GLM-5.3
Zhipu / Z.ai · released 2026 · open weights
- Open weights, self-hostable
Z.ai's current flagship, and what its own docs tell GLM-5 users to migrate to; 1M context, weights public on zai-org under a non-OSI licence.
Context window
1M
1,000,000 tokens
Input price
$1.40
per 1M tokens
Output price
$4.40
per 1M tokens
Blended
$2.15
3:1 in:out mix
Weights
Open
self-hostable
Released
2026
Zhipu / Z.ai
Long-context / tier pricing — Cached input $0.26/1M. Max output 128K. Text-only inputs. 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 42 models tracked.
Cost to run
#19
of 42
Input price
#19
of 42
Context window
#10(tied)
of 42
Compare with
The nearest models by blended cost to run.
Put it to work
Specs from BitByteCore's hand-verified Frontier Ledger (v2026-10-01), 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.