AI voice agents · #11 of 29 · ↑ Parloa · ↓ Cognigy
Slang.ai
Slang.ai ranks #11 of 29 in ai voice agents in the week of 21 September 2026, with a visibility score of 8 across ChatGPT, Claude, Gemini and Perplexity. It was named in 17% of the answers we sampled.
sampled: 3 of 4 assistants this week
Slang.ai scores 8 out of 100 overall in the AI voice agents category, showing up in 10 of 60 answers across the three assistants. Claude rates it highest at 14, ahead of Perplexity at 9 and ChatGPT at 4. Its strongest showing is on restaurant and clinic booking questions, where it's named in all 3 of 3 answers, plus 2 of 3 for AI receptionist queries. It gets one mention each for broader "best AI voice agents in 2026" and platform-related questions. It doesn't appear at all for call analytics, multilingual support, enterprise contact centres, inbound support calls, or open-source frameworks.
this is mine claim it, free, forever. We also check whether ChatGPT and Claude can read slang.ai.
Who's talking about you
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 4 | 5% of answers | #3.0 |
| Claude | 14 | 35% of answers | #11.6 |
| Gemini | not sampled this week | ||
| Perplexity | 9 | 10% of answers | #2.0 |
Questions you win
| question | named in | best spot |
|---|---|---|
| What's the best AI voice agent for a restaurant or clinic taking bookings? | 3 of 3 | #1 |
| What's the best AI receptionist for answering calls? | 2 of 3 | #1 |
| What's the best AI phone agent for a small business? | 1 of 3 | #1 |
| What's the best AI voