z-ai/glm-5.3-flashx

Served by Z.ai (fp8)
tracked

z-ai serves 6 models.

Tracking status

LTno logprobs — This endpoint does not return logprobs, so logprob tracking is impossible.
B3ITmonitoring — This endpoint is actively monitored through its border inputs.

Endpoint details

from the OpenRouter catalog snapshot
Pricing (per Mtok)
$0.37 in · $1.25 out
Listed since
2026-09-18
Claims temperature
yes
Claims logprobs
no

Spend

what OpenRouter billed for tracking this endpoint. Spend recorded since 2026-09-19
Total to date
$0.12
Last 30 days
$0.12
Queries
20,131
  • B3IT (onboarding)$0.12100%
  • Vetting$0.000012<1%
Vetting is the one-off probe that checks the endpoint's billed cost against its advertised price. B3IT (onboarding) is the initial border-input search; B3IT (monitoring) and LT are the recurring daily checks.

Timothée Chauvin, Erwan Le Merrer, François Taïani, Gilles Tredan (2026), "Log Probability Tracking of LLM APIs". ICLR 2026. https://arxiv.org/abs/2512.03816

Timothée Chauvin, Clément Lalanne, Erwan Le Merrer, Jean-Michel Loubes, François Taïani, Gilles Tredan (2026), "Token-Efficient Change Detection in LLM APIs". ICML 2026. https://arxiv.org/abs/2602.11083

@inproceedings{
chauvin2026log,
title={Log Probability Tracking of {LLM} {API}s},
author={Timothee Chauvin and Erwan Le Merrer and Francois Taiani and Gilles Tredan},
booktitle={The Fourteenth International Conference on Learning Representations},
year={2026},
url={https://openreview.net/forum?id=hFxivbAgVP}
}

@inproceedings{
chauvin2026tokenefficient,
title={Token-Efficient Change Detection in {LLM} {API}s},
author={Timothee Chauvin and Cl{\'e}ment Lalanne and Erwan Le Merrer and Jean-Michel Loubes and Francois Taiani and Gilles Tredan},
booktitle={Forty-third International Conference on Machine Learning},
year={2026},
url={https://openreview.net/forum?id=7cMlZZYZT0}
}