Week 45
Latest
JunieReleaseJunie Eco mode hands implementation to a lower-cost modelGitHub CopilotPlansGitHub Enterprise now includes Copilot for every licensed userSierraReleaseSierra launches Compliance Console for outbound agentsGitHub CopilotReleaseGitHub Copilot Fusion becomes generally availableGitHub CopilotReleaseGitHub Agentic Workflows become generally availableAmpPlatformAmp launches an Android appMicrosoft 365 CopilotReleaseLearning Agent and admin-deployed custom MCP connectors arrive in CopilotKiroPlansKiro replaces its upgrade discount with a free first month and 500 trial creditsGleanReleaseGlean release 565 adds agent import/export and an Azure Files connectorGoogle AntigravityReleaseAntigravity 2.28 adds a built-in browser and any-file attachmentsSynthesiaReleaseSynthesia launches a Localization API for dubbing videos at scaleRunwayReleaseRunway launches Runway Ads for generating and publishing ad variantsOpenCodeReleaseOpenCode 2.2 adds Desktop plugins and a refreshed desktop appOpenAI CodexReleaseGPT-6.1 Terra becomes available in Codex
Verified
ToolMarketCap
PolyAIPolyAI · Voice support
Entry price
Not yet verified
Free tier
Not yet verified
Logged activity · 90d
Insufficient history

Agent Studio vs web app

3Verified differences4Shared3Not yet verified
SynthflowAgentFlow AI · Voice support
Entry price
Not yet verified
Free tier
Not yet verified
Logged activity · 90d
Insufficient history

PolyAI vs Synthflow

3Verified differences0Pricing differences · 2 not verified for both0PolyAI · verified changes 30d0Synthflow · verified changes 30d
DeliveryDelivery differs: PolyAI — Agent Studio; Synthflow — Web app.
Last 30 daysNeither logged a verified change in the last 30 days.
Evidence7 of 10 compared facts are verified for both; 3 for neither.

At a glance

Verified values · no winner is picked
PolyAI and Synthflow: price, free tier, licence, self-hosting, enterprise
DimensionPolyAISynthflow
Entry priceNot yet verifiedNot yet verified
Free tierNot yet verifiedNot yet verified
Open sourceNot yet verifiedNot yet verified
Self-hostingNot yet verifiedNot yet verified
Enterprise (SSO + offering)Not yet verifiedNot yet verified
Switch from PolyAISwitch from SynthflowAdd PolyAI to a stackAdd Synthflow to a stack

Where they differ

3
Delivery
PolyAIAgent Studio — plus the ADK, a Builder MCP server, and APIs
docs.poly.ai
ObservedHigh confidenceVerified 29 Oct 2026
PolyAI — official release notes

docs.poly.ai releases: "PolyAI ADK: A local, Git-like workflow for Agent Studio projects"; "Builder MCP: ... build, test, and deploy agents from your IDE."

https://docs.poly.ai/releases/overview ↗
SynthflowWeb app — app.synthflow.ai, plus a REST API
feedback.synthflow.ai
ObservedHigh confidenceVerified 29 Oct 2026
Synthflow — official changelog

feedback.synthflow.ai/changelog: "The new Synthflow app runs at app.synthflow.ai, with faster page loads".

https://feedback.synthflow.ai/changelog ↗
App integrations
PolyAIFive9, NICE, Salesforce, Twilio, Zendesk, AWS — plus any API or MCP server
poly.ai
ObservedHigh confidenceVerified 29 Oct 2026
PolyAI — official security page

poly.ai/security "Fluent in your tools": Amazon Web Services, Five9, NICE, Salesforce, Twilio, Verizon Business, Zendesk; poly.ai/pricing: "Pre-built connectors ... or any API or MCP server."

https://poly.ai/security ↗
SynthflowSalesforce, HubSpot, Cal.com, GoHighLevel, Zapier — plus SIP telephony
synthflow.ai
ObservedHigh confidenceVerified 29 Oct 2026
Synthflow — official pricing page

synthflow.ai footer Integrations: "Cal.com, GoHighLevel, HubSpot, Salesforce, Zapier"; Enterprise: "CRM, calendar, contact-center stack, webhook, API, and knowledge-source integrations".

