diff --git a/models.md b/models.md
index 091ce1d..3c4e240 100644
--- a/models.md
+++ b/models.md
@@ -48,6 +48,7 @@ provider — your own cost is your monthly allowance, not per-token billing).
 | `greenpt/green-r` | GreenPT | policy | 100% renewable | $0.35 / $0.95 | Reasoning, renewable energy. |
 | `greenpt/green-l` | GreenPT | policy | 100% renewable | $0.25 / $0.80 | Lightweight, renewable energy. |
 | `greenpt/glm-5.3-flash` | GreenPT | policy | 100% renewable | $0.11 / $0.44 | Fast GLM model, renewable energy. |
+| `greenpt/glm-5.3` | GreenPT | policy | 100% renewable | $1.10 / $4.40 | GLM flagship — strongest agentic model in the green tier, 1M context. |
 | `publicai/apertus-v1.5-8b` | PublicAI | policy | undisclosed | $0.10 / $0.20 | Fully open sovereign model, small/fast. |
 | `publicai/apertus-v1.5-70b` | PublicAI | policy | undisclosed | $0.82 / $2.92 | Fully open sovereign model, large/capable. |