Agentic Index
Agentic AI Platform Change Log
Agentic Index tracks material changes across agentic AI platforms, including new agent capabilities, workflow orchestration updates, integrations, MCP/tool-calling changes, memory features, human approval controls, observability, deployment options, pricing, funding, and verification-status updates. This change log is the index that tracks changes to agentic AI platforms, updated weekly. If you are trying to keep up with changes to AI agent platforms without reading every vendor's release notes separately, this is the feed to read.
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Public-source research. All entries are sourced from official vendor blogs, changelogs, documentation, or press materials. Support levels marked Needs Review or Publicly Claimed should be independently verified before relying on them for procurement decisions.
5 entries matching filters
Agent capability
Sierra launched fleming-1, a model of its own that detects when the caller on a phone call is another agent by assessing whether the voice is synthetic while the call is still happening. Calls it identifies as likely AI are flagged, the model is tuned to be conservative so real people are not flagged, and it works with any voice agent built on Sierra once turned on.
Contact centers facing automated fraud probes and consumers' personal agents get a live signal to add a verification step or route the call differently, while the business decides what happens to flagged calls.
Security / enterprise
Sierra achieved AIUC-1 certification after an independent audit by Schellman and testing by the Artificial Intelligence Underwriting Company.
AIUC-1 is one of the first certifications written specifically for AI agents. Buyers can ask other agent vendors for it, and should read what the testing covered before treating it as a pass on safety.
Agent capability
Sierra introduced Agency, a new infrastructure primitive that provides secure and scalable sandboxes for its AI agents. The Agency environment allows agents to execute long-running, complex tasks with dedicated computing resources, maintaining state and data isolation without interruption.
Enterprise buyers require strict data privacy and reliability when deploying autonomous systems. This backend architecture ensures customer data remains secure during execution while enabling agents to handle sophisticated workflows that take hours or days to complete without losing progress.
Agent capability
Sierra acquired the AI startup Takeoff and introduced the Horizon Agent Platform. This new offering focuses on long-horizon AI agents designed to execute end-to-end tasks across sectors like lending and healthcare, rather than being limited to single-turn customer support conversations.
Enterprise buyers can now deploy autonomous agents that handle complex, multi-step workflows operating over extended periods of time. This expands the platform's utility into core operational tasks and introduces outcome-based pricing options tailored to industry-specific solutions.
Security / enterprise
Sierra announced FedRAMP High certification, making its agent platform available for U.S. federal-agency deployment.
FedRAMP High materially changes Sierra's enterprise/government eligibility and security/compliance posture for regulated deployments.
Current rankings
These changes feed the index. See where each category stands: the best vendors of 2026, ranked by verified capability coverage.
Capability coverage
Every change above is graded against the same 14 capability axes. Each axis has its own page showing how much of the index documents it, which categories concentrate it, and the leading platform in each.
The AI agent directory for business · The full feature taxonomy · Pricing research
Common questions
How do I keep up with changes to AI agent platforms?
Read one maintained change log instead of tracking each vendor's release notes separately. The Agentic Index change log records 1648 verified updates across agentic AI platforms, updated weekly, covering new agent capabilities, MCP and tool calling changes, memory, human approval controls, observability, deployment options, pricing and funding. Every entry names the vendor, the date, the change type and an impact level, and links to that vendor's profile.
How often is the agentic AI change log updated?
Weekly. The most recent update was Oct 21, 2026, covering Equal AI, Kognitos, Findem.
How do I track changes for one specific AI agent vendor?
Filter the change log by vendor, or open that vendor's profile page, where the same verified entries appear alongside its capability coverage across the 14 point Agentic Index taxonomy.
Where can I find a single feed of agentic AI platform updates?
This page is that feed. Agentic Index reviews vendor blogs, changelogs, documentation and press materials every week and files what materially changed, so keeping up with changes to AI agent platforms is one page rather than several hundred. Entries are filterable by vendor, change type, impact level and verification status, and each one carries the evidence basis it was graded from. The same entries are published as a free RSS feed at agenticindex.io/feeds/changes.xml, with one feed per ranking category listed at agenticindex.io/use-this-data.
Last updated: Oct 21, 2026 · 1648 tracked changes across 550 vendors