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Z.ai · mid

Is GLM 5 good?

GLM 5 has been tested across 21 task areas. It's strongest at content & brand and weakest at structured output. It's a mid-priced option ($2.52/1M tokens).

Top-3 finishes
21/22
Task areas tested
$2.52
Per 1M tokens
Slow
Typical speed

Our take

Z.ai: GLM 5 is a mid-tier model that we tested across 21 task areas. It performs best at Creative & Comedy, and is weakest at Summarization & Meeting Notes.

Strengths

Clarity Concision Specificity Structure Tone Grounding no fabrication

Weak spots

Timing accuracy Practical sequencing Food quality Appropriate caveats Visual design Buildability

How GLM 5 ranks, task by task

Rank is the position in each field; Rating is the absolute quality bar. A model can be rated "Excellent" yet sit mid-table when the whole field is strong — and vice-versa.

Task area Rank
Content & Brand #4 of 50
Knowledge & Docs #21 of 94
Landing Pages #13 of 56
Data & Analytics #20 of 69
Translation & Localization #13 of 44
Creative & Comedy #15 of 44
Legal & HR #15 of 44
Presentations & Decks #17 of 44
Research & Competitive Analysis #17 of 44
Coding #24 of 52
Frontend & Landing Pages #60 of 93
Training & Education #29 of 44
Executive Assistant #33 of 50
Product & Project Management #31 of 44
AI Strategy #38 of 50
Investor & Pitch #42 of 50
Sales #38 of 44
Customer Support #39 of 43
Chef / Home Cooking #46 of 50
Summarization & Meeting Notes #41 of 44
Structured Output #43 of 43

Industry benchmarks

Standardized third-party scores, shown for context — these are independent of our real-task tests.

Design Arena — human preference (avg Elo 1272)

3d 1309 svg 1225 dataviz 1271 gamedev 1301 website 1291 asciiart 1193 uicomponent 1287 codecategories 1296

Headline vs. real-world

Source: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings). (2026-06-29) · Source: Design Arena (www.designarena.ai) via OpenRouter (openrouter.ai/rankings). (2026-06-29)

Like GLM 5, but…

Cheaper

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Frequently asked

Is GLM 5 any good?

GLM 5 places top-3 in 0 of 21 task areas we benchmarked. It performs best at Content & Brand.

What is GLM 5 best at?

Its strongest task areas are Content & Brand, Knowledge & Docs, Landing Pages.

Is there a cheaper alternative to GLM 5?

DeepSeek V3.2 is 77% cheaper and stays competitive on quality across our benchmarks.

How we test & rank

Each model is scored on real tasks across 21 task areas by an LLM judge with deterministic checks. "Percentile" is this model's standing within each area's field; the cross-area figures are rank-based so quality and Elo scores are never mixed.

This page is Spring Prompt, running

We just did this for every model. Do it for your prompt.

The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.

  • Generate test cases from your prompt — no eval set required to start.
  • Compare models side by side with quality, cost and latency in one matrix.
  • Optimise the winner until the scores say it's ready to ship.
Experiment · Cold outreach email

Prompt × model results

12 test cases · 3 evals
Claude Opus
GPT-5
Gemini
v1
7.1
6.8
7.4
v2
8.3
7.9
8.0
v3
9.2
8.6
8.4
Best combo: v3 × Claude Opus
9.2 quality · $0.004/run · 1.8s