AssemblyAI vs Devin — Which Is Better in 2026?
AssemblyAI vs Devin: independent head-to-head scored on Performance, Value, Reliability, and Ease of Use. See scores, pros, cons, and our verdict.
AssemblyAI
AssemblyAI
Best speech-to-text API with LLM reasoning over audio
Cognition
Devin
First true AI software engineer
8.8
Overall Score
WINNER7.8
Overall Score
Our Verdict
AssemblyAI scores higher overall (8.8/10 vs 7.8/10), winning on Performance and Value. Best speech-to-text API for developers. LeMUR feature adds LLM reasoning over audio.
Pricing — AssemblyAI
Pay-as-you-go $0.012/min · Custom enterprise plans
Pricing — Devin
Teams $500/mo · Enterprise custom pricing
AssemblyAI
Pros
- ✓LeMUR adds GPT-4 reasoning over transcribed audio
- ✓Speaker diarisation, auto-chapters, sentiment analysis
- ✓SOC 2 compliant — enterprise-ready
Cons
- ✗More expensive than Whisper for high volumes
- ✗LeMUR feature costs extra tokens
- ✗No self-hosted option
Best For
Developer-first transcription, podcast analysis, call centre AI, audio intelligence
Devin
Pros
- ✓End-to-end task completion with minimal guidance
- ✓Can write, test, debug, and deploy code autonomously
- ✓Handles multi-file, multi-step engineering tasks
Cons
- ✗Very expensive for individuals
- ✗Overkill for simple tasks
- ✗Still requires human review of complex changes
Best For
Engineering teams automating routine coding tasks, enterprises with large codebases
Choose AssemblyAI if…
- →Performance is your top priority — AssemblyAI leads by 0.3 points
- →Developer-first transcription
- →You also value Value — AssemblyAI wins that dimension too
Choose Devin if…
- →Devin better fits your existing Cognition ecosystem
- →Engineering teams automating routine coding tasks
- →Cognition support, documentation, and community suit your team
Frequently Asked Questions
Is AssemblyAI better than Devin?
AssemblyAI scores 8.8/10 overall vs 7.8/10 for Devin, with an edge on Performance and Value and Reliability and Ease of Use. That said, "Devin" may be the better pick if specific workflow fit is your priority. The right choice depends on your use case.
What is the pricing difference between AssemblyAI and Devin?
AssemblyAI: Pay-as-you-go $0.012/min · Custom enterprise plans. Devin: Teams $500/mo · Enterprise custom pricing. Compare usage volumes and features needed to determine total cost of ownership for your team.
Which is better for developer-first transcription?
AssemblyAI is generally stronger here, scoring 8.8/10 overall. Best speech-to-text API for developers. LeMUR feature adds LLM reasoning over audio. For more niche requirements like specific integrations, Devin may be worth evaluating.
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