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Genspark vs Retell AIwhich AI research agent should you pick in 2026?

Multi-agent super-agent with built-in AI phone module — research, slides, sheets, real-world calls.

🔬ResearchAutonomousFreemium · from $25
BrowserTool useVoiceMemory

Production voice agent platform — LLM-native phone agents with low-latency streaming and per-minute pricing.

🎧SupportAutonomousPay per task
VoiceTool useMemory

Genspark vs Retell AI — specs

SpecGensparkRetell AI
Agent Rank67 / 100 (B)73 / 100 (A)
AutonomyAutonomousAutonomous
PricingFreemium · from $25Pay per task · Free tier
Open sourceNoNo
CapabilitiesBrowser, Tool use, Voice, Memory, RAG, Multi-agentVoice, Tool use, Memory
Integrations3 apps3 apps
VerifiedVerified
ReleasedJul 2025Mar 2025

Categories: GensparkResearch · Retell AISupport

Agent Rank breakdown

Genspark
Agent Rank
67/ 100
BB-tier
Autonomy
9
Capabilities
10
Integrations
2
Pricing
7
Polish
6
Verifiability
6

Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?

Retell AI
Agent Rank
73/ 100
AA-tier
Autonomy
9
Capabilities
6
Integrations
4
Pricing
9
Polish
6
Verifiability
10

Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?

Pros & cons

Genspark
Pros
  • +$385M Series B Apr 2026 — among the highest-funded multi-agent platforms
  • +Unique built-in AI phone module — agent can make real-world calls
  • +Generates slides + sheets + research reports in a single prompt
Cons
  • Hot-button branding — China-founded but US-based; geopolitical scrutiny possible
  • AI phone occasionally fails on heavily-accented English
  • Higher consumer pricing than Perplexity / You.com
Retell AI
Pros
  • +Lowest per-minute pricing among production voice agent platforms
  • +Strong streaming latency (~300ms) competitive with ElevenLabs
  • +Per-minute pricing easier to forecast than per-seat
Cons
  • Less polished out-of-the-box than Synthflow for non-technical buyers
  • Documentation and tooling still maturing vs ElevenLabs
  • Voice quality varies by model selection

Pricing

Genspark
Free
Free
Individuals
  • +Super Agent
  • +Limited AI phone calls
  • +Standard speed
Recommended
Plus
$25/mo
Power users
  • +Unlimited Super Agent
  • +AI phone module
  • +Priority compute
Pro
$200/mo
Teams
  • +Multiple agents in parallel
  • +Shared workspaces
  • +API access
Retell AI
Pay-as-you-go
Free
Developers
  • +~$0.07/min
  • +Production-ready API
Recommended
Scale
Custom
High-volume voice ops
  • +Volume discounts
  • +Dedicated infrastructure
  • +Custom models

Which one should you pick?

Genspark

Pick Genspark if its specific capabilities (Browser, Tool use) match what you need.

Try Genspark →
Retell AI

Pick Retell AI if cost is the main constraint or if you want a vendor we've verified for accessibility and pricing accuracy.

Try Retell AI →

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Frequently asked

Should I pick Genspark or Retell AI in 2026?+

Pick Genspark if its specific capabilities (Browser, Tool use) match what you need. Pick Retell AI if cost is the main constraint or if you want a vendor we've verified for accessibility and pricing accuracy. Most working teams running both can use Genspark for primary work and Retell AI for the workflows where its specific strengths matter.

What's the price difference between Genspark and Retell AI?+

Genspark starts at Freemium · from $25; Retell AI starts at Pay per task · Free tier. Retell AI is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.

Which is more autonomous, Genspark or Retell AI?+

Both Genspark and Retell AI are Autonomous agents — neither has a meaningful autonomy advantage over the other. The decision should hinge on capabilities and pricing instead.

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Want the real monthly cost at your volume? Run the TCO calculator →
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Genspark vs Retell AI (2026): which AI research agent wins? · AI Agent Rank