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  1. Home
  2. /
  3. Compare

Mercury 2.5 vs GLM 5.3 FlashX

Compare Mercury 2.5 from inception 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.

Mercury 2.5 vs GLM 5.3 FlashX: side-by-side summary

Mercury 2.5 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.

Mercury 2.5, from inception, has a 260,000-token context window and is priced at $0.04/M tokens input, $0.15/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
  • Mercury 2.5: 260,000 tokens
  • GLM 5.3 FlashX: 1,048,576 tokens
Price
  • Mercury 2.5: $0.04/M tokens input, $0.15/M tokens output
  • GLM 5.3 FlashX: $0.37/M tokens input, $1.25/M tokens output
Provided by
  • Mercury 2.5: inception
  • GLM 5.3 FlashX: Z.ai
Favicon for inception
Mercury 2.5
Favicon for z-ai
GLM 5.3 FlashX
Favicon for inception
Mercury 2.5
Favicon for z-ai
GLM 5.3 FlashX

Overview

Mercury 2.5
Author
inception
GLM 5.3 FlashX
Author
Z.ai
Mercury 2.5
Context length
260Ktokens
GLM 5.3 FlashX
Context length
1.05Mtokens
Mercury 2.5
Reasoning
GLM 5.3 FlashX
Reasoning
Mercury 2.5
Input modalities
GLM 5.3 FlashX
Input modalities
Mercury 2.5
Output modalities
GLM 5.3 FlashX
Output modalities
model details, providers and pricing
model details, providers and pricing
Mercury 2.5
GLM 5.3 FlashX