
  • Models
  • Ori
  • Collections
  • Providers
  • Tools
  • Pricing
  • Business
  • EU routing
  • 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
  • AI Site Map

Connect

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

Hy4 preview vs GLM 5.3 Flash

Compare Hy4 preview from tencent and GLM 5.3 Flash 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 tencent
Hy4 preview
Favicon for z-ai
GLM 5.3 Flash
Favicon for tencent
Hy4 preview
Favicon for z-ai
GLM 5.3 Flash

Overview

Hy4 preview
Author
tencent
GLM 5.3 Flash
Author
Z.ai
Hy4 preview
Context length
1.05Mtokens
GLM 5.3 Flash
Context length
1.05Mtokens
Hy4 preview
Reasoning
GLM 5.3 Flash
Reasoning
Hy4 preview
Input modalities
GLM 5.3 Flash
Input modalities
Hy4 preview
Output modalities
GLM 5.3 Flash
Output modalities

Hy4 preview vs GLM 5.3 Flash: side-by-side summary

Hy4 preview and GLM 5.3 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Hy4 preview, from tencent, has a 1,048,576-token context window and is priced at $0.834/M tokens input, $2.501/M tokens output on OpenRouter.

GLM 5.3 Flash, from Z.ai, has a 1,048,576-token context window and is priced at $0.0175/M tokens input, $0.1425/M tokens output on OpenRouter.

Context window
  • Hy4 preview: 1,048,576 tokens
  • GLM 5.3 Flash: 1,048,576 tokens
Price
  • Hy4 preview: $0.834/M tokens input, $2.501/M tokens output
  • GLM 5.3 Flash: $0.0175/M tokens input, $0.1425/M tokens output
Provided by
  • Hy4 preview: tencent
  • GLM 5.3 Flash: Z.ai
  • Hy4 preview model details, providers and pricing
  • GLM 5.3 Flash model details, providers and pricing

Hy4 preview vs GLM 5.3 Flash at a glance

Hy4 preview vs GLM 5.3 Flash comparison
AttributeHy4 previewGLM 5.3 Flash
Input price$0.834/M tokens$0.0175/M tokens
Output price$2.501/M tokens$0.1425/M tokens
Context window1,048,576 tokens1,048,576 tokens
Intelligence IndexNot available41.8
Coding IndexNot available71.5
Agentic IndexNot available50.9
Latency (p50)5.35 s1.06 s
Throughput (p50)32.0 tok/s66.0 tok/s

Benchmark data updated Oct 20, 2026

Frequently asked questions

Is Hy4 preview cheaper than GLM 5.3 Flash?

GLM 5.3 Flash is cheaper than Hy4 preview on OpenRouter: GLM 5.3 Flash costs $0.0175/M tokens input and $0.1425/M tokens output, while Hy4 preview costs $0.834/M tokens input and $2.501/M tokens output.

Which has the longer context window, Hy4 preview or GLM 5.3 Flash?

Hy4 preview and GLM 5.3 Flash have the same context window of 1,048,576 tokens.

Which is faster, Hy4 preview or GLM 5.3 Flash?

GLM 5.3 Flash is faster on OpenRouter, generating a median 66.0 tokens per second compared with 32.0 tokens per second for Hy4 preview.