GLM / Z.ai (Zhipu AI)
Free tier available
- Self-hosted (Free)$0
- API (Z.ai / OpenRouter, GLM-5.1)$0.60/per 1M input tokens
Our pickA
8.0/10GLM / Z.ai (Zhipu AI)
VS
B
7.5/10Suno
GLM / Z.ai (Zhipu AI) vs Suno
Tier-list head-to-head. GLM / Z.ai (Zhipu AI) takes the A-tier slot — here's the breakdown.
Last reviewed April 21, 2026· sweep-fresh
Spec sheet
At a glance
| GLM / Z.ai (Zhipu AI) | Suno | |
|---|---|---|
| Tier | A-tierwin | B-tier |
| Overall score | 8.0 / 10win | 7.5 / 10 |
| Free tier | Yes | Yes |
| Starting price | $0 | $0 |
| Best for | Teams that need genuine MIT-licensed frontier open weights with no commercial strings. | Content creators who need background music or jingles fast without any music production knowledge. |
| Last reviewed | 2026-04-17 | 2026-04-21 |
Head-to-head
Score showdown
Rated 1-10 on the same rubric across all 130 tools we cover.
Ease of use+2.5 Suno
GLM / Z.ai (Zhipu AI)
6.5
Suno
9.0
Output quality+1.5 GLM / Z.ai (Zhipu AI)
GLM / Z.ai (Zhipu AI)
8.5
Suno
7.0
Value+2.0 GLM / Z.ai (Zhipu AI)
GLM / Z.ai (Zhipu AI)
9.0
Suno
7.0
Features+1.0 GLM / Z.ai (Zhipu AI)
GLM / Z.ai (Zhipu AI)
8.0
Suno
7.0
Overall+0.5 GLM / Z.ai (Zhipu AI)
GLM / Z.ai (Zhipu AI)
8.0
Suno
7.5
What you'll pay
Pricing snapshot
Look past the headline number -- entry-tier limits drive most cost surprises.
Suno
Free tier available
- Free$0
- Pro$10/mo
- Premier$30/mo
Benchmark Head-to-Head
GLM-5.1 (744B MoE / 40B active) benchmarks — Suno has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| SWE-Bench Pro | 58.4% | |
| MMLU-Pro | Harder multi-subject reasoning | 81.2% |
| GPQA Diamond | Graduate-level science questions | 74.5% |
| HumanEval | Python code generation | 89.1% |
| SWE-Bench Verified | 64.2% | |
| BFCL (function calling) | 88% |
The decision
Which should you pick?
Use-case anchors and category strengths, side by side.
Pick GLM / Z.ai (Zhipu AI)if…
A
8.0/10- ✓Higher output quality (8.5 vs 7.0) where polish matters more than speed
- ✓Better value at the price you'll actually pay (9.0/10 on value)
- ✓More feature surface area for power users who'll use the depth
- ✓Teams that need genuine MIT-licensed frontier open weights with no commercial strings.
- ✓Especially strong for agentic workflows and vision (GLM-4.
Teams that need genuine MIT-licensed frontier open weights with no commercial strings. Especially strong for agentic workflows and vision (GLM-4.6V).
Visit GLM / Z.ai (Zhipu AI)Pick Sunoif…
B
7.5/10- ✓Easier to learn and use day-to-day -- friendlier onboarding curve
- ✓Content creators who need background music or jingles fast without any music production knowledge.
Content creators who need background music or jingles fast without any music production knowledge.
Visit SunoBottom line
The verdict
GLM / Z.ai (Zhipu AI) edges out Suno by 0.5 points (8.0 vs 7.5) -- a A-tier vs B-tier split that's narrow but real. Not a blowout; both belong on a shortlist. The score gap shows up most clearly in the categories that matter for GLM / Z.ai (Zhipu AI)'s strengths, so if those categories are your priority, the lead translates.
Pricing-wise, both tools have a free tier (GLM / Z.ai (Zhipu AI) starts $0, Suno starts $0), so you can test either without committing. Compare what each free tier actually unlocks -- usage caps, model access, and feature gates differ a lot more than the headline price suggests, especially as both vendors have tightened limits in 2026.
By use case: pick GLM / Z.ai (Zhipu AI) when teams that need genuine mit-licensed frontier open weights with no commercial strings. Pick Suno when content creators who need background music or jingles fast without any music production knowledge. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in GLM / Z.ai (Zhipu AI)'s lane, the tier-list ranking and the use-case fit point the same direction; if you're in Suno's lane, the score gap matters less than the fit.
Bottom line: GLM / Z.ai (Zhipu AI) is the safer default for most readers, but Suno is competitive enough that the tie-breaker is your specific workload, not the spec sheet.
Keep digging
Compare more & explore
Full GLM / Z.ai (Zhipu AI) review
Tier A · 8.0/10
Full Suno review
Tier B · 7.5/10
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Built from our daily AI-tool sweep, last touched April 21, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.