AIRaindrop Simulations launches in early access for agent testing
The launch announcement says the tool automatically creates “entire worlds” around an agent to safely test changes before they reach production.
TLDR
Raindrop’s team announced early access to Simulations on September 17, 2026, saying it automatically creates worlds around an agent to safely test changes before production. The team also announced a Series A led by CRV, with participation from researchers and leaders at Anthropic, Thinking Machines and OpenAI—not the companies themselves.
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Raindrop Simulations launches in early access for agent testing
The launch announcement says the tool automatically creates “entire worlds” around an agent to safely test changes before they reach production.
TLDR
Raindrop’s team announced early access to Simulations on September 17, 2026, saying it automatically creates worlds around an agent to safely test changes before production. The team also announced a Series A led by CRV, with participation from researchers and leaders at Anthropic, Thinking Machines and OpenAI—not the companies themselves.