Hebbrix 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

DimensionHebbrixPresto Voice
PricingFree tier (1,000 credits/mo) + paid plansContact for pricing (enterprise only)
Primary Use CasePersistent memory layer for AI agentsDrive-thru voice AI for QSR chains
Best ForDevelopers building production AI agentsQSR chains with multiple drive-thru locations
IntegrationsOpenAI, LangChain, LangGraph, MCP, CrewAI, Claude, Cline, Neo4jElevenLabs, POS systems, Headset systems
Key FeatureOutcome-weighted memory & 5-layer hybrid searchAutomated order taking with up to 95% non-intervention rate
Latest News Impactv2.4.0 Smart Memory Ingestion Pipeline (2026-03-07) – adds gpt-5-nano & noise rejectionDairy Queen adoption (2026-04-16) – real-world enterprise validation
Try HebbrixTry Presto Voice
Hebbrix
Hebbrix

Hebbrix is persistent agent memory that ranks recall by reported outcomes, not text similarity.

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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
Freemium
Contact Sales
Plans
$0/mo
$19/mo
$99/mo
$399/mo
Pay as you go
—
Popularity
2 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
APIWeb
API
Categories
🧠 Agent Memory & Runtimes
🍽️ Restaurant & Hospitality☎️ Voice AI Agents & Phone Automation
Features
Outcome-weighted recall ranks memory by reported success or failure, not text similarity
Five retrieval layers: adaptive semantic, lexical, knowledge graph, temporal and feedback signals
One-line OpenAI drop-in: change base_url to api.hebbrix.com/v1
Chat completions endpoint with automatic memory retrieval and context injection
Outcome Memory API with decision receipts, delayed outcomes and posterior uncertainty
Knowledge graph with entity extraction, relationship mapping and fact-replacement tracking
3-tier memory with automatic promotion across short, mid and long-term stores
Memory decay driven by usage, recency, importance, corrections and reported outcomes
Missing feedback treated as unknown rather than failure
Collections for organizing memories in multi-tenant applications
MCP server 0.5.14 with 33 live tools for MCP-compatible agents
Coding agent MCP integration for Claude, Cline and other MCP clients
Explicit /memories/process index waits (wait_for_index, bounded index_wait_seconds)
Opt-in selection methods with experimental outcome-policy-v3 ranking
Memory-off chat that preserves caller instructions without hidden profile injection
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
OpenAI
Anthropic
LangChain
LangGraph
CrewAI
MCP server
Dify
Toast

Who should pick which

  • QSR chain operator (e.g., Dairy Queen)
    Pick: Presto Voice

    Presto Voice is designed for drive-thru automation with upselling, proven at national chains. Latest news confirms Dairy Queen adoption.

  • Developer building a conversational AI agent
    Pick: Hebbrix

    Hebbrix provides drop-in memory with outcome-weighted recall and multi-framework support, ideal for production agents.

  • Independent fast-food owner with 1 location
    Pick: Presto Voice

    Presto is enterprise-only, but if the owner can afford contact-based pricing, it's the only drive-thru-specific solution here.

  • Customer support bot developer
    Pick: Hebbrix

    Hebbrix's persistent, outcome-weighted memory is perfect for remembering user preferences and history across sessions.

Frequently Asked Questions

Can Presto Voice be used for phone ordering or only drive-thru?

Presto Voice includes phone ordering automation in addition to drive-thru.

Does Hebbrix work with any LLM or only OpenAI?

Hebbrix provides an OpenAI-compatible chat completions endpoint, so it can be used with any model that supports that API, including Llama, Mistral, etc.

Which solution is cheaper?

Hebbrix has a free tier; Presto Voice requires contacting sales. For a small developer, Hebbrix is much cheaper.

Can Presto Voice integrate with my existing POS system?

Yes, Presto Voice integrates with major POS and headset systems.

Does Hebbrix store data on-premise?

Enterprise plans may offer on-premise; standard plans are cloud-based with encryption.

Which tool has the latest AI technology?

Hebbrix uses gpt-5-nano for ingestion (per v2.4.0 news); Presto Voice uses a spectrum including ElevenLabs.

Can I try Hebbrix without paying?

Yes, Hebbrix offers a free tier with 1,000 credits/month.

Is Presto Voice suitable for a single restaurant?

Presto is designed for multi-location chains, but a single location could use it if the budget allows.

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Explore each tool further

Hebbrix
View Hebbrix reviewHebbrix alternatives
Presto Voice
View Presto Voice reviewPresto Voice alternatives

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Best AI Agent Memory & Runtimes toolsBest AI Restaurant & Hospitality toolsBest AI Voice AI Agents & Phone Automation tools
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Last reviewed: July 3, 2026