All models
Head to head
GLM 4.5v vs GLM-5.3 Flash
Price, context, inputs and filters. No benchmarks theatre.
GLM-5.3 Flash costs 3.9× less per message.
GLM-5.3 Flash holds 16× more context.
Made by
Z.AI
Z.AI
Content tier
Open
Open
Intelligence
Quick
Quick
Estimated price per message
~1.6 credits≈ 62 messages for $1
~0.41 credits≈ 243 messages for $1
Context window
66K tokens≈ 101 pages of text in one go
1M tokens≈ 1,613 pages of text in one go
Reads
Text, Images
Text, Images, Video
Writes
Text
Text
Tool use
Yes - search, memory, code and more
Yes - search, memory, code and more
Served via
OpenRouter, Unbottled AI
OpenRouter, Unbottled AI
Status
Legacy
Current
A typical message: 16K tokens in, 1.5K out. Short replies cost less. Models served via OpenRouter bill the real provider cost plus our markup, so actual charges vary. 1 credit = $0.01.