head-to-head

Tencent: Hy4 vs Z.ai: GLM 5.3 FlashX Legal

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-04.

Tencent: Hy4 Z.ai: GLM 5.3 FlashX Legal
Vendortencentz-ai
Quality Score100100
Input Price$0.42/M$0.37/M
Output Price$1.25/M$1.25/M
Context Window1,048,5761,048,576
Max Output65,536131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, GLM 5.3 FlashX Legal costs $0.68 and Hy4 costs $0.73, so GLM 5.3 FlashX Legal is slightly cheaper for the same work.

Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.

Only GLM 5.3 FlashX Legal offers video input.

Pick GLM 5.3 FlashX Legal if you need lower cost or video input.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

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