bedrock-agentcore

Harness GA Jun 17, 2026 plus Strands 1.0 primitives — and why AWS Context is still Coming soon. Reuse the ~180→95 ms Gateway canary; ship Managed KB today.

On Aug 6, 2026 AgentCore Runtime Instances went GA — EC2-backed agents with sessions up to 14 days vs 8-hour microVM Runtime. Field guide: capacity providers, GPU fit, and when idle EC2 burns more than serverless.

Hand this to your technical lead. The store decision: one lookup this week, a person signs money, skip when a rule already works. Sample uses 8 Gateway tools — not a client case study.

February 2026 server-side tool execution via AgentCore Gateway + Responses API cut median tool-round-trip latency ~180 ms → ~95 ms on a 12-tool SaaS CRM assistant by removing the client orchestration hop.

First-party TCO benchmark (July 2026): 500-employee Quick Suite ~$3,580/mo vs AgentCore support agent ~$791/mo at 50K sessions. CTO framework for choosing managed assistants vs custom agent infrastructure on AWS.

Q2 2026 ranked: AgentCore Harness GA (Jun 17), FinOps Agent preview (Jun 9), Graviton5 GA (Jun 10), OpenAI on Bedrock (Apr 28). Adoption matrix + verified TCO signals for CTOs.

Bedrock AgentCore is metered across twelve distinct components — Runtime, Browser, Code Interpreter, Gateway, Identity, Memory (two tiers), Observability, Evaluations, Payments, Search, and the underlying model spend. Two of them drive 80% of the bill.

AWS just made OpenAI's frontier models, Codex, and production-ready Managed Agents available inside Amazon Bedrock — wrapped in IAM, PrivateLink, Guardrails, and CloudTrail. Here is what changes for CTOs evaluating OpenAI direct vs. AWS.

Harness GA June 17, Agents Classic cutoff July 30, Payments GA August 18, Memory FGAC August 28. Harness vs Runtime, Gateway Policy, and when transacting agents still should not own checkout.