Z.ai: GLM 5.3 Flash
Z.ai
Z.ai: GLM 5.3 Flash by Z.ai costs $0.15 per 1M input tokens and $0.50 per 1M output tokens, with a 1M-token context window.
Pricing
Input (per 1M tokens)
$0.15
Output (per 1M tokens)
$0.50
Cached input (per 1M)
$0.03
Specifications
- Provider
- Z.ai
- Context window
- 1M tokens
- Parameters
- —
- Released
- —
- Open weights
- —
- Frontier model
- No
- Hugging Face
- zai-org/GLM-5.3-Flash
Benchmarks
- LMArena Vision Elo
- 1296.0
- LMArena WebDev Elo
- 1606.0
Speed & latency
Time to first token
1.07s
Output speed
445 tok/s
Fastest host: inference-net (via vercel-ai-gateway).
Compare Z.ai: GLM 5.3 Flash with…
FAQ
How much does Z.ai: GLM 5.3 Flash cost?
Z.ai: GLM 5.3 Flash is priced at $0.15 per 1M input tokens and $0.50 per 1M output tokens. Output tokens cost more than input.
What is Z.ai: GLM 5.3 Flash's context window?
Z.ai: GLM 5.3 Flash supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.
Is Z.ai: GLM 5.3 Flash open weight?
Open-weight status for Z.ai: GLM 5.3 Flash is not recorded in our dataset.
Data as of 2026-10-14. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.