# Changelog

## 0.1.0-beta.1 — 2026-07-16

Initial public beta.

### Added

- StepFun China Step Plan provider
- China endpoint: `https://api.stepfun.com/step_plan/v1`
- API-key authentication through Pi `/login`
- `step-3.7-flash`
- `step-3.5-flash-2603`
- `step-3.5-flash`
- `step-router-v1`
- Reasoning level mappings
- Function tool-call verification
- API and provider verification scripts

### Verified

- Step 3.7 Flash: low, medium, high
- Step 3.5 Flash 2603: low and high
- Step 3.5 Flash
- Step Router V1: low, medium, high
- Step 3.7 multi-turn tool calls
- Step Router tool calls

### Known limitations

- Step Router tool-call behavior can vary according to the routed backend model.
- Very large context-window boundaries have not been exhaustively tested.
- Cost fields are set to zero because Step Plan is subscription-based; this does not mean API usage is free.