AI Agent Index

Respond.io vs Voiceflow (2026)

Side-by-side comparison of Respond.io vs Voiceflow: pricing, capabilities, integrations, deployment complexity, and ratings. Built from The AI Agent Index's verified listing data. Respond.io last verified July 31, 2026. Voiceflow last verified July 23, 2026.

Data sourced from The AI Agent Index

Respond.io logo

Respond.io

by Respond.io

AI-powered customer conversation platform unifying WhatsApp, Instagram, TikTok and more in one inbox, with autonomous AI Agents and a first-party MCP server. From $79/month billed annually (USD).

subscriptionSMB
Visit Respond.io →
Voiceflow logo

Voiceflow

by Voiceflow

Enterprise AI agent builder for CX teams. Deploy across voice, chat, and WhatsApp with visual workflows, Voiceflow Core model, and 300+ integrations. Usage-based and custom pricing.

customB2B
Visit Voiceflow →
Respond.io
Voiceflow
Pricing model
subscription
custom
Starting price
$79/mo, billed annually
Contact sales
Pricing transparency
mostly public
quote only
Contract type
both
—
Customer segment
SMB
B2B
Deployment
web, api, mobile
cloud-platform, api
Setup difficulty
easy
easy
Avg setup time
—
30 minutes
Editorial rating
4.6 / 5
4.2 / 5
G2 rating
4.8/5 (517 reviews)
4.6/5 (111 reviews)
MCP
Server
Server + client
GitHub stars
N/A
N/A
Data training
not disclosed
not disclosed
Human in loop
optional
optional
Security certs
ISO 27001, GDPR
SOC 2 Type II, ISO 27001, GDPR, HIPAA

Capabilities

Respond.io

ticket-resolutionautonomousmultilingualomnichannelintent-detectionconversation-intelligencepersonalizationcrm-sync

Voiceflow

workflow-builderconversation-intelligenceno-codeautonomousmultilingual

Pros & Limitations

Editorial assessment

Respond.io

Pros

  • ✓Publishes a first-party MCP server, listed in its own integrations directory, that external AI clients including Claude Desktop, ChatGPT and Cursor connect into over both HTTP and STDIO transports.
  • ✓A published directory of 42 channels and integrations, spanning nine messaging channels plus voice, email, CRM and commerce, backed by official Meta Business Partner and TikTok Marketing Partner status.
  • ✓Financially substantial for its category, with a $62.5M Series B in June 2026 led by Camber Partners with Endeavor Catalyst, and TechCrunch reporting $35M ARR growing 169% year over year at a 30% profit margin.

Limitations

  • ⚠Security certifications are limited to ISO 27001 and GDPR, with no SOC 2 Type II, HIPAA or FedRAMP published as of July 2026, which may disqualify it for buyers in regulated industries.
  • ⚠Monthly Active Contact pricing scales with the number of contacts reached regardless of whether a conversation converts, and no per-resolution pricing option is offered, which makes ROI harder to attribute at high volume.
  • ⚠Advanced and Enterprise both route to Talk to Sales rather than a self-serve checkout, and there is no native Jira or Asana connector, re-verified July 2026.

Voiceflow

Pros

  • ✓Industry-leading visual agent builder with production pipelines (dev, staging, production), version control, and prototype testing makes Voiceflow the strongest fit for CX and product teams that want full control over agent behavior without engineering bottlenecks
  • ✓Voiceflow Core proprietary model launched May 2026, purpose-built for agentic tasks (tool calling, multi-turn reasoning, instruction following), with option to use GPT-4, Claude, Gemini, or bring your own model for maximum flexibility
  • ✓Proven enterprise results with published case studies: Trilogy automated 60% of support across 90 products in 12 weeks, eSnipe automated 70% of interactions, StubHub International launched in 90 days with a non-technical team

Limitations

  • ⚠Pricing is no longer publicly listed: the 2026 restructure removed dollar amounts from the pricing page, making total cost of ownership difficult to estimate without contacting sales or starting a free trial on the Agencies track
  • ⚠No native Salesforce CRM integration listed on the integrations page, which may require custom API code and adds engineering overhead compared to platforms like Botpress Cloud or Microsoft Copilot Studio that offer native CRM connectors
  • ⚠Platform positioning has shifted from broad conversational AI (Alexa, Google Assistant) to enterprise CX focus, which means teams building consumer voice skills or non-support use cases may find fewer templates and community resources tailored to their needs

Frequently asked questions

How does pricing compare between Respond.io vs Voiceflow?

Respond.io uses a subscription model, starting at $79 per month on an annual commitment (month-to-month costs more). Voiceflow uses a custom model with pricing on request.

View full Respond.io profile

Pricing, reviews, integrations →

View full Voiceflow profile

Pricing, reviews, integrations →

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