https://synthflow.ai/pricing ↗
Enterprise
PolyAISales-led — SOC 2 and ISO 27001 certified infrastructure, 24/7 support
poly.ai
ObservedHigh confidenceVerified 29 Oct 2026
PolyAI — official pricing page

poly.ai/pricing: "SOC 2 and ISO 27001 certified infrastructure, with regular audits and testing"; per-minute rate "includes ... 24/7 support".

https://poly.ai/pricing ↗
SynthflowEnterprise contract — SLA, SIP trunking, custom concurrency, MSA/DPA, security review
synthflow.ai
ObservedHigh confidenceVerified 29 Oct 2026
Synthflow — official pricing page

synthflow.ai/pricing: "Enterprise SLA and support terms scoped in contract"; "Synthflow Native Telephony, SIP trunking"; "MSA/DPA support ... enterprise security review".

https://synthflow.ai/pricing ↗

Pricing face-off

USD list price · monthly billing
PolyAIFree tier: not yet verified
No paid price verified yet
SynthflowFree tier: not yet verified
No paid price verified yet

Where they match

4Toggle
Support channels
PolyAIVoice — also chat, SMS, and messaging on the same agents
poly.ai
ObservedHigh confidenceVerified 29 Oct 2026
PolyAI — official pricing page

poly.ai/pricing: "Channels: Voice, chat and messaging on the same platform and the same agents."; docs.poly.ai lists "SMS and RCS".

https://poly.ai/pricing ↗
SynthflowVoice — also chat and SMS
synthflow.ai
ObservedHigh confidenceVerified 29 Oct 2026
Synthflow — official site

synthflow.ai: "Design, deploy, and manage AI agents across every channel — voice, chat, SMS, and more — all from one platform."

https://synthflow.ai ↗
Human handoff
PolyAIYes — resolves what it can, then hands off to a human with full context
docs.poly.ai
ObservedHigh confidenceVerified 29 Oct 2026
PolyAI — official documentation

docs.poly.ai: "Escalations — resolve what it can, then hand off to a human with full context."

https://docs.poly.ai ↗
SynthflowYes — warm transfers to humans, with handoff triggers you control
synthflow.ai
ObservedHigh confidenceVerified 29 Oct 2026
Synthflow — official site

synthflow.ai: agents "can ask clarifying questions, offer alternate responses, or escalate to a human. You can control handoff triggers based on failed attempts or sentiment."

https://synthflow.ai ↗
API
PolyAIYes — Platform API, ADK, MCP, and the Dialog-RSN-1 model API
poly.ai
ObservedHigh confidenceVerified 29 Oct 2026
PolyAI — official site

poly.ai Developers menu: "Build with Wren; ADK; MCP; Platform API; Dialog-RSN-1 API"; poly.ai: "The Dialog-RSN-1 API is live."

https://poly.ai ↗
SynthflowYes — REST and streaming API for call automation
docs.synthflow.ai
ObservedHigh confidenceVerified 29 Oct 2026
Synthflow — official API reference

docs.synthflow.ai: "Welcome to the Synthflow API. These REST and streaming endpoints let you orchestrate every part of your phone calls automation stack".

https://docs.synthflow.ai/getting-started-with-your-api ↗
Business model
PolyAICustom pricing — voice agent billed per minute, quoted by sales
poly.ai
ObservedHigh confidenceVerified 29 Oct 2026
PolyAI — official pricing page

poly.ai/pricing (Platform): "Ongoing use of the voice agent is priced on a per-minute basis, which includes proactive performance improvements, maintenance and 24/7 support." "Talk to our team".

https://poly.ai/pricing ↗
SynthflowCustom pricing — enterprise contracts from $30,000 per year
synthflow.ai
ObservedHigh confidenceVerified 29 Oct 2026
Synthflow — official pricing page

synthflow.ai/pricing: "Enterprise contracts start at $30,000 annually. Final pricing is scoped around call volume, concurrency, telephony setup, integrations, security needs".

