Z.ai: GLM 5.3 Flash API pricing
Z.ai: GLM 5.3 Flash by OpenRouter costs $0.15 per 1M input tokens and $0.50 per 1M output tokens (1M in + 1M out = $0.65).
- API model id
z-ai/glm-5.3-flash- Input / 1M
- $0.15
- Output / 1M
- $0.50
- Cached input / 1M
- $0.03
- Context window
- 1.048576M
- Notes
- Price from OpenRouter models API (pass-through of the routed upstream provider; may vary by upstream).
- Source
- https://openrouter.ai/api/v1/models
- Provider type
- Aggregator (HQ: US)
- Regions
- unknown
- EU data residency
- unknown — Routes to upstream providers; location depends on the upstream provider.
- Last verified
- 2026-10-15
Cost estimate
| Provider | Model | Cost |
|---|---|---|
| OpenRouter | Z.ai: GLM 5.3 Flash | $0.28 |
Uses standard list prices (no caching, batch or off-peak discounts). € and CHF rows are priced in that currency by the provider and not converted, so compare them with care.
Other OpenRouter models
- OpenAI: GPT-6.1 Sol: $2.00 / $10.00
- OpenAI: GPT-6 Sol: $2.00 / $10.00
- OpenAI: GPT-6 Luna: $0.10 / $0.50
- OpenAI: GPT-6 Astra: $10.00 / $50.00
- OpenAI: GPT-5.6 Sol: $4.00 / $20.00
- OpenAI: GPT-5.6 Terra: $2.00 / $12.00
- OpenAI: GPT-5.6 Luna: $0.20 / $1.20
- Anthropic: Claude Opus 5.5: $4.00 / $20.00