Context Window

Compare

Glm 5 1 Fp8 vs Qwen3.8 Max

This page is context-first: how much text each model can take in one request. Full specs adds capabilities and limits; the pricing matrix below is only about $/million tokens from hosts that list both models.

Z Ai

Model

Glm 5 1 Fp8

Context window

203K

202,752 tokens · ~152K words

Model page
Alibaba

Model

Qwen3.8 Max

Image inputTool calling

Context window

1M

1,000,000 tokens · ~750K words

Model page

Context window · side by side

Bar length is relative to the larger of the two windows (100% = max of this pair). This is not pricing.

Glm 5 1 Fp8203K
Qwen3.8 Max1M

Qwen3.8 Max has about 4.9× the context window of the other in this pair.

Token calculator →Memory savings →

Qwen3.8 Max has 393% more context capacity (1000K vs 202K tokens). Glm 5 1 Fp8 is 15% cheaper on input.

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Qwen3.8 Max. Its 1000K context fits entire documents without chunking (vs 202K).

  • RAG / high-volume retrieval

    Use Glm 5 1 Fp8. Input tokens are 15% cheaper — critical when sending large retrieved contexts.

Full specs

Context, output, capabilities, and dates. Green highlights the favorable value where we compute a winner.

SpecGlm 5 1 Fp8Qwen3.8 Max
Context window202,752 tokens (202K)1,000,000 tokens (1000K)
Max output tokensN/A131,072 tokens (131K)
Speed tierBalancedBalanced
VisionNoYes
Function callingNoYes
Extended thinkingNoYes
Prompt cachingYesYes
Batch APINoNo
Release dateN/AAug 2026

Pricing matrix

Dollar rates only: hosts that list both models, per 1M tokens. For how much text fits, use the context section above — not this table.

ProviderGlm 5 1 Fp8 inGlm 5 1 Fp8 outQwen3.8 Max inQwen3.8 Max out
Alibaba Cloud——$2.00/M$6.00/M
Deepinfra——$1.65/M$4.95/M
Gmi$1.40/M$4.40/M$2.00/M$6.00/M
Novita——$2.00/M$6.00/M
Openrouter——$2.00/M$6.00/M

Frequently asked questions

Qwen3.8 Max has a larger context window: 1000K tokens vs 202K. For long documents, large codebases, or extended agent sessions, the larger context window reduces the need to chunk inputs or summarize history.

Powered by Mem0

Use a smaller model.
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Mem0 gives your AI long-term memory so you stop re-sending context on every call. That means you can use a smaller, faster, cheaper model — and still get better answers.

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Example: a multi-turn chat session

Without Mem0~128K tokens sent
Full history
Repeated info
Old context
With Mem0~20K tokens sent
Key memories
Current turn

80% less to send — works with any model