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Analysis

OpenAI's Astra for Law pairs a legal index with 26 partner plugins

Legal IT Insider said OpenAI opened a GPT-6 Astra configuration through Trusted Access in ChatGPT and Codex with 26 partner plugins and vendor-claimed gains on a Vals AI legal-research set. The Next Web added that the U.S. legal search index spans more than 230 million URLs and that OpenAI's bench comparison lacks independent audit.

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Bright law-library reading room with blank case folders, legal volumes and an unmarked AI assistant terminal showing abstract document lines.

Trusted Access and partner plugins

Legal IT Insider wrote on 17 September that OpenAI presented Astra for Law as a configuration of GPT-6 Astra rather than a new model, offered through a Trusted Access Program in ChatGPT and Codex. The outlet listed 26 partner plugins including Thomson Reuters, Intapp, Harvey, Legora, DeepJudge and iManage, and said Sullivan & Cromwell and Harvey received early access with a legal-tech API expected soon. OpenAI claimed that on 200 U.S. legal-research questions from the private validation set of Vals AI's Legal Research Bench, Astra for Law showed a 40 percent correctness gain and, at highest reasoning effort, 24 percent more reference cases than GPT-6 Astra with web search alone. Legal IT Insider noted there is no published comparison against licensed legal-research products.[1]

Two hundred questions, half still fail

The Next Web's 18 September report said OpenAI introduced the configuration on 17 September with legal instructions and firm controls atop a U.S. legal search index covering case law, statutes, regulations, court rules and administrative decisions across more than 230 million URLs, with daily additions partly sourced from the Free Law Project. On the same 200-question Vals AI private validation set, the outlet said Astra for Law passed the overall correctness check on 54.0 percent of questions versus 38.7 percent for GPT-6 Astra with web search alone at the highest reasoning effort. The Next Web stressed that nearly half the configured runs still fail the correctness check and that OpenAI's side-by-side figures have not been independently audited.[2]

Vendor math, firm gates

Legal IT Insider carries OpenAI's relative improvement claims and partner names; The Next Web adds absolute pass rates and the scale of the search index while warning readers about unaudited benchmarking. Both outlets agree the first wave runs through Trusted Access rather than a general API release, and both leave pricing, European coverage and head-to-head tests against Westlaw-class products unsettled. Harvey and Legora are named as API builders in The Next Web's account, matching Legal IT Insider's plugin list. The card treats the launch as a configured frontier model plus index, not a standalone new weight file.[1], [2]

References

  1. News sourceLegal IT InsiderOpenAI opened an Astra for Law configuration of GPT-6 Astra↩1↩2
  2. News sourceThe Next WebOpenAI launches Astra for Law with a 230 million URL legal index↩1↩2