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Exa Launches Agent Ultra: A Subagent Swarm Deep Research API Built for Exhaustive List Building

Exa has released Agent Ultra, the highest effort mode of its Exa Agent API. It coordinates subagents across thousands of sources for list building and entity enrichment. Exa reports it beats Opus 5.5, GPT-6 Astra, and Perplexity Agent on 4 benchmarks, including 81.4% soft recall on WANDR. The post…

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  1. 2026-09-26 08:04 · MarkTechPost
    Exa Launches Agent Ultra: A Subagent Swarm Deep Research API Built for Exhaustive List Building

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