Best Retell AI alternatives in 2026
6 direct alternatives to Retell AI, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Curated by Louis Corneloup · Updated Why people consider alternatives to Retell AI
Retell AI is an advanced conversational AI platform designed to automate customer interactions across phone calls, chat, and SMS. Teams most often switch away when one of these starts to bite:
- •Pricing at scale as usage or premium tiers add up.
- •Missing integrations with the rest of your stack.
- •Performance or scale limits as your needs grow.
- •A specific feature gap you have hit in ai voice.
The 6 alternatives below cover the same core job (ai voice) with different trade-offs. Ranked by real-signal score: G2 and Capterra ratings, media mentions, and editor review. No paid placement.
6 alternatives to Retell AI
Ranked by real-signal composite (rankingScore + community + reviews) and direct relevance to Retell AI.
- 1
ElevenLabs
FreemiumBattle-tested at scaleGenerate lifelike AI voices in 29 languages, clone voices, and enable real-time speech
Direct alternative4.6(1,151)Compare Retell AI vs ElevenLabs → - 2
OpenAI API
PaidBattle-tested at scaleProgrammatic access to OpenAI's full model lineup: GPT-5.5, o3, gpt-image-1
Direct alternative4.6(1,960)Compare Retell AI vs OpenAI API → - 3
Google Gemini
PaidGoogle's advanced AI models with multimodal understanding and deep integration
Direct alternative4.5(222)Compare Retell AI vs Google Gemini → - 4
Deepgram
FreemiumEnterprise Voice AI: STT, TTS & Agent APIs for accurate, realistic, and cost-effective voice solutions.
Direct alternative4.6(437)Compare Retell AI vs Deepgram → - 5
Voiceflow
FreemiumNo-code platform for building AI chat and voice agents
Direct alternative4.7(189)Compare Retell AI vs Voiceflow → - 6
AssemblyAI
PaidSpeech-to-text API with high accuracy transcription
Direct alternative4.6(107)Compare Retell AI vs AssemblyAI →
Frequently asked questions
What is the best alternative to Retell AI?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Retell AI are ElevenLabs, OpenAI API, Google Gemini. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to Retell AI?
Yes. ElevenLabs is one of the freemium alternatives to Retell AI listed here (Generate lifelike AI voices in 29 languages, clone voices, and enable real-time speech). Other freemium options are flagged in the list below.
Why do people look for Retell AI alternatives?
Common reasons teams switch away from Retell AI: pricing that scales aggressively, missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in ai voice. The alternatives on this page solve the same core problem with different trade-offs.
Side-by-side comparisons
In-depth comparison pages for Retell AI versus each alternative.
Still considering Retell AI?
See the full review, pricing breakdown, and community feedback before you decide.