Adk Samples vs Presto Voice

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-10-18
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At a glance

DimensionAdk SamplesPresto Voice
PricingFree (open source)Contact sales (enterprise)
Primary use caseAgent development kit examples for developersDrive-thru voice AI for QSR chains
Target audienceDevelopers, engineering teamsQSR chains, franchise networks
Key feature differentiatorMulti-agent collaboration, graph workflows95% non-intervention rate, upselling engine
IntegrationsGemini, Claude, Ollama, Google CloudElevenLabs, POS, headset systems
DeploymentLocal or cloud via ADKOn-premise/cloud for drive-thru

These tools serve completely different needs: Presto Voice is an enterprise voice AI for QSR drive-thrus focusing on revenue, while Adk Samples is a free developer resource for learning agent frameworks. Buyers should choose based on whether they need a restaurant automation solution or agent prototyping tools.

Adk Samples
Adk Samples

Runnable example agents for Google's Agent Development Kit (ADK), covering graph workflows, multi-agent teams, and agents-cli deployment.

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Presto Voice
Presto Voice

Presto Voice is drive-thru voice AI that takes QSR orders and upsells every car at the speaker post.

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Pricing
Free
Contact Sales
Plans
—
—
Popularity
5 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
CLIWebAPI
API
Categories
🕸️ Agent Frameworks & Orchestration
🍽️ Restaurant & Hospitality☎️ Voice AI Agents & Phone Automation
Features
Graph workflow samples covering graph routes and data handling
Dynamic workflow patterns with human input steps
Collaborative multi-agent workflow demos
Template workflows: sequential, loop, parallel, and custom
Agent routing samples mixing code paths with model decisions
Simple agents and managed agents samples
agents-cli scaffolding, build, test, evaluate, and deploy
Streaming and live agent samples in Python and Java
Voice agents with audio and video via the Gemini Live API
Custom function tools, OpenAPI tools, and MCP tools
Function tool action confirmations and tool limitations samples
MCP client and server examples, plus agent as MCP server
A2A quickstarts for exposing and consuming agents in Python, Go, Java, Kotlin
Artifacts, skills for agents, sessions, state, rewind, and session migration
Evaluation samples: user simulation, environment simulation, custom metrics
Automated drive-thru order taking via voice AI at the speaker post
Continuous upselling of add-ons and specials to raise average order value
Runs a spectrum of Voice AI approaches rather than a single model
Vendor-published up to 95% non-intervention rate on drive-thru orders
Vendor-published up to 88% upsell offer rate
Vendor-published up to 6% monthly incremental revenue increase
24/7 drive-thru ordering availability
Installation at scale without disrupting live drive-thru lanes
POS and headset provider integration handled by Presto
Available through the Toast Partner Ecosystem (Sept. 21, 2026)
Managed deployment with ongoing vendor support
ROI reporting across non-intervention, upsell, and revenue lift
Nationwide rollout experience at Wienerschnitzel, Taco John's, and Dairy Queen
15+ years of restaurant drive-thru automation experience since 2008
$10M raise (Sept. 28, 2026) funding Voice AI deployments
Integrations
Gemini
Gemma
Claude
OpenAI
Ollama
vLLM
LiteLLM
LiteRT-LM
MCP
A2A Protocol
Cloud Run
GKE
Google Search
Toast

What real users say: Adk Samples vs Presto Voice

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

Adk Samples

8 mentions across 2 sources · 40% positive — mixed (averaged across 2 sources)

Hacker News, Lemmy

What users praise

  • • CaMeL agent demo shows real-world prompt injection defense practical.
  • • Multi-agent collaborative examples illustrate ADK's graph workflow capabilities well.
  • • Free and open source—no paywall to access code.
  • • Covers integration with multiple models: Gemini, Claude, Ollama, vLLM.

What frustrates them

  • • Very little community discussion or third-party feedback available.
  • • Not suitable for production use without significant adaptation.
  • • ADK itself is niche and less proven than alternatives like LangChain.
  • • Documentation is sparse—some samples lack detailed explanations.

Researched Jul 3, 2026

Presto Voice

37 mentions across 3 sources · 32% positive — critical (weighted across 3 sources)

YouTube, App Store, Lemmy

What users praise

  • • Handles POS and headset integration itself, so voice AI goes live in an active lane without pausing service
  • • Built specifically for multi-location QSR franchise groups, not single shops or dine-in concepts
  • • Continuous upselling of add-ons and specials on every transaction targets average-order-value lift
  • • 24/7 drive-thru ordering availability removes the labor constraint of shift coverage at the speaker post

What frustrates them

  • • Almost no independent, on-topic community reviews — the dataset is dominated by unrelated same-name products
  • • Vendor-published KPIs (95% non-intervention, 88% upsell, 6% lift) lack third-party verification
  • • Won't hand over the model to tune, which blocks teams that want to own and iterate on the voice stack
  • • Only Toast is documented as a named POS integration in the available data

Researched Oct 14, 2026

Who should pick which

  • QSR chain operator
    Pick: Presto Voice

    Presto Voice is built for drive-thru automation with upselling and POS integration, directly addressing revenue and efficiency needs of QSR chains.

  • Developer prototyping agents
    Pick: Adk Samples

    Adk Samples provides ready-to-run examples of multi-agent and graph workflows, ideal for learning ADK and integrating with Gemini/Claude.

  • Franchise network decision-maker
    Pick: Presto Voice

    Presto Voice offers scalable deployment and menu unification across locations, which is critical for franchise consistency.

  • Team evaluating agent frameworks
    Pick: Adk Samples

    Adk Samples demonstrates ADK's capabilities with real code, helping teams assess fit for production agent systems.

  • Small independent restaurant
    Pick: Adk Samples

    Neither tool is ideal, but Adk Samples is free and could be adapted for simple automation, whereas Presto Voice is enterprise-oriented.

Frequently Asked Questions

Adk Samples vs Presto Voice: which should you choose?

These tools serve completely different needs: Presto Voice is an enterprise voice AI for QSR drive-thrus focusing on revenue, while Adk Samples is a free developer resource for learning agent frameworks. Buyers should choose based on whether they need a restaurant automation solution or agent prototyping tools.

Can Presto Voice be used for phone ordering?

Yes, Presto Voice includes phone ordering automation alongside drive-thru capabilities.

Does Adk Samples require Google Cloud to run?

No, samples can run locally, but cloud integrations (e.g., Gemini, Cloud Run) require Google Cloud.

What is the non-intervention rate claimed by Presto Voice?

Presto Voice achieves up to 95% non-intervention rate on orders, meaning 95% of orders are handled without staff.

Is Adk Samples production-ready?

No, it's a set of samples and demos intended for learning and prototyping, not production deployment.

What AI models do these tools support?

Presto Voice uses a spectrum including ElevenLabs; Adk Samples supports Gemini, Gemma, Claude, Ollama, vLLM, and more.

Do these tools integrate with each other?

No, they are unrelated; Presto Voice is a product, Adk Samples is a developer resource for a different platform.

How do I get pricing for Presto Voice?

Contact Presto Voice sales via their website; pricing is not publicly listed.

Can Adk Samples be used to build a drive-thru AI?

Technically it provides building blocks for agent workflows, but it lacks drive-thru-specific features like POS integration.

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Last reviewed: July 3, 2026