SID
sid.ai
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Team
11-50
employees, estimated range
Backers
1
Y Combinator
Momentum
0/100
no fresh signals
Last sign of life
1 mo ago
a posting or a news item
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
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News
SID-1 Technical Report: Test-Time Compute for Retrieval
SID-1 is the first model trained end-to-end with RL solely for agentic retrieval. It reaches 0.84 recall on a diverse benchmark, compared to 0.78 for GPT-5.1 and 0.45 for traditional reranking pipelines. This report covers our infrastructure, reward desig
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Report