Amazon partners with OpenAI to let users of Amazon's DSP run ads in ChatGPT in a pilot program limited to the US; ChatGPT Ads hit $1B in ARR last month41m ago D-Matrix Connects Raptor XPUs to NVIDIA AI Factories via NVLink Fusion1h ago Source: Meta AI researcher Andrew Tulloch, who came over from Thinking Machine Lab as one of the highest paid employees last year, is leaving the company (Reed Albergotti/Semafor)53m ago Mother Horrified When Instagram’s AI Scours Social Media for Invasive Information About Her Young Daughters57m ago Mach Industries, which makes unmanned military vehicles and weapons, raised $600M in an extension to its $300M Series C, doubling its valuation to $3.7B1h ago Salesforce Unveils Six-Capability Trusted AI Harness for Enterprises1h ago US closes $1.9bn loan to restart the Iowa nuclear plant powering Google1h ago OpenAI Gives US Agencies 50% Off Models, Ending $1 Per Year Deal1h ago 47,000 job listings reveal the engineering roles that AI is creating1h ago Anthropic's Alignment Science lead says there is a ">10%" chance AI could kill all humans within the next decade and is worried about recursive self-improvement (Evan Hubinger/@evanhub)1h ago Ukraine says AI is moving beyond drones and into strike missiles for the first time1h ago Meta Announces Muse AI Agent for Personal Tasks and Organization1h ago Celero raises $275m to bring coherent optics inside AI data centres1h ago Exclusive: Cfo.ai launches an agentic CFO for business founders1h ago

Amazon partners with OpenAI to let users of Amazon's DSP run ads in ChatGPT in a pilot program limited to the US; ChatGPT Ads hit $1B in ARR last month41m ago D-Matrix Connects Raptor XPUs to NVIDIA AI Factories via NVLink Fusion1h ago Source: Meta AI researcher Andrew Tulloch, who came over from Thinking Machine Lab as one of the highest paid employees last year, is leaving the company (Reed Albergotti/Semafor)53m ago Mother Horrified When Instagram’s AI Scours Social Media for Invasive Information About Her Young Daughters57m ago Mach Industries, which makes unmanned military vehicles and weapons, raised $600M in an extension to its $300M Series C, doubling its valuation to $3.7B1h ago Salesforce Unveils Six-Capability Trusted AI Harness for Enterprises1h ago US closes $1.9bn loan to restart the Iowa nuclear plant powering Google1h ago OpenAI Gives US Agencies 50% Off Models, Ending $1 Per Year Deal1h ago 47,000 job listings reveal the engineering roles that AI is creating1h ago Anthropic's Alignment Science lead says there is a ">10%" chance AI could kill all humans within the next decade and is worried about recursive self-improvement (Evan Hubinger/@evanhub)1h ago Ukraine says AI is moving beyond drones and into strike missiles for the first time1h ago Meta Announces Muse AI Agent for Personal Tasks and Organization1h ago Celero raises $275m to bring coherent optics inside AI data centres1h ago Exclusive: Cfo.ai launches an agentic CFO for business founders1h ago

Dev Agents13 min reading time

Best Agent Sandboxes in 2026: Cold Start, Per-Second Pricing, and Network Policy Across E2B, Daytona, Modal, Cloudflare, and Vercel

MarkTechPostPublished 14 days ago

Five leading agent sandbox platforms—E2B, Daytona, Modal, Cloudflare, and Vercel—are compared on cold start latency, filesystem persistence, egress policy, and idle billing. Public benchmark data reveals Daytona's fastest median cold start under burst conditions but with lower success rates, while Vercel and Modal offer consistent performance.

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