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GLM-5.3 Flash API — how to connect and pay

A high-performance model tuned for a broad range of tasks.

Input ($/1M)
0.0112
Output ($/1M)
0.0371
Cache: read / write ($/1M)
0.00112 / 0.0112
Context
1M

Prices in $, updated October 25, 2026.

Performance

Last 7 days: responses / client requests that reached a supplier. Retries of one request count once; input checks, disabled routes, and client cancellations do not lower model quality.

Availability

95.92%

client requests over 7 days

Average latency

15.80 s

to full response

TTFT

5.95 s

to first token

Speed

75 tok/s

generation speed, tok/s (median)

Strengths

  • OpenAI-compatible access
  • Single key for all models

Good for

  • Chat assistants
  • Automation
  • Text processing
  • Product integration

Capabilities

Context
1M tokens
Max output
128K tokens
Input
text, image
Tool calling
supported
JSON mode
not listed
Vision
yes
Reasoning
thinking — Reasoning tokens are billed at the output rate

The cheapest GLM 5.3 tier; 1M context, reasoning and agentic tool-use.

Providers

Comparison of public providers for this model: price, availability, TTFT, speed and cache. Metrics are from real traffic; where there is none, a probe or «—».

Provider
Defaultdefault
glm-5.3-flash

Minimum charge per request — $0.0000143 (supplier rule): short requests are billed no less than this amount

Input $/1M
0.0112
Output $/1M
0.0371
Context
1M / 128K
Availability
0.00%
TTFT
—
Speed
—
Cache hit
—
Caching
yes

Offers

One line per price level: our input / output price per 1M tokens, the discount off the official list price, and how many connected merchant subscription accounts are offering there.

:codebuddy
codebuddy
Typical price you actually pay: $0.0139 / $0.0461 per 1M tokens

Based on 940 paid requests, last 24 hours

$0.0112 / $0.037192.5% off· 1 account· 11% filled
$0.0123 / $0.040891.8% off· 506 accounts· 2% filled
$0.0127 / $0.042391.5% off· 600 accounts· <1% filled
$0.0134 / $0.044591.1% off· 4 accounts· 5% filled
$0.0143 / $0.047590.5% off· 3 accounts· 2% filled
$0.0145 / $0.048290.3% off· 1354 accounts· 0% filled
official $0.15 / $0.5
:codebuddy-cn
codebuddy-cn
Typical price you actually pay: $0.0106 / $0.0352 per 1M tokens

Based on 22,881 paid requests, last 24 hours

$0.0123 / $0.040891.8% off· 1145 accounts· 3% filled
$0.0127 / $0.042391.5% off· 1 account· 3% filled
$0.0138 / $0.04690.8% off· 33 accounts· 2% filled
$0.0147 / $0.048990.2% off· 196 accounts· 11% filled
$0.0149 / $0.049790.1% off· 4 accounts· <1% filled
$0.0156 / $0.051989.6% off· 7 accounts· 0% filled
official $0.15 / $0.5
:opencode
opencode
Typical price you actually pay: $0.0999 / $0.333 per 1M tokens

Based on 37 paid requests, last 24 hours

$0.1109 / $0.369726.1% off· 1 account· 73% filled
official $0.15 / $0.5
market only
zai
$0.0003 / $0.000899.8% off· 5 accounts
$0.0093 / $0.030893.8% off· 1 account
$0.0105 / $0.03593% off· 1 account
$0.0215 / $0.071585.7% off· 2 accounts
$0.0429 / $0.142971.4% off· 1 account
$0.0748 / $0.249350.1% off· 1 account
official $0.15 / $0.5
market only
command-code
$0.0855 / $0.28543% off· 3 accounts
$0.0858 / $0.285842.8% off· 5 accounts
$0.0941 / $0.313637.3% off· 10 accounts
$0.1072 / $0.357228.5% off· 2 accounts
official $0.15 / $0.5
market only
clinepass

No offers right now

market only
clinepass

No offers right now

Key facts

The live catalog contains 74 text models.

GLM-5.3 Flash: 0.0112 $ input and 0.0371 $ output per 1M tokens.

FAQ about the GLM-5.3 Flash API

How much does GLM-5.3 Flash cost?

The price of GLM-5.3 Flash: $0.0112 per 1M input · $0.0371 per 1M output tokens. Pay only for the tokens you use — no subscriptions or flat fees.

Is it compatible with the OpenAI SDK?

Yes, the API is fully OpenAI-compatible. Just change base_url to https://getvibeapi.com/v1 and set your key — the rest of the code stays the same.

Connect GLM-5.3 Flash right now

Sign up in a minute, pay per use, ready-made code above.

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