Token count mismatch after porting SDK: Creating a field name mapping table in implementation

When trying to aggregate token usage with the Claude Agent SDK, the numbers don't match after porting the TypeScript sample to Python. Even though I added the output tokens per-step, they deviate from ...

Gemini billing tokens triple the context. SDK goes to fetch the rest

There is a symptom where long Gemini responses are cut off at 64K tokens. In v2.30.0, released on October 13, 2026, Google's Python SDK included code to cross this break point on its own. It picks up ...