Release v0.4.0 - 2026-03-17

Highlights

• Enzan now ships with seeded LLM and GPU pricing catalogs for common models and hardware profiles.
• Admin-authorized Kaizen API keys can update Enzan pricing entries through the API, SDKs, and MCP.
• Public SDKs and the MCP server now expose Enzan pricing-catalog workflows end to end.

Product Changes

Enzan

• Added default pricing catalogs for popular LLMs and GPUs so Enzan can start from a useful baseline immediately.
• Added admin-authorized pricing-catalog management for model pricing and GPU pricing entries.

API Changes

• Added:
  • GET /v1/enzan/pricing/models
  • POST /v1/enzan/pricing/models
  • GET /v1/enzan/pricing/gpus
  • POST /v1/enzan/pricing/gpus

SDK + MCP Changes

TypeScript SDK

• Added enzan.listModelPricing(...), enzan.upsertModelPricing(...), enzan.listGPUPricing(...), and enzan.upsertGPUPricing(...).

Python SDK

• Added enzan.list_model_pricing(...), enzan.upsert_model_pricing(...), enzan.list_gpu_pricing(...), and enzan.upsert_gpu_pricing(...).

Go SDK

• Added Enzan.ListModelPricing(...), Enzan.UpsertModelPricing(...), Enzan.ListGPUPricing(...), and Enzan.UpsertGPUPricing(...).

MCP Server

• Added enzan.pricing_models, enzan.set_model_pricing, enzan.pricing_gpus, and enzan.set_gpu_pricing.

Migration Notes

• Production now seeds default Enzan pricing catalogs automatically when the pricing tables are empty.
• Existing deployments do not need client-side changes to read pricing catalogs.

Documentation Updates

• Updated the public API docs, SDK examples, MCP docs, and Enzan implementation plan for the pricing catalog workflow.