GLM-5.3 (max)
By Z AI · released 2026-08-18 (3 weeks) · snapshot 2026-09-09
- Intelligence index
- 44.90
- Cost to run the AA index
- $2503
- Price per 1M tokens (in / out)
- $1.40 / $4.40
- End-to-end time
- 38.0s
Is GLM-5.3 (max) on the Pareto frontier, and what beats it?
Off the frontier
No. GPT-6 Astra (medium) is at least as smart for the same money or less.
Next step up: GPT-6 Astra (high), smarter but dearer.
| # | Model | Creator | Intelligence | Total cost | E2E total | Open | Released | Frontier |
|---|---|---|---|---|---|---|---|---|
| 1 | GLM-5.3 (max) | Z AI | 44.90 | $2503 | 38.0s | 2026-08-18 | Open frontier | |
| 2 | GPT-6 Astra (medium) | OpenAI | 49.70 | $2434 | 15.8s | 2026-09-03 | Frontier | |
| 3 | GPT-6 Astra (high) | OpenAI | 51.00 | $2917 | 55.6s | 2026-09-03 | Frontier |
Open in the picker Daily check URL: 200 on the frontier, 409 once beaten
GLM-5.3 (max) today
Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: glm-5-3.
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
What the GLM-5.3 release did to the frontier on 2026-08-18
1 of 1 effort levels reached the frontier at launch (GLM-5.3 (max)). Impact 0.02, #27 of 28 releases this past year.
Should you use GLM-5.3 (max)?
Should you use GLM-5.3 (max)?
Only when it fits your setup: GPT-6 Astra (medium) is at least as smart for the same money or less, so GLM-5.3 (max) is off the value frontier today.
What is better and cheaper than GLM-5.3 (max)?
GPT-6 Astra (medium) — at least as smart for the same money or less.
How much does GLM-5.3 (max) cost?
$1.40/$4.40 in/out per 1M tokens, and $2503 to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.
Is GLM-5.3 (max) on the Pareto frontier?
No: GPT-6 Astra (medium) beats it on intelligence, cost, or both.
Frontier membership by axis pair
Other axis pairs where GLM-5.3 (max) is Pareto-optimal.
| Y axis | X axis | On the frontier |
|---|---|---|
| AA intelligence index | AA total cost to run (USD) | |
| AA intelligence index | End-to-end total seconds | |
| AA intelligence index | Output speed tokens/sec |
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/models/glm-5-3 · Markdown: /api/v1/models/glm-5-3?format=md · llms.txt · agent skill