GLM-5.3-Flash
Zhipu / Z.ai · released 2026 · open weights
- Open weights, self-hostable
MIT-licensed open weights with the same 1M context as the flagship at roughly a tenth of its rate; the open side of this ledger's 1M-context price gap.
Context window
1M
1,000,000 tokens
Input price
$0.15
per 1M tokens
Output price
$0.50
per 1M tokens
Blended
$0.24
3:1 in:out mix
Weights
Open
self-hostable
Released
2026
Zhipu / Z.ai
Long-context / tier pricing — Cached input $0.03/1M. Max output 128K. Listed prices are the base rate for prompts up to ~200K tokens.
Open-weights API prices are representative third-party-hosted rates; self-hosting costs only your own hardware.
Where it ranks
Of 32 models tracked.
Cost to run
#2
of 32
Input price
#2
of 32
Context window
#6(tied)
of 32
Compare with
The nearest models by blended cost to run.
Put it to work
Specs from BitByteCore's hand-verified Frontier Ledger (v2026-09-19), this row verified 19 Sep 2026 against Zhipu / Z.ai's official pricing ↗. Model pricing moves fast, so confirm with Zhipu / Z.ai before you rely on a figure.