Head to head

GLM 4.7 Flash Heretic vs GLM 5.3 Flash Uncensored

Price, context, inputs and filters. No benchmarks theatre.

Swap sides

GLM 4.7 Flash Heretic costs 2.5× less per message.

GLM 5.3 Flash Uncensored holds 5.2× more context.

Fact

GLM 4.7 Flash HereticZ.AI

UncensoredChat with GLM 4.7 Flash Heretic

GLM 5.3 Flash UncensoredZ.AI

UncensoredChat with GLM 5.3 Flash Uncensored

Made by

Z.AI

Content tier

Uncensored

Intelligence

Quick

Smart & Cheap

Estimated price per message

~0.23 credits≈ 434 messages for $1

~0.58 credits≈ 172 messages for $1

Context window

200K tokens≈ 308 pages of text in one go

1M tokens≈ 1,613 pages of text in one go

Reads

Text

Text, Images

Writes

Text

Tool use

Yes - search, memory, code and more

Served via

Venice.ai, Unbottled AI

NanoGPT, 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.

GLM 4.7 Flash Heretic details GLM 5.3 Flash Uncensored details