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GLM 5.3 API price
z-ai/glm-5.3
The cheapest GLM 5.3 API is $1.26/M input at OrcaRouter (aggregator) - all 3 providers compared below, per 1M tokens.
FlagshipZ.ai / Zhipu1.0M context3 sellers
Input
$1.26
per 1M tokens · OrcaRouter (aggregator)
up to $1.40
Output
$3.96
per 1M tokens · OrcaRouter (aggregator)
up to $4.40
Where to buy it
Cheapest GLM 5.3 API providers compared - 3 sellers, from $1.26/M.
| Provider | Input $/M | Output $/M | Cached in | Uptime |
|---|---|---|---|---|
| OrcaRouter (aggregator) | 1.26cheapest | 3.96 | - | - |
| Z.AI (via OpenRouter)fp8 | 1.40 | 4.40 | 0.260 | 100% |
| TokenRouter (aggregator) | 1.40 | 4.40 | 0.260 | - |
1.1× between the cheapest and the dearest of 3 sellers.
Against its tier
- This model$5.22
- Cheapest · GLM 5.3 Flash$0.29
- Tier median · Grok 4.6$8.00
- Dearest · GPT 5.5 Pro (04-23 snapshot)$330.00
#11 of 31 flagship · cheaper than 67%
Details
- Context window
- 1.0M1,048,576 tokens
- Developer
- Z.ai / Zhipu
- Intelligence
- 59.5max
- Sellers
- 31.1× spread
- Cheapest at
- OrcaRouter (aggregator)
- Combined
- $5.22in + out per 1M
- Last checked
- 2026-08-28
- Availability
- 100.00%median of 1 OpenRouter endpoint, last 30 min