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Z.ai: GLM 5.3 Prime

z-ai/glm-5-3-prime
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GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration.

Modalities
In / out per 1M$2.80 / $8.80
Context1M
ReleasedSep 23, 2026

Providers

1 provider serves this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Alibaba Cloud Int.$2.80$8.80$0.561.14s63 tps99.95%

Market-wide measurements, refreshed every 15 minutes. They describe who serves GLM 5.3 Prime in general, not how ProjectCOZY routes your requests.

Pricing

List rates per 1M tokens — what GLM 5.3 Prime costs pay-as-you-go elsewhere, not what you pay here.

Input
$2.80
per 1M tokens
Output
$8.80
per 1M tokens
Cache read
$0.56
per 1M cached tokens
Included in every pass
GLM 5.3 Prime is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.

Performance

Time to first token and output speed across every provider, over the last 3 days.

0.0s20.0s40.0s60.0s80.0s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
Median 90th percentile 99th percentile
0 tok/s50 tok/s100 tok/s150 tok/s200 tok/s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
Median 90th percentile 99th percentile

Uptime

100% of requests were served successfully over the last 3 days, across all providers.

Last 3 daysAvailability 99.43%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 99.34%
100% 97% 93% 90%
Oct 13, 2:40 PMNow

Apps

Tools that most often run GLM 5.3 Prime, by tokens this week.

piCli Agent · 35.1% of tokens9.3BClineIde Extension · 22.6% of tokens6.0BKimi Code CLI15.4% of tokens4.1BHermes AgentPersonal Agent · 15.2% of tokens4.0BClaude CodeCli Agent · 11.7% of tokens3.1B

Activity

170.6B tokens processed market-wide in the last month.

05.0B10.0B15.0B20.0B
Sep 23Sep 28Oct 3Oct 8Oct 13
Tokens

FAQ

Which model id do I use for GLM 5.3 Prime?
z-ai/glm-5.3-prime. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does GLM 5.3 Prime hold?
1,000,000 tokens per request, of which up to 131,072 can be the response.
What can it accept and return?
Input: text. Output: text.
What does GLM 5.3 Prime cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $2.80 per 1M input tokens and $8.80 per 1M output tokens.
Who built GLM 5.3 Prime?
Z.ai, in the GLM family.

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