https://synthflow.ai/pricing ↗

Not yet verified for one or both

3
Platforms
PolyAINot yet verified
SynthflowNot yet verified
Free tier
PolyAINot yet verified
SynthflowNot yet verified
Single sign-on
PolyAINot yet verified
SynthflowNot yet verified

References

Links — shown, never counted as differences
Documentation
PolyAIdocs.poly.ai
docs.poly.ai
ObservedHigh confidenceVerified 29 Oct 2026
PolyAI — official documentation

PolyAI platform documentation (Agent Studio, ADK, API reference, MCP, integrations).

https://docs.poly.ai ↗
Synthflowdocs.synthflow.ai/getting-started
docs.synthflow.ai
ObservedHigh confidenceVerified 29 Oct 2026
Synthflow — official documentation

docs.synthflow.ai: "Build, test, launch, and improve voice and chat agents with Synthflow".

https://docs.synthflow.ai/getting-started ↗
Changelog
PolyAIdocs.poly.ai/releases/overview
docs.poly.ai
ObservedHigh confidenceVerified 29 Oct 2026
PolyAI — official release notes

docs.poly.ai/releases/overview: "PolyAI releases monthly Studio updates."

https://docs.poly.ai/releases/overview ↗
Synthflowfeedback.synthflow.ai/changelog
feedback.synthflow.ai
ObservedHigh confidenceVerified 29 Oct 2026
Synthflow — official changelog

feedback.synthflow.ai/changelog: "Follow new updates and improvements to Synthflow", with dated monthly entries.

https://feedback.synthflow.ai/changelog ↗
Source repository
PolyAINot yet verified
SynthflowNot yet verified

Recent record

Each side’s own record · not a score
Recent record of PolyAI and Synthflow, side by side
ReadingPolyAISynthflow
Verified changes0 in 30 days · 0 in 90 days · Voice support median 00 in 30 days · 2 in 90 days · Voice support median 0
Last verified change5 Aug 2026 · 93 days ago6 Oct 2026 · 31 days ago
Activity · 90 daysNo value (insufficient history)No value (insufficient history)
Latest list-price moveNo verified priceNo verified price
Pricing on recordNo verified priceNo verified price
Comparable facts7 of 10 verified7 of 10 verified

PolyAI · latest 3

  1. Release

    New 1–5 PolyScore across voice, messaging, and email

    PolyAI moved its automated conversation quality score from 0–10 to a 1–5 scale with a transparent rubric that evaluates voice, messaging, and email.

    docs.poly.ai
    ObservedHigh confidencePublished 5 Aug 2026
    PolyAI — official August 2026 release notes
    https://docs.poly.ai/releases/notes/26.08 ↗

Synthflow · latest 3

  1. Release

    ChatGPT plugin, post-call emails, and a new Synthflow app

    Synthflow released an official ChatGPT plugin for building voice agents, post-call email actions, and an early-access new app at app.synthflow.ai.

    feedback.synthflow.ai
    ObservedHigh confidencePublished 6 Oct 2026
    Synthflow — official changelog: October 6, 2026
    https://feedback.synthflow.ai/changelog/chatgpt-plugin-post-call-emails-new-synthflow-app-and-more ↗
  2. Release

    Campaigns, Advanced Synthflow LLM, and business hours

    Synthflow's September 4, 2026 changelog entry added Campaigns, the Advanced Synthflow LLM, Business Hours, and analytics across subaccounts.

    feedback.synthflow.ai
    ObservedHigh confidencePublished 4 Sept 2026
    Synthflow — official changelog: September 4, 2026
    https://feedback.synthflow.ai/changelog/campaigns-advanced-synthflow-llm-business-hours-analytics-across-subaccounts-and ↗

Keep comparing

Both in Voice support
PolyAIFull record →SynthflowFull record →PolyAI alternatives→Synthflow alternatives→PolyAI pricingnot verifiedSynthflow pricingnot verified
Compared using 18 verified facts · oldest record verified 29 Oct 2026. Tools appear in URL order, alphabetically by identifier — it implies no ranking.