GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow engineering standards more consistently, and complete the full development workflow from requirements to multi-platform deployment in a single task.
GLM 5.2 vs Qwen3.8 Flash (free)
Compare GLM 5.2 from Z.AI and Qwen3.8 Flash (free) from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
GLM 5.2Qwen3.8 Flash is available for free on AIHubMix as part of GMI Cloud’s promotional campaign. The offer lasts for 30 days from launch or until the campaign credits are exhausted, whichever comes first.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
Tokens / day
Requests / day
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Throughput (tok/s)
TTFT (s)
Uptime (%)
Cost calculator
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
How large is each context window?
GLM 5.2 accepts 1,000,000 and Qwen3.8 Flash (free) accepts 1,000,000 input tokens. Maximum output per request is 131,072 tokens on GLM 5.2 and 131,072 tokens on Qwen3.8 Flash (free).
What inputs and capabilities does each model support?
GLM 5.2 accepts text input and supports thinking, tool calling, function calling and structured outputs; Qwen3.8 Flash (free) accepts text, image and video input.
Can I call GLM 5.2 and Qwen3.8 Flash (free) with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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