# Bug: GLM-5 (Modal Research) — Agent tool calls return empty (no output, no error)

Same here:
Ubuntu 24.04.4, Cursor 3.0.16,

https://api.us-west-2.modal.direct/v1/chat/completions

also:

https://api.z.ai/api/coding/paas/v4

Models: GLM-5-FP8 (modal.direct) , GLM-5 + GLM-5.1 (z.ai)
Model GLM-5-TURBO seems to work correct at the moment.