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co-mono/packages/ai/CHANGELOG.md
Mario Zechner 86e5a70ec4 Add totalTokens field to Usage type 
- Added totalTokens field to Usage interface in pi-ai
- Anthropic: computed as input + output + cacheRead + cacheWrite
- OpenAI/Google: uses native total_tokens/totalTokenCount
- Fixed openai-completions to compute totalTokens when reasoning tokens present
- Updated calculateContextTokens() to use totalTokens field
- Added comprehensive test covering 13 providers

fixes #130
2025-12-06 22:46:02 +01:00

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Changelog

[Unreleased]

Breaking Changes

  • Added totalTokens field to Usage type: All code that constructs Usage objects must now include the totalTokens field. This field represents the total tokens processed by the LLM (input + output + cache). For OpenAI and Google, this uses native API values (total_tokens, totalTokenCount). For Anthropic, it's computed as input + output + cacheRead + cacheWrite.

[0.12.10] - 2025-12-04

Added

  • Added gpt-5.1-codex-max model support

Fixed

  • OpenAI Token Counting: Fixed usage.input to exclude cached tokens for OpenAI providers. Previously, input included cached tokens, causing double-counting when calculating total context size via input + cacheRead. Now input represents non-cached input tokens across all providers, making input + output + cacheRead + cacheWrite the correct formula for total context size.

  • Fixed Claude Opus 4.5 cache pricing (was 3x too expensive)

    • Corrected cache_read: $1.50 → $0.50 per MTok
    • Corrected cache_write: $18.75 → $6.25 per MTok
    • Added manual override in scripts/generate-models.ts until upstream fix is merged
    • Submitted PR to models.dev: https://github.com/sst/models.dev/pull/439

[0.9.4] - 2025-11-26

Initial release with multi-provider LLM support.