What is the cheapest GLM 5.3 API provider?

Phala is the cheapest healthy provider we track at $0.91 per 1M input tokens and $2.86 per 1M output tokens.

How much does GLM 5.3 cost?

Across 23 providers, input prices range from $0.8775 to $2.10 per 1M tokens and output prices from $2.86 to $6.60.

What is GLM 5.3’s context window?

GLM 5.3 supports up to 1.31M tokens, but some providers serve a smaller context window — check the table before choosing.

Z.ai · open weights

GLM 5.3 API pricing by provider

GLM 5.3 is available from 23 providers. The cheapest is Phala at $0.91 input / $2.86 output per 1M tokens. Z.ai’s own API charges $1.40 / $4.40, 35% more than the cheapest host. The priciest host, BaseTen, charges 2.3x the cheapest.

Prices from the OpenRouter API, retrieved September 15, 2026. Weights: zai-org/GLM-5.3.

Provider	Precision	Input / 1M	Output / 1M	Document Q&A / month	Context	Max output
Phala	—	$0.91	$2.86	$449.80	1.05M	131K
Reka	fp8	$0.8775	$2.97	$440.10	262K	236K
DeepInfra	fp4	$0.90	$3.00	$450.00	1.05M	131K
Morph	fp8	$0.90	$3.069	$452.07	1.05M	944K
Novita	fp8	$1.092	$3.432	$539.76	1.05M	131K
GMICloud	fp8	$1.12	$3.52	$553.60	1.05M	944K
Wafer	—	$0.95	$4.40	$512.00	1.05M	944K
Inceptron	fp4	$1.07	$4.092	$550.72	1.05M	944K
Decart	fp4	$1.19	$3.74	$588.20	1.05M	944K
Sail Research	fp8	$1.257	$3.951	$621.42	1.05M	131K
DigitalOcean	—	$1.26	$3.96	$622.80	1.05M	128K
Friendli	—	$1.26	$3.96	$622.80	1.05M	944K
AkashML	fp8	$1.30	$4.40	$652.00	1.05M	944K
Baidu	fp8	$1.40	$4.40	$692.00	1.05M	131K
SiliconFlow	fp8	$1.40	$4.40	$692.00	1.05M	262K
Together	—	$1.40	$4.40	$692.00	1.05M	944K
Parasail	fp8	$1.40	$4.40	$692.00	1.05M	944K
Modal	—	$1.40	$4.40	$692.00	1.05M	944K
BaseTen	fp4	$1.40	$4.40	$692.00	1.05M	262K
Fireworks	—	$1.40	$4.40	$692.00	1.05M	944K
Cloudflare	—	$1.40	$4.40	$692.00	1.31M	1.18M
AtlasCloud	fp8	$1.40	$4.40	$692.00	262K	131K
Z.AIcreator	fp8	$1.40	$4.40	$692.00	1.05M	131K
BaseTen	fp8	$2.10	$6.60	$1,038	1.05M	262K

Sorted by blended price (3 input : 1 output). Document Q&A assumes 50,000 questions a month with 8,000 input and 600 output tokens each. Precision is reported by the provider; “—” means not disclosed.

Frequently asked questions

What is the cheapest GLM 5.3 API provider?: Phala is the cheapest healthy provider we track at $0.91 per 1M input tokens and $2.86 per 1M output tokens.
How much does GLM 5.3 cost?: Across 23 providers, input prices range from $0.8775 to $2.10 per 1M tokens and output prices from $2.86 to $6.60.
What is GLM 5.3’s context window?: GLM 5.3 supports up to 1.31M tokens, but some providers serve a smaller context window — check the table before choosing.

Frequently asked questions

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