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  1. Home
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  3. Compare

Qwen3.8 Flash vs GLM 5.3 Flash

Compare Qwen3.8 Flash from Qwen 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 qwen
Qwen3.8 Flash
Favicon for z-ai
GLM 5.3 Flash
Favicon for qwen
Qwen3.8 Flash
Favicon for z-ai
GLM 5.3 Flash

Overview

Qwen3.8 Flash
Author
Qwen
GLM 5.3 Flash
Author
Z.ai
Qwen3.8 Flash
Context length
1Mtokens
GLM 5.3 Flash
Context length
1.05Mtokens
Qwen3.8 Flash
Reasoning
GLM 5.3 Flash
Reasoning
Qwen3.8 Flash
Input modalities
GLM 5.3 Flash
Input modalities
Qwen3.8 Flash
Output modalities
GLM 5.3 Flash
Output modalities

Qwen3.8 Flash vs GLM 5.3 Flash: side-by-side summary

Qwen3.8 Flash 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.

Qwen3.8 Flash, from Qwen, has a 1,000,000-token context window and is priced at $0.15/M tokens input, $0.47/M tokens output on OpenRouter.

GLM 5.3 Flash, from Z.ai, has a 1,048,576-token context window and is priced at $0.036/M tokens input, $0.90/M tokens output on OpenRouter.

Context window
  • Qwen3.8 Flash: 1,000,000 tokens
  • GLM 5.3 Flash: 1,048,576 tokens
Price
  • Qwen3.8 Flash: $0.15/M tokens input, $0.47/M tokens output
  • GLM 5.3 Flash: $0.036/M tokens input, $0.90/M tokens output
Provided by
  • Qwen3.8 Flash: Qwen
  • GLM 5.3 Flash: Z.ai
  • Qwen3.8 Flash model details, providers and pricing
  • GLM 5.3 Flash model details, providers and pricing

Qwen3.8 Flash vs GLM 5.3 Flash at a glance

Qwen3.8 Flash vs GLM 5.3 Flash comparison
AttributeQwen3.8 FlashGLM 5.3 Flash
Input price$0.15/M tokens$0.036/M tokens
Output price$0.47/M tokens$0.90/M tokens
Context window1,000,000 tokens1,048,576 tokens
Intelligence IndexNot available41.8
Coding IndexNot available71.5
Agentic IndexNot available50.9
Latency (p50)1.64 s4.13 s
Throughput (p50)46.0 tok/s21.0 tok/s

Benchmark data updated Oct 9, 2026

Frequently asked questions

Is Qwen3.8 Flash cheaper than GLM 5.3 Flash?

Qwen3.8 Flash and GLM 5.3 Flash trade off on price: Qwen3.8 Flash costs $0.15/M tokens input and $0.47/M tokens output, while GLM 5.3 Flash costs $0.036/M tokens input and $0.90/M tokens output, so GLM 5.3 Flash is cheaper for input tokens and Qwen3.8 Flash is cheaper for output tokens.

Which has the longer context window, Qwen3.8 Flash or GLM 5.3 Flash?

GLM 5.3 Flash has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Qwen3.8 Flash.

Which is faster, Qwen3.8 Flash or GLM 5.3 Flash?

Qwen3.8 Flash is faster on OpenRouter, generating a median 46.0 tokens per second compared with 21.0 tokens per second for GLM 5.3 Flash.