GLM Flash
Z.ai's cheap, fast companion line.
GLM Flash is Z.ai's fast tier: GLM-5.3 Flash at $0.15 in / $0.50 out per MTok with cache reads at $0.03, and FlashX, the faster variant, at $0.37/$1.25. The 4.x Flash models are free.
What it is good at
- High-volume steps at $0.15 in / $0.50 out per MTok
- Free 4.x Flash models for try-out work
What it is less good at
- No benchmarks published by Z.ai for the Flash line
- No TeamCLI seat has run it — the endpoint seats run the main GLM line
Reaching it with TeamCLI
- The same Claude Code endpoint route as the GLM 5.3 seat, pointed at glm-5.3-flash; no seat has run it yet.
Versions
One block per version, the current one first, each with its own anchor. The comparison table puts the costs and the family's benchmark columns side by side; the values are verbatim, and every one is sourced and dated in its version's section below and in the Sources list. A dash means the source publishes no figure, and nothing here is estimated.
No independent intelligence or speed index is republished here: Artificial Analysis measures both across labs, and its terms allow the link but not the copy — its figures live on its own pages.
| Version | Released | Context | Input price | Output price |
|---|---|---|---|---|
| GLM-5.3 Flash — current | — | — | $0.15 / MTok | $0.50 / MTok |
| GLM-5.3 FlashX | — | — | $0.37 / MTok | $1.25 / MTok |
| GLM-4.7 Flash | — | — | Free | Free |
| GLM-4.5 Flash | — | — | Free | Free |
GLM-5.3 Flash — current
- Model id:
glm-5.3-flash
Abilities
- Released: —
- Context window: —
- Max output: —
- Output speed: —
- Latency: —
Costs
- Input price: $0.15 / MTok — Z.ai — pricing (read 2026-10-19). Cached input $0.03
- Output price: $0.50 / MTok — Z.ai — pricing (read 2026-10-19).
GLM-5.3 FlashX
- Model id:
glm-5.3-flashx
Abilities
- Released: —
- Context window: —
- Max output: —
- Output speed: —
- Latency: —
Costs
- Input price: $0.37 / MTok — Z.ai — pricing (read 2026-10-19). The faster Flash variant
- Output price: $1.25 / MTok — Z.ai — pricing (read 2026-10-19).
GLM-4.7 Flash
- Model id: —
Abilities
- Released: —
- Context window: —
- Max output: —
- Output speed: —
- Latency: —
Costs
- Input price: Free — Z.ai — pricing (read 2026-10-19).
- Output price: Free — Z.ai — pricing (read 2026-10-19).
GLM-4.5 Flash
- Model id: —
Abilities
- Released: —
- Context window: —
- Max output: —
- Output speed: —
- Latency: —
Costs
- Input price: Free — Z.ai — pricing (read 2026-10-19).
- Output price: Free — Z.ai — pricing (read 2026-10-19).
Sources
- Z.ai — pricing — read 2026-10-19
Figures refreshed 2026-10-19; benchmarks are vendor-reported. Prices are per million tokens unless a figure says otherwise.