feat(ai): Add granular cost attributes for cache and reasoning#461
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Add three new cost attributes that mirror the usage token sub-categories: - gen_ai.cost.cache_read.input_tokens - gen_ai.cost.cache_creation.input_tokens - gen_ai.cost.reasoning.output_tokens Update existing cost descriptions to accurately reflect they include ALL costs (not just raw tokens), and point to the new granular fields for breakdown. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
vgrozdanic
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Lms24
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LGTM from conventions perspective. Had a question about the semantics change
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gen_ai.cost.cache_read.input_tokens— cost of cached input tokens in USDgen_ai.cost.cache_creation.input_tokens— cost of cache-write input tokens in USDgen_ai.cost.reasoning.output_tokens— cost of reasoning output tokens in USDgen_ai.cost.input_tokensandgen_ai.cost.output_tokensdescriptions to accurately reflect they include ALL costs (not just raw tokens), and point to the new granular fields for breakdown