Z.ai: GLM 5.3 Flash

z-ai/glm-5-3-flash

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks.

Modalities
In / out per 1M$0.05 / $0.20
Context1M
ReleasedAug 26, 2026

Providers

34 providers serve this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
inference.netfp4$0.12$0.39$0.030.45s126 tps100%
DigitalOcean$0.13$0.44$0.030.90s103 tps100%
Crusoefp4$0.15$0.50$0.030.78s100 tps100%
Sail Researchus · fp4$0.08$0.30$0.051.10s75 tps100%
Prime Intellect$0.15$0.50$0.030.66s120 tps100%
Modalnvfp4$0.15$0.50$0.030.38s82 tps100%
Sail Researchfp4$0.08$0.30$0.050.99s54 tps100%
Reka AI$0.06$1.60$0.040.74s65 tps100%
Together$0.15$0.50$0.030.96s92 tps99.97%
DeepInfraus · fp4$0.07$0.25$0.011.09s43 tps99.97%
Z.aifp8$0.15$0.50$0.034.02s44 tps99.97%
Relace$0.07$0.50$0.010.89s91 tps99.96%
NextBitfp4$0.25$0.70$0.070.83s80 tps99.94%
Parasailfp4$0.19$0.63$0.041.49s60 tps99.94%
Phalanvfp4$0.13$0.42$0.036.48s19 tps99.91%
Open Inferencefp4$0.05$0.16$0.010.56s81 tps99.89%
Inceptroneu · fp8$0.10$0.55$0.071.40s35 tps99.83%
GMICloudfp8$0.15$0.50$0.031.57s42 tps99.83%
Basetenus · fp8$0.15$0.50$0.030.47s70 tps99.81%
Wafernvfp4$0.08$0.20$0.060.37s137 tps99.8%
NEAR AIfp8$0.08$0.50$0.012.36s13 tps99.77%
Basetenfp8$0.15$0.50$0.031.20s59 tps99.72%
Fireworksus$0.23$0.75$0.040.40s191 tps99.72%
Fireworks$0.15$0.50$0.031.22s82 tps99.7%
NovitaAIfp8$0.08$0.28$0.022.64s33 tps99.69%
Parasailfp4$0.15$0.50$0.032.66s25 tps99.69%
Morphfp8$0.10$0.65$0.031.88s20 tps99.66%
Venice$0.15$0.50$0.030.47s127 tps99.55%
Friendli$0.15$0.50$0.030.70s131 tps99.52%
StreamLakefp8$0.07$0.25$0.011.52s32 tps99.52%
Makora$0.14$0.47$0.021.13s81 tps98.99%
SiliconFlowfp8$0.15$0.50$0.031.92s38 tps98.79%
CoreWeavenvfp4$0.15$0.50$0.020.71s143 tps92.14%
AtlasCloudfp8$0.15$0.50$0.032.44s65 tps84.04%

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

Pricing

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

Input
$0.05
per 1M tokens
Output
$0.20
per 1M tokens
Cache read
$0.01
per 1M cached tokens
Included in every pass
GLM 5.3 Flash 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.

0.0s25.0s50.0s75.0s100.0s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Friendli NextBit Parasail Baseten DeepInfra (us) AtlasCloud Phala Modal DigitalOcean GMICloud Inceptron (eu) Fireworks (us) NEAR AI Relace Makora Morph Parasail Venice Reka AI Sail Research Z.ai Baseten (us) inference.net Open Inference StreamLake Crusoe NovitaAI Fireworks Together Sail Research (us) CoreWeave Wafer SiliconFlow Prime Intellect
0 tok/s1000 tok/s2000 tok/s3000 tok/s4000 tok/s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Friendli NextBit Parasail Baseten DeepInfra (us) AtlasCloud Phala Modal DigitalOcean GMICloud Inceptron (eu) Fireworks (us) NEAR AI Relace Makora Morph Parasail Venice Reka AI Sail Research Z.ai Baseten (us) inference.net Open Inference StreamLake Crusoe NovitaAI Fireworks Together Sail Research (us) CoreWeave Wafer SiliconFlow Prime Intellect

Uptime

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

Last 3 daysAvailability 99.78%
Oct 16, 11:00 AMNow
Availability over the last 24 hoursAvailability 99.63%
100% 98% 97% 95%
Oct 18, 11:00 AMNow

Apps

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

Activity

56422.6B tokens processed market-wide in the last month.

02000.0B4000.0B6000.0B8000.0B
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens

FAQ

Which model id do I use for GLM 5.3 Flash?
z-ai/glm-5.3-flash. 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 Flash hold?
1,048,576 tokens per request, of which up to 943,718 can be the response.
What can it accept and return?
Input: text, image, video. Output: text.
What does GLM 5.3 Flash cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $0.05 per 1M input tokens and $0.20 per 1M output tokens.
Who built GLM 5.3 Flash?
Z.ai, in the GLM family.

Explore

Other models your pass can call.