GLM-5.3-Flash vs Inkling

Specs, VRAM requirements and download trends — updated 23 October 2026.

zai-org · A · Open weights
Params
321.3 B
Context
—
30d
6.4 M
mit · commercial OK
thinkingmachines · B · Open weights
Params
952.4 B
Context
—
30d
1.4 M
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification GLM-5.3-Flash Inkling
Deployment Open weights · also via API Open weights · also via API
Parameters 321.3 B 952.4 B
Architecture Glm5NextForConditionalGeneration InklingForConditionalGeneration
Context length 1,048,576 524,288
Licence mit apache-2.0
Commercial use Allowed Allowed
Languages 2 —
Downloads 30d 6,421,899 1,383,288
Downloads all time 10.2 M 1.9 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-08-25 2026-07-14
API input price / 1M tokens $0.0052 $1.00
API output price / 1M tokens $0.20 $4.05
Est. cost per 1M input + 1M output tokens $0.20 $5.05
Cached input / 1M tokens $0.0052 $0.17
AA Intelligence Index 41.8 25
AA Coding Index 71.5 52.1
AA Agentic Index 50.9 22.5
Max output tokens 943,718 471,859
API providers 32 1
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

GLM-5.3-Flash $0.20
Inkling $5.05

GLM-5.3-Flash is 24.8× cheaper at list price.

Download trend

Daily snapshots, last 55 days (30 Aug – 23 Oct)

6.6 M190 K
GLM-5.3-Flash Inkling

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

GLM-5.3-Flash · fp16 409.9 GB / 24 GB
❌ Won’t fit
Inkling · fp16 2,238.6 GB / 24 GB
❌ Won’t fit

Adjacent comparisons