# AI Cut Financial-Analysis Token Use by More Than Seventy-Five Percent by Joe Poirier > "On our private suite of 2,441 finance tasks covering Q&A, extraction, analysis, and forecasting, Claude Sonnet 5.5 scored ahead of Sonnet 5 and used about 121k tokens per answer, where Sonnet 5 used 497k. On our analyst search and retrieval work, it was better than Sonnet 5 in almost every way." > **— Joe Poirier**, *Introducing Claude Sonnet 5.5, September 28, 2026* ## Sources and Context - **Direct publication:** [Introducing Claude Sonnet 5.5](https://www.anthropic.com/claude-sonnet-5-5) — published September 28, 2026. - **Exact published statement:** “On our private suite of 2,441 finance tasks covering Q&A, extraction, analysis, and forecasting, Claude Sonnet 5.5 scored ahead of Sonnet 5 and used about 121k tokens per answer, where Sonnet 5 used 497k. On our analyst search and retrieval work, it was better than Sonnet 5 in almost every way.” - **Context and evidence boundary:** Poirier reported results from Balyasny's private suite of 2,441 financial-analysis tasks. - **Weekly source dossier:** [[research/Weekly Reminder Hunt - 2026-10-02|Weekly Reminder Hunt — October 2, 2026]] preserves the selection rationale and the other authoritative statements reviewed in the same production cycle. ## Related Articles and Collections - **Collection:** [[collections/Simple Reminders|Simple Reminders]] - **Collection:** [[collections/Machine Succession|Machine Succession]] - **Article:** [[articles/The Gigawatt Is the New Measure of War|The Gigawatt Is the New Measure of War]] ## Related Topics - [[wiki/Joe Poirier|Joe Poirier]] - [[wiki/AI Price-Performance|AI Price-Performance]] - [[wiki/AI Access|AI Access]] - [[wiki/Compute Scarcity|Compute Scarcity]] ## Share on Social Media ``` "On our private suite of 2,441 finance tasks covering Q&A, extraction, analysis, and forecasting, Claude Sonnet 5.5 scored ahead of Sonnet 5 and used about 121k tokens per answer, where Sonnet 5 used 497k. On our analyst search and retrieval work, it was better than Sonnet 5 in almost every way." — Joe Poirier, Introducing Claude Sonnet 5.5, September 28, 2026 https://bryantmcgill.com/simple-reminders-poirier-ai-cut-financial-analysis-token-use-more ```