
Anyscale
Scale AI workloads.
About Anyscale
Picture this job: you've got a few million documents sitting as Parquet files in S3, and you need embeddings for all of them by tomorrow so your retrieval system can ship. On Anyscale, the example on the homepage handles that in about 25 lines of Python. You read the files with ray.data.read_parquet, wrap a SentenceTransformer model like bge-large-en-v1.5 in a class, and call map_batches with concurrency set to 16, one GPU per worker and a batch size of 512. Then you write the results back to your warehouse bucket. You don't write any queueing logic, retry loops or cluster scripts. Ray spreads the work across the GPUs and Anyscale runs the cluster.
That pattern is the core of the product. Anyscale is the managed platform from the team behind Ray, which it calls the world's most widely adopted AI compute engine. It's aimed squarely at teams building and scaling foundation models, and it groups its pitch into four workloads: multimodal data curation across video, images, text and audio, distributed training across GPU clusters with elastic scaling, batch embedding generation, and post-training with Ray-native frameworks like SkyRL and veRL. The code samples are real Ray code, not a proprietary DSL. If your team already writes Ray, the move to Anyscale is mostly about who babysits the cluster. A 64-GPU TorchTrainer run on a Llama 3.1 70B config is pitched as the same few lines you'd write locally.
The pricing model is usage-based. You start with $100 in credit, pay only for compute you use, and can move to committed contracts for volume discounts. The bigger decision is deployment. The Hosted option gets you running with zero setup, but it comes with limited regions and business-hours support capped at 5 case submissions. Bring Your Own Cloud runs inside your VPC or on-prem, works on VMs or Kubernetes, lets you use GPU reservations you've already paid for, and adds 24x7 enterprise SLAs. That's a sensible split, though it means the version most serious teams will want sits behind a sales conversation.
Key features
Multimodal data curation
Ray Data pipelines pull media from object storage, run GPU models like object detection over batches, filter by score and write curated Parquet output back to S3.
Distributed model training
TorchTrainer orchestrates training across GPU clusters with elastic scaling, last-mile data preprocessing and GPU observability, with the homepage example scaling to 64 GPU workers.
Batch embedding generation
You can generate embeddings in parallel across many GPU workers using models like SentenceTransformer's bge-large-en-v1.5 and persist them for search, retrieval or training.
Post-training workloads
Anyscale runs LLM inference and training for post-training frameworks such as SkyRL and veRL, including setups that pair vLLM generation with separate policy and reference model actors.
Bring Your Own Cloud deployment
The BYOC option deploys inside your own VPC or on-prem, on VMs or Kubernetes, so your data stays in your environment and existing GPU reservations get used.
Cloud marketplace billing
On BYOC you can be invoiced through Anyscale or through the AWS, Azure or GCP marketplace, which helps if you're burning down committed cloud spend.
Best for
- foundation model teams running multi-GPU training
- ML engineers already writing Ray code
- teams generating embeddings over large document stores
- companies with unused GPU reservations on AWS, Azure or GCP
- RL and post-training work built on SkyRL or veRL
Skip if
- Skip this if you just want to call a hosted LLM API. Anyscale is compute infrastructure, not a model endpoint.
- Skip the Hosted tier if you need round-the-clock support, since it's business hours only with 5 case submissions.
- Skip this if your team doesn't want to write or learn Ray, because every workload example assumes the Ray API.
Pros & cons
Pros
- Built by the Ray team, so the platform runs standard Ray code rather than a proprietary framework.
- The $100 starting credit is enough to try a real batch job before you commit.
- Pure pay-as-you-go billing with no monthly fixed fees keeps experimentation cheap.
- BYOC lets you reuse GPU reservations you've already bought and keep data in your own VPC.
- Native support for post-training frameworks like SkyRL and veRL is rare among managed GPU platforms.
Cons
- Hosted deployment is limited to certain regions and only runs on VMs, not Kubernetes.
- Hosted support is business hours only and capped at 5 case submissions, so 24x7 SLAs require BYOC.
- Volume discounts sit behind committed contracts and a sales call.
- Per-instance compute rates weren't visible in the pricing text we reviewed, so estimating a full training run takes some legwork after signup.
Pricing
| Tier | Price | Includes |
|---|---|---|
| Pay as you go (Hosted) | Usage-based, $100 starting credit | Fully managed infrastructure, limited regions, VM deployment, Anyscale-hosted compute, monthly credit card invoices, business-hours support with 5 case submissions |
| Bring Your Own Cloud (BYOC) | Usage-based | Any cloud, region or on-prem, VMs or Kubernetes, your own VPC, use existing GPU reservations, billing via Anyscale or AWS, Azure or GCP marketplace, 24x7 enterprise SLAs, unlimited case submissions |
| Committed contracts | Contact sales | Volume discounts and other benefits that grow with usage, plus support for existing GPU reservations |
Frequently asked questions
How much does Anyscale cost to start?
You get $100 in credit to start, then pay as you go for the compute you use with no monthly fixed fees. Committed contracts add volume discounts as usage grows.
What's the difference between Hosted and BYOC?
Hosted is fully managed with no setup but limited regions, VMs only and business-hours support. BYOC runs in your own VPC or on-prem on VMs or Kubernetes, with 24x7 enterprise SLAs and unlimited case submissions.
Can I use my existing AWS, Azure or GCP GPU reservations?
Yes, on the BYOC option. You can also be billed through the AWS, Azure or GCP marketplace instead of directly through Anyscale.
Do I need to know Ray to use Anyscale?
Practically, yes. Every workload example uses Ray APIs like ray.data, TorchTrainer and @ray.remote, so it's a much easier fit than SageMaker if your team already writes Ray.
Does Anyscale support LLM post-training?
It does. Anyscale runs post-training frameworks built natively on Ray, including SkyRL and veRL, and its examples pair vLLM generation with policy and reference model actors.
How Anyscale compares
Anyscale vs Open-source Ray (self-managed)
It's free and runs the same code, but you'll own cluster setup, scaling and on-call yourself, which Anyscale takes off your plate.
Anyscale vs AWS SageMaker
SageMaker suits teams that want to stay fully inside AWS tooling, while Anyscale is the better pick if your pipelines are written in Ray and may span clouds or on-prem.
Anyscale vs Databricks
Databricks is stronger if your work centers on Spark and the lakehouse, whereas Anyscale is more focused on GPU-heavy training, embeddings and post-training jobs.
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