GLM-5.3 Flash

z-ai/glm-5.3-flash

fast, affordable GLM coding with 1M context.

cmd --model z-ai/glm-5.3-flash

Intelligence index

not yet scored

Output speed

not yet scored

Input

$0.15 /M

Output

$0.50 /M

Cache read

$0.03 /M

Agent-loop cost

$0.07 /M in

Context window

1.05M tokens

Released

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Modalities

→

vs. the lineup

GLM-5.3 Flash beside its stablemates and nearest rivals. The ◆ marks the best value in each column across every row shown.

pin a rival:

Model	Intelligence	Coding	Speed	Input $/M	Output $/M	Blended $/M	Context
GLM-5.3	59.5◆	74.8◆	79.6◆	$1.40◆	$4.40◆	$2.15◆	1M◆
GLM-5.2	52.6◆	68.8◆	69◆	$1.40◆	$4.40◆	$2.15◆	1M◆
GLM-5.1	41◆	55.8◆	28.2◆	$1.40◆	$4.40◆	$2.15◆	200K◆
GLM-5	40.6◆	—◆	—◆	$1◆	$3.20◆	$1.55◆	200K◆
GLM-5.3 Flash ◆	—◆	—◆	—◆	$0.15◆	$0.50◆	$0.24◆	1.05M◆
GLM-5.2 Fast	—◆	—◆	—◆	$3◆	$10.25◆	$4.81◆	1M◆
DeepSeek V4 Pro (latest)pinned	53.2◆	68.8◆	75.3◆	$0.66◆	$1.98◆	$0.99◆	1M◆
DeepSeek V4 Flash (latest)pinned	52◆	69.1◆	114.6◆	$0.22◆	$0.66◆	$0.33◆	1M◆

Compare all 62 models →

usage calculator

How far a month of credits goes on GLM-5.3 Flash.

Input tokensfresh prompt

800

Output tokensmodel reply

180

Cache read tokensre-read context

50K

cost / request $0.0017 · in $0.15 · out $0.50 · cache $0.03 per M

fresh input 7%output 5%cache reads 88%

Requests / 30 days

5.8K

$10 credits ÷ $0.0017 per request

~1.2K quick fixes~234 bug fixes~39 feature PRs

what real work costs

Real coding tasks priced end to end on GLM-5.3 Flash, from a quick lookup to a full-repo agent run.

One agent task

$0.02

180K in at 75% cache hit, 12K out

What you pay

$0.09 /M

all-in across every token that task touched

Sticker input

$0.15 /M

cache reads bill at $0.03 /M instead

Task	Tokens in · out	GLM-5.3 Flash	Muse Spark 1.2 Contributor	Claude Haiku 4.5
Quick lookup / one-liner	8K · 1K	$0.0008	$0.0003	$0.0065
Review a 500-line PR	60K · 4K	$0.0060	$0.0027	$0.04
Fix a bug (agent loop)	180K · 12K	$0.02	$0.0072	$0.12
Refactor a module	320K · 20K	$0.03	$0.01	$0.21
Full-repo agent run	900K · 45K	$0.07	$0.03	$0.49

frequently asked

How much does GLM-5.3 Flash cost?

$0.15/M input and $0.50/M output, cache reads $0.03/M. In an agent loop most input is cache-read, so the effective input rate is about $0.07/M.

Which plan do I need?

Available on Go and above.

How do I switch to it?

Run cmd --model z-ai/glm-5.3-flash, or type /model in a session and pick it. You can switch mid-session without losing context.

GLM-5.3→

frontier coding with emergent cyber capabilities · $1.40/$4.40 per M

GLM-5.2→

powerful coding with 1M context and long-horizon tasks · $1.40/$4.40 per M

All supported models→

sortable by score, speed and price