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GLM 5.3 Flash vs Qwen3.8 Max Preview

Compare GLM 5.3 Flash from Z.AI and Qwen3.8 Max Preview 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.

Z.AIGLM 5.3 FlashQwenQwen3.8 Max Preview
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Z.AI logo
GLM 5.3 Flash
Z.AI · text, image, video → text

GLM-5.3-Flash is a high-efficiency multimodal model from Z.AI. It supports a context window of roughly 1 million tokens, along with text, image, and video inputs, and includes tool-calling capabilities. It is primarily designed for coding agents, complex reasoning, and long-horizon software engineering tasks. Built on the existing GLM technology stack, the model has been further post-trained and optimized to deliver strong performance while placing greater emphasis on inference efficiency, responsiveness, and cost.The model is offered at a limited-time 50% discount; users are welcome to try it.

Input$0.1127$0.0563 /M
Output$0.3944$0.1972 /M
Cache read$0.0282$0.0141 /M
Details
Qwen logo
Qwen3.8 Max Preview
Qwen · text, image → text

Qwen 3.8 Max Preview(Qwen3.8-Max-Preview) is the latest-generation foundation model in the Qwen family, packing 2.4T parameters and still evolving. Compared with the previous flagship Qwen 3.7 Max, it delivers major gains in core capabilities like Coding and Cowork (professional productivity), with world-leading performance on complex, long-horizon tasks such as full-stack development, data analysis, and Office workflows. Launch offer: Credits are consumed at just 20% of the standard rate, effectively 5× your usage. Limited time only.

Input$0.338 /M
Output$1.014 /M
Cache read$0.0338 /M
Details

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

GLM 5.3 Flash
Qwen3.8 Max Preview
Input /M
$0.1127$0.0563−50%
$0.338
Output /M
$0.3944$0.1972−50%
$1.014
Cache read /M
$0.0282$0.0141−50%
$0.0338
Context length
1,000,000
983,616
Max output
128,000
131,072
Time to First Token
2.6 s
2.4 s
Throughput
96.9 tok/s
48.1 tok/s
Modalities
textimagevideo
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputs
toolsfunction callingstructured outputsweblong contextthinking
API Formats
Released
August 26, 2026
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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.

glm-5.3-flashqwen3.8-max-preview

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

glm-5.3-flashqwen3.8-max-preview

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
glm-5.3-flashqwen3.8-max-preview
14001440148015201560
Overall
14741480
Coding
15201534
Math
14751497
Hard prompts
14961502
Instruction following
14651477
Multi-turn
14661493
Creative writing
14311466
Longer query
14771492
Chinese
15321536
English
14751488
Vision
glm-5.3-flashqwen3.8-max-preview
1240128013201360
Overall
12731300
OCR
12841315
Diagram
13081326
Homework
13341334
WebDev Arena
glm-5.3-flashqwen3.8-max-preview
1500158016601740
Overall
16051670
React
16351679
HTML
15301628
Gaming
16661735
Simulations
16391667
Data analytics
15391615

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

GLM 5.3 Flash
$13$6.34 /mo
Qwen3.8 Max Preview
$35.49 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: GLM 5.3 Flash, Qwen3.8 Max Preview?

GLM 5.3 Flash: $0.1972/M output tokens; Qwen3.8 Max Preview: $1.014/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

GLM 5.3 Flash: 1534; Qwen3.8 Max Preview: 1520 (LMArena coding leaderboard).

Which responds faster?

Qwen3.8 Max Preview: 2.4s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

GLM 5.3 Flash accepts 1,000,000 and Qwen3.8 Max Preview accepts 983,616 input tokens. Maximum output per request is 128,000 tokens on GLM 5.3 Flash and 131,072 tokens on Qwen3.8 Max Preview.

Which one generates tokens faster?

GLM 5.3 Flash at 96.9 tok/s and Qwen3.8 Max Preview at 48.1 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

GLM 5.3 Flash accepts text, image and video input and supports thinking, tool calling, function calling and structured outputs; Qwen3.8 Max Preview accepts text and image input and supports tool calling, function calling, structured outputs, web search, long context and thinking.

Can I call GLM 5.3 Flash and Qwen3.8 Max Preview 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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