Z.AI
GLM-5.1 FP8
Flagship GLM model for hybrid reasoning, coding, and agentic engineering
Model facts
- Context window
- 203K tokens
- Maximum output
- 131K tokens
- Cheapest paid input
- $0.85 per 1M tokens
- Cheapest paid output
- $3.3 per 1M tokens
- Open weights
- yes
- Providers
- 1
Capabilities and modalities
reasoning, tool calling, structured output, temperature control, open weights, text.
Local hardware estimate
At 4K context: Q4_K_M 462.4 GiB, Q8_0 813.5 GiB, F16 1471.7 GiB working memory.
- Parameters
- 753.9 billion
- Architecture
- glmmoedsa
- Model license
- mit
Planning estimate adapted from the MIT-licensed whichllm estimator using metadata from Hugging Face; not a vendor minimum requirement.
Observed price history
- 2026-08-24: $0.85 input / $3.3 output per 1M tokens
API providers
- NEAR AI Cloud — model id zai-org/GLM-5.1-FP8; $0.85 input / $3.3 output per 1M tokens; provider documentation