GLM-5.3-Flash, 2× cheaper
The same open-weight GLM-5.3-Flash — fixed USD per-token, a 390K context window and reasoning switched on by default. A flash-class model for agents that plan before they act.
Why run it here
One published USD rate per million tokens, about 2× below OpenRouter on the same model. Pay-as-you-go from a USD balance, so a long agent run costs exactly what the price list says.
Drop-in, OpenAI-compatible
Point any OpenAI- or Anthropic-compatible client at our base URL and set the GLM-5.3-Flash model id. Streaming, tool calls and reasoning output pass straight through, with the full 390K window available.
Use GLM-5.3-Flash
# GLM-5.3-Flash via cheaptokens (OpenAI-compatible)
export OPENAI_BASE_URL="https://api.cheaptokens.dev/v1"
export OPENAI_API_KEY="YOUR_CHEAPTOKENS_KEY"
# model: zai-org/GLM-5.3-FlashGLM-5.3-Flash vs OpenRouter
Per-million-token rates on the exact same model.
| Model | OpenRouter | cheaptokens | You save |
|---|---|---|---|
| GLM-5.3-Flash temporarily unavailable | $0.048 / $0.20 | $0.027 / $0.08 | ~2× cheaper |
| DeepSeek-V4-Flash temporarily unavailable | $0.016 / $0.64 | $0.0221 / $0.10 | ~4× cheaper |
Same models. USD per 1M tokens (input / output). OpenRouter shown for comparison; savings by blended price (3 parts input to 1 part output). · Open cost calculator
FAQ
Is this the same GLM-5.3-Flash?
Yes — the same open-weight GLM-5.3-Flash, served at a fixed USD per-token rate.
Does it reason before answering?
Yes — reasoning is on by default, which suits multi-step agent and coding tasks. Replies run a little longer because of it.
How do I pay?
Top up a USD balance with crypto — no KYC — or by card through a partner, and spend per-token.
Related use cases
Start with GLM-5.3-Flash
Create an account, top up with crypto, and call GLM-5.3-Flash at a fixed per-token rate.
Get startedOpen-weight model served on cost-efficient infrastructure. Model names are trademarks of their respective owners.