Claude Fable 5.1 & GPT-6 Astra packages are live

indexes

Database

Indexing for real query patterns — column order in composite indexes, when an index is ignored, and the cost of the ones you do not need.

Choose your model

Available for 11 model families. The engineering substance is the same in each; the structure, checklist phrasing and constraint ordering are tuned per family.

Claude

Select→

Deepseek

Select→

Gemini

Select→

Glm

Select→

Grok

Select→

Kimi

Select→

Minimax

Select→

Mistral

Select→

Open Ai

Select→

Qwen

Select→

Sarvam Ai

Select→