MODEL PROOF
GLM 5.3 Prime
NOT INDEPENDENTLY RATED
No independent LMArena score is published for this model.
deal-only price: No offer passes the like-for-like test, so this price is a fallback: precision not disclosed. · precision not disclosed: The seller whose offer sets this price does not declare its serving precision. It is not read as full precision.
- Independent LMArena score
- Not independently rated
- Context window
- 1M
- Maximum output
- 131.07K
- Input modalities
- text
- Output modalities
- text
- Published input price
- $2.80 / 1M tokens
- Published output price
- $8.80 / 1M tokens
- Pricing kind
- fixed
Inspect complete billing conditions and endpoint terms below.
Price from Alibaba: no serving offer passes the like-for-like test, so this is a fallback. deal-only price precision not disclosed The seller whose offer sets this price does not declare its serving precision. It is not read as full precision.
Every price dimension · USD per million tokens
| Input | $2.80/M |
|---|---|
| Output | $8.80/M |
| Cached input | $0.560/M |
| Cache write | Unknown/M |
| Cache write 1h | Unknown/M |
| Reasoning | Unknown/M |
Who sells it
The same weights, different shops. Cheapest is not like-for-like when serving precision differs.
1 provider offers · rates, limits and conditions
Rates are USD per million tokens. Endpoint terms can differ even when the quoted price and precision match. A listed parameter is a provider declaration, not a task-success test.
| Seller | Input | Output | Precision | Uptime (1d) |
|---|---|---|---|---|
| Alibabaalibaba Endpoint terms
| $2.80 | $8.80 | undeclared | 99.19% |
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Capability
| Context window | 1M |
|---|---|
| Max output | 131K |
| Input modes | text |
| Tool use | yes |
| Reasoning | always on |
| Open weights | Unknown |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-10-06 |
| Quality data | unrated |
GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token...
Questions this page answers
What does GLM 5.3 Prime cost?
$2.80/M in, $8.80/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does GLM 5.3 Prime have an independent quality score?
GLM 5.3 Prime has no independent quality score in this catalogue. Unrated is not a score of zero.
What beats GLM 5.3 Prime?
GLM 5.3 Prime has no independent quality score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for GLM 5.3 Prime?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.
Does a missing score mean GLM 5.3 Prime scored zero?
Unrated is not a score of zero.
MODEL MONUMENT
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The verdict as one SVG, for a README or a docs page. It states this model's dominance status at the balanced workload on the LMArena lens, with the date it was computed, and it is rebuilt with the catalogue — so it changes when the verdict changes, including to one you would rather it did not.
[](https://undominated.ai/models/z-ai__glm-5.3-prime/)<a href="https://undominated.ai/models/z-ai__glm-5.3-prime/"><img src="https://undominated.ai/badge/z-ai__glm-5.3-prime.svg" alt="GLM 5.3 Prime — Undominated.ai dominance verdict" height="36"></a>Direct file: https://undominated.ai/badge/z-ai__glm-5.3-prime.svg — a static SVG, written by scripts/build-badges.mjs on every build, so the copy you embed is never
older than the last deploy.
