GLM-5.3 FlashX

z-ai/glm-5.3-flashx

high-speed GLM-5.3 Flash with 1M context.

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

Intelligence index

not yet scored

Coding index

not yet scored

Input

$0.37 /M

Output

$1.25 /M

Cache read

$0.07 /M

Agent-loop cost

$0.16 /M in

Context window

1M tokens

Released

September 18, 2026

Modalities

→

vs. the lineup

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

pin a rival:

Model	Intelligence	Coding	Input $/M	Output $/M	Blended $/M	Context
GLM-5.3	44.8◆	74.8◆	$1.40◆	$4.40◆	$2.15◆	1M◆
GLM-5.3 Flash	41.8◆	71.5◆	$0.15◆	$0.50◆	$0.24◆	1.05M◆
GLM-5.2	33.7◆	68.8◆	$1.40◆	$4.40◆	$2.15◆	1M◆
GLM-5.1	26.1◆	55.8◆	$1.40◆	$4.40◆	$2.15◆	200K◆
GLM-5.3 FlashX ◆	—◆	—◆	$0.37◆	$1.25◆	$0.59◆	1M◆
GLM-5.2 Fast	—◆	—◆	$3◆	$10.25◆	$4.81◆	1M◆
DeepSeek V4 Pro (latest)pinned	36◆	68.8◆	$0.66◆	$1.98◆	$0.99◆	1M◆
DeepSeek V4 Flash (latest)pinned	34◆	69.1◆	$0.15◆	$0.60◆	$0.26◆	1M◆

Compare all 88 models →

usage calculator

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

Input tokensfresh prompt

800

Output tokensmodel reply

180

Cache read tokensre-read context

50K

cost / request $0.0043 · in $0.37 · out $1.25 · cache $0.07 per M

fresh input 7%output 5%cache reads 88%

Requests / 30 days

1.4K

$6 credits ÷ $0.0043 per request

~281 quick fixes~56 bug fixes~9 feature PRs

what real work costs

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

One agent task

$0.04

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

What you pay

$0.22 /M

all-in across every token that task touched

Sticker input

$0.37 /M

cache reads bill at $0.07 /M instead

Task	Tokens in · out	GLM-5.3 FlashX	MiMo V2.6 Pro	Claude Haiku 4.5
Quick lookup / one-liner	8K · 1K	$0.0021	$0.0012	$0.0065
Review a 500-line PR	60K · 4K	$0.01	$0.01	$0.04
Fix a bug (agent loop)	180K · 12K	$0.04	$0.03	$0.12
Refactor a module	320K · 20K	$0.08	$0.06	$0.21
Full-repo agent run	900K · 45K	$0.18	$0.13	$0.49

frequently asked

How much does GLM-5.3 FlashX cost?

$0.37/M input and $1.25/M output, cache reads $0.07/M. In an agent loop most input is cache-read, so the effective input rate is about $0.16/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-flashx, or type /model in a session and pick it. You can switch mid-session without losing context.

GLM-5.3 Flash→

fast, affordable GLM coding with 1M context · $0.15/$0.50 per M

GLM-5.3→

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

All supported models→

sortable by score and price