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  1. Home
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  3. Compare

Aion 3.5 vs GLM 5.3

Compare Aion 3.5 from Aion Labs and GLM 5.3 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 aion-labs
Aion 3.5
Favicon for z-ai
GLM 5.3
Favicon for aion-labs
Aion 3.5
Favicon for z-ai
GLM 5.3

Overview

Aion 3.5
Author
Aion Labs
GLM 5.3
Author
Z.ai
Aion 3.5
Context length
262Ktokens
GLM 5.3
Context length
1.31Mtokens
Aion 3.5
Reasoning
GLM 5.3
Reasoning
Aion 3.5
Input modalities
GLM 5.3
Input modalities
Aion 3.5
Output modalities
GLM 5.3
Output modalities

Aion 3.5 vs GLM 5.3: side-by-side summary

Aion 3.5 and GLM 5.3 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Aion 3.5, from Aion Labs, has a 262,144-token context window and is priced at $3/M tokens input, $6/M tokens output on OpenRouter.

GLM 5.3, from Z.ai, has a 1,310,720-token context window and is priced at $0.5614/M tokens input, $1.764/M tokens output on OpenRouter.

Context window
  • Aion 3.5: 262,144 tokens
  • GLM 5.3: 1,310,720 tokens
Price
  • Aion 3.5: $3/M tokens input, $6/M tokens output
  • GLM 5.3: $0.5614/M tokens input, $1.764/M tokens output
Provided by
  • Aion 3.5: Aion Labs
  • GLM 5.3: Z.ai
  • Aion 3.5 model details, providers and pricing
  • GLM 5.3 model details, providers and pricing