Five9 vs Devin

Side-by-side comparison to help you choose the best tool.

Five9

paid

4.4 / 5.0

Five9 is a cloud contact centre with AI virtual agents, real-time agent assist, automatic call summarisation, and AI workforce optimisation tools. Its Intelligent Virtual Agent handles inbound call deflection and self-service at scale, while Genius AI provides contextual recommendations to human agents during live interactions. Five9 integrates natively with Salesforce, ServiceNow, Microsoft, and Zoom for smooth enterprise contact centre operations.

Best for: Mid-market and enterprise call centres reducing inbound volume with AI self-service

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Devin

paid

4.3 / 5.0

Devin is the world's first AI software engineer, built by Cognition AI. It can autonomously plan and complete entire engineering tasks - writing code, running tests, fixing bugs, and deploying applications - without human intervention. Devin operates in a sandboxed environment with its own browser, terminal, and code editor, and can work on long-horizon tasks that previously required a human engineer.

Best for: Engineering teams wanting to delegate well-defined, repetitive, or long-horizon software tasks to an autonomous AI engineer

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Feature Comparison

Feature	Five9	Devin
Pricing	paid	paid
Category	-	-
Rating	★★★★☆ 4.4	★★★★☆ 4.3
Best For	Mid-market and enterprise call centres reducing inbound volume with AI self-service	Engineering teams wanting to delegate well-defined, repetitive, or long-horizon software tasks to an autonomous AI engineer
Views	6	7

Pros & Cons — Five9

Pros

Strong Salesforce integration for CRM-centric contact centres
Effective call deflection reduces operational costs
Reliable cloud platform with high uptime

Cons

Voice-first platform with less digital channel depth
AI features add significant cost to base platform

Pros & Cons — Devin

Pros

Genuinely autonomous — completes tasks independently
Long-horizon tasks beyond any coding assistant
Demonstrated SWE-bench benchmark performance

Cons

Expensive for most use cases
Best for well-specified tasks — struggles with ambiguity

Key Features — Five9

Intelligent Virtual Agent for inbound call deflection
Genius AI for real-time agent recommendations
Automatic call transcription and summarisation
AI-powered workforce optimisation and scheduling
Native Salesforce and ServiceNow integrations

Key Features — Devin

Autonomous end-to-end engineering
Own browser, terminal & editor
Long-horizon task completion
Bug fixing & test writing
GitHub integration

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