Major Features & Updates
RL Rollouts
CoreWeave RL Rollouts hot-load weights about 15x faster
CoreWeave shipped RL Rollouts, which hot-load model weights about 15x faster for reinforcement-learning workloads.
~15x faster weight hot-loading
CoreWeave AI Releases: RL Rollouts, Serverless GPU Sandboxes & Agent Lens
ThursdAI — the weekly AI news podcast hosted by Alex Volkov — has covered 17 CoreWeave releases since Apr 2025, most recently RL Rollouts on Oct 8, 2026. Highlights include CoreWeave Sandboxes, Forge, NVIDIA Vera CPU, Serverless GPUs. Every entry below has the episode segment where we covered it live, plus primary-source links and key numbers where we have them.
17 releases11 episodesApr 2025 – Oct 2026
October 2026 9
Products & Apps
Serverless GPU Sandboxes
CoreWeave Serverless GPU Sandboxes are free during the preview
CoreWeave's Serverless GPU Sandboxes give you an isolated sandbox with a GPU, started from Python at forge.coreweave.com, with no salesperson in the middle. They are free during the preview; sign up through Deok's form.
Free during the preview
Products & Apps
Agent Lens
CoreWeave Agent Lens brings human-friendly insights to agent observability
Agent Lens, in public preview, pairs Weave observability with insights that surface small trends across long agent runs, such as the 1% of conversations that share the same problem.
Products & Apps
Forge
CoreWeave launches Forge, the whole agentic loop in one place
Forge combines run, observe, curate, improve and evaluate in one product, with Weights & Biases (W&B Models included), OpenPipe's post-training, marimo notebooks and CoreWeave Sandboxes. It has a free tier, and Pro starts at $60 a month with a 30-day trial.
$60 per month for Pro30 days free Pro trial
Products & Apps
NVIDIA Vera CPU
CoreWeave to offer NVIDIA Vera, the first CPU built for AI agents
CoreWeave is bringing NVIDIA's Vera CPU to its cloud for agent workloads. Deok Filho's new metric is agent packing: one rack of Vera CPUs runs over 20,000 agents at once on about 11,000 cores.
20,000+ agents per Vera CPU rack~11,000 cores per rack
Products & Apps
Sandboxes
CoreWeave Sandboxes go GA as part of Forge
CoreWeave Sandboxes reached general availability as part of Forge. Wolfram Ravenwolf's WolfBench evaluations run on them.
Major Features & Updates
Serverless distillation
CoreWeave adds serverless model distillation to Forge
Forge's serverless side covers inference, RL and SFT, and now model distillation: train a small student on a frontier teacher for your task without managing Kubernetes or a cluster.
Products & Apps
Serverless GPUs
CoreWeave launches serverless GPUs: GPU sandboxes by the hour, no contract
Announced live on ThursdAI by Deok Filho: serverless GPUs on CoreWeave, GPU sandboxes with untrusted code execution. Sign up at forge.coreweave.com, ask to have it enabled, and pay per hour with no contract and no commitment. Private preview started September 30, with more GPU SKUs planned.
Per hour billing, no contract or commitmentSep 30 private preview start
Products & Apps
Vera Rubin NVL72 in production
Cognition becomes the first production customer on Vera Rubin NVL72 at CoreWeave
Cognition now runs its SWE-2 models on NVIDIA Vera Rubin NVL72 at CoreWeave, the first production customer anywhere, with CoreWeave citing up to 4.8x more token throughput than on GB200.
4.8x token throughput vs GB200 (up to)
September 2026 2
Also Released
ClusterMax 3.0 Platinum
CoreWeave earns Platinum on SemiAnalysis ClusterMax 3.0 again
CoreWeave received the Platinum rating on SemiAnalysis ClusterMax 3.0, its third report in a row at the top tier.
3rd Platinum report in a row
Products & Apps
Kimi K3 on Dedicated Inference
Kimi K3 (2.8T) runs on CoreWeave Dedicated Inference on GB300 NVL72
CoreWeave added Moonshot's 2.8T-parameter Kimi K3 to Dedicated Inference, running on GB300 NVL72 systems. Alex says it 'purrs like a kitten' and a token promotion is planned on the CoreWeave and W&B accounts.
2.8T Kimi K3 parameters
July 2026 1
Benchmarks & Evals
NVIDIA Vera Rubin NVL72 results
CoreWeave posts first Vera Rubin results: up to 10x more tokens per megawatt than Blackwell
CoreWeave published the first customer results for NVIDIA's Vera Rubin NVL72 platform, claiming up to 10x more DeepSeek-R1 tokens per megawatt than GB200 at similar interactivity — an efficiency leap that lands directly on the industry's power-constrained bottleneck. Covered on the Jul 23 live show's infrastructure block.
10x DeepSeek-R1 tokens per megawatt vs GB200 (up to)
May 2026 1
Products & Apps
CoreWeave Sandboxes
CoreWeave Sandboxes launch in preview via the W&B SDK
CoreWeave Sandboxes is now an official Harbor provider, letting teams run agentic workloads like Terminal-Bench safely at scale on CoreWeave infrastructure. It plugs CoreWeave's isolated execution environments directly into the Harbor eval/agent ecosystem.
April 2026 1
Also Released
Anthropic, Meta & Jane Street deals
CoreWeave signs Anthropic, Meta ($21B), and Jane Street ($6B + $1B)
CoreWeave announced a multibillion-dollar deal with Anthropic, a $21B expansion with Meta (taking the relationship past $35B total), and a Jane Street deal worth $6B in cloud plus $1B in equity. CoreWeave now serves 9 of the top 10 AI labs, cementing its position as the neocloud backbone of frontier AI.
October 2025 1
Acquisitions
Marimo
CoreWeave acquires Marimo, the reactive Python notebook company
CoreWeave, the parent company of Weights & Biases, acquired Marimo, makers of the open-source reactive Python notebook. Covered in the This Week's Buzz segment, the deal brings a popular developer notebook tool into CoreWeave's AI cloud stack.
September 2025 1
Acquisitions
OpenPipe Acquisition
CoreWeave acquires OpenPipe to expand its AI training stack
CoreWeave acquired OpenPipe, the fine-tuning and reinforcement-learning platform behind the ART trainer. Covered in the This Week's Buzz segment, the deal brings OpenPipe's model-customization tooling under the same roof as CoreWeave's GPU cloud and Weights & Biases.
April 2025 1
Benchmarks & Evals
CoreWeave GB200 inference benchmark
CoreWeave hits 800 tok/s on Llama 405B with NVIDIA GB200 Blackwell
CoreWeave announced record-breaking AI inference benchmarks using NVIDIA's new GB200 Grace Blackwell superchips: 800 tokens/sec on Llama 3.1 405B, plus 33,000 tokens/sec on Llama 2 70B with H200s. It is a marker of how fast inference hardware is accelerating.
800 tok/s Llama 3.1 405B on GB20033,000 tok/s Llama 2 70B on H200
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