GLM-5.2 Ponytail Ultra
glm-5.2 carrying a built-in ruleset that compresses generated code, preferring platform features over custom code. The most aggressive tier, close to answer-only. Same upstream model and price per token as glm-5.2, with fewer output tokens.
Model facts
- Context window
- 1M tokens
- Maximum output
- 131K tokens
- Cheapest paid input
- $1.25 per 1M tokens
- Cheapest paid output
- $5.02 per 1M tokens
- Open weights
- yes
- Providers
- 1
Capabilities and modalities
reasoning, tool calling, structured output, temperature control, open weights, text.
Observed price history
- 2026-08-24: $1.25 input / $5.02 output per 1M tokens
API providers
- GreenPT — model id glm-5.2-ponytail-ultra; $1.25 input / $5.02 output per 1M tokens; provider documentation