AWS Bedrock vs Anthropic API
Both run the same Claude models at the same per-token price. What differs is who operates the boundary around your data and how soon a new model reaches you.
The short answer
Choose Bedrock when your data, identity and billing already sit inside AWS, and choose the direct Anthropic API when you need a new model the day it ships and no cloud contract stands in the way.
Anthropic and AWS have matched per-token pricing across both routes, so cost is no longer the deciding factor. What decides it now is which security team already approved a supplier, and what a few weeks of model lag costs your product.
A third route exists too. Anthropic now sells Claude Platform on AWS, operated by Anthropic and billed through AWS Marketplace. It ships every feature on launch day while still landing on an AWS invoice. Most teams asking Bedrock versus direct have not heard of it yet, and it changes the answer for some of them.
Side by side
Checked against Anthropic's and AWS's own documentation in August 2026. Feature-lag figures move as both vendors ship, so treat this as a snapshot.
| Dimension | Amazon Bedrock | Direct Anthropic API |
|---|---|---|
| Who operates it | AWS. Data stays inside the AWS security boundary | Anthropic. Billing and infrastructure are Anthropic's own |
| Per-token price | Matches the direct API, model for model | Matches Bedrock, model for model |
| New model availability | Follows the direct release, from days to several weeks later | Ships first, the day Anthropic announces it |
| Newest platform features | Lags on agent tooling and code execution features | Every feature is available at launch |
| Network boundary | Reachable over PrivateLink and VPC endpoints, no public internet hop | A standard API endpoint outside your cloud boundary unless you add one |
| Billing | One line item on your existing AWS invoice | A separate vendor, a separate invoice |
| Supplier approval | Often none needed if AWS is already approved | A new vendor review, unless one has run before |
| Extra managed features | Guardrails and Knowledge Bases available alongside the model | Anthropic's own tool use and prompt caching, no AWS layer |
- ContractOne AWS invoice, or a new vendor to onboard
- NetworkPrivateLink inside your VPC, or a public endpoint
- Release clockAWS's schedule, or Anthropic's own
- ToolingBedrock's Guardrails and Knowledge Bases, or Anthropic's native features
- SupportYour AWS account team, or Anthropic directly
None of these five are about model quality. The model is identical either way.
Amazon Bedrock
Where it wins
- Traffic can stay inside your VPC over PrivateLink, which security teams reviewing a new AI vendor tend to ask for first.
- One AWS bill instead of a second vendor relationship, which matters more to procurement than to engineering.
- Guardrails and Knowledge Bases are available as managed features next to the model, so retrieval and content filtering are not a separate build.
- IAM policies and CloudTrail logs plug into controls your security team already runs.
Where it hurts
- New Claude models and platform features land on the direct API first. Bedrock has followed anywhere from days to a couple of months behind, depending on the release.
- Region and model availability do not always match the direct API, so a model you tested may not be deployable where you need to run it.
- Bedrock's own agent tooling has been renamed and restructured more than once, which makes older internal guides unreliable.
- You inherit AWS's release notes and support queue for anything Claude-specific, rather than going straight to Anthropic.
Direct Anthropic API
Where it wins
- Every new model and every new feature, including tool use and prompt caching, ships here first and only here for a period after release.
- Anthropic's own support and documentation apply directly, with no AWS layer translating behaviour or terminology.
- Nothing to configure for private networking if that is not a requirement for the workload.
- Simpler to prototype with, since there is no AWS account structure to stand up first.
Where it hurts
- A second vendor contract and a separate invoice, which is a real cost in a large company even when the per-token price matches Bedrock's.
- No built-in PrivateLink route, so keeping traffic off the public internet is work you add yourself.
- A new supplier review from security and legal, even where AWS is already an approved vendor.
- None of Bedrock's managed retrieval or guardrail tooling. You build or buy that layer separately.
How to choose
- Choose Bedrock if your data, IAM and logging already live in AWS and a new supplier review would slow the project down.
- Choose Bedrock if the workload needs a documented private network path and you would rather not build one yourself.
- Choose the direct API if the product depends on a feature or model that only exists there, which happens for a window after every release.
- Choose Claude Platform on AWS if you need launch-day features and an AWS invoice, and the processing boundary is not the blocking question.
- Choose neither permanently. Write the integration behind one internal interface so a later switch touches a handful of files, not the whole codebase.
- Choose to wait if nobody has scored what a correct answer looks like yet. Comparing routes before you can measure output quality is comparing the wrong thing.
Which route fits your build?
Answer about your company's constraints, not about which model benchmark you read last.
Where does the data this model will read live today?
How much does launch-day feature access matter?
Who has to approve a new vendor?
What cloud contract do you already hold?
Every outcome
- Amazon Bedrock
- AWS is already approved, and data residency inside your AWS boundary matters more than launch-day features.
- Direct Anthropic API
- You need the newest model or feature the day it ships, and a second vendor review is manageable.
- Build the test set first
- Nobody has scored what a good answer looks like yet, so a route decision would be a guess.
Claude in production
Questions buyers actually ask
01Is Claude on Bedrock a different model from the direct API?
No, it is the same underlying model. What differs is the operator, the network path and the release timing, not the model's answers to a given prompt. Run your own evaluation set on both if the decision is close, since regional deployment details can still cause small differences.
02How far behind is Bedrock on new model releases?
Anthropic ships new models and features on its own API first. Bedrock has followed anywhere from a few days to a couple of months later, depending on the release and the region. If your roadmap depends on a model the week it ships, plan around the direct API or Claude Platform on AWS instead.
03Does Bedrock cost more or less than the direct API?
Per-token pricing matches across both as of 2026. What differs is organizational. Direct API means a second vendor contract and invoice. Bedrock means one more line item on a bill you already pay.
04Can we start on one and move to the other later?
Yes, and it is common. Code changes are usually small if you keep model calls behind one internal interface. The larger cost is re-running your evaluation set to confirm the switch did not change behaviour, and renegotiating whichever contract you are leaving.
05Does running Claude through Bedrock help with HIPAA or other compliance work?
It can, because Bedrock keeps processing inside the AWS boundary you may already have approved for other regulated workloads. It is not a substitute for doing the compliance work itself. See how we build HIPAA-compliant AI for what the underlying system still has to get right regardless of which route serves the model.
Related
- AWS vs Azure for AI →The cloud-level version of this same decision.
- OpenAI vs Anthropic →Same decision, one layer up: which model vendor to use at all.
- how do you build HIPAA-compliant AI →What a regulated build still has to get right, whichever route serves the model.
- reading audit documents with Claude →Claude in production on insurance paperwork.
