# Claude 3.5 Sonnet (upgraded) predecessor

entity: /record/claude-3-5-sonnet-v2.md  
predicate: predecessor  
page: /record/claude-3-5-sonnet-v2/predecessor  
as_of: 2026-11-04  

As of November 4, 2026, Claude 3.5 Sonnet (upgraded)'s predecessor on the AsOf record is Claude 3.5 Sonnet, dated October 22, 2024, from a primary source (anthropic.com). The record holds 1 claim on Claude 3.5 Sonnet (upgraded)'s predecessor, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current predecessor

What the record asserts on 2026-11-04.

- [Claude 3.5 Sonnet (upgraded)](/record/claude-3-5-sonnet-v2.md) | predecessor | [Claude 3.5 Sonnet](/record/claude-3-5-sonnet.md) | valid 2024-10-22 to present | conf 0.95 | valid | [clm_EEDA56EFCDBA](/claim/clm_EEDA56EFCDBA.md)
  sources: https://www.anthropic.com/news/3-5-models-and-computer-use

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Claude 3.5 Sonnet (upgraded)](/record/claude-3-5-sonnet-v2.md) | predecessor | [Claude 3.5 Sonnet](/record/claude-3-5-sonnet.md) | valid 2024-10-22 to present | conf 0.95 | valid | [clm_EEDA56EFCDBA](/claim/clm_EEDA56EFCDBA.md)
  sources: https://www.anthropic.com/news/3-5-models-and-computer-use

## Questions this record answers

### What is Claude 3.5 Sonnet (upgraded)'s current predecessor?

Claude 3.5 Sonnet, dated October 22, 2024, from a primary source (anthropic.com). The record asserts this claim as of November 4, 2026 (status valid, confidence 0.95).


## Get this data

- JSON: /v1/entities/claude-3-5-sonnet-v2/predecessor (this fact) · /v1/entities/claude-3-5-sonnet-v2?predicates=predecessor (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "claude-3-5-sonnet-v2", predicates: ["predecessor"]) for every dated value · fetch(id: "/record/claude-3-5-sonnet-v2/predecessor.md") for this page
- Entity twin: /record/claude-3-5-sonnet-v2.md · timeline: /timelines/claude-3-5-sonnet-v2.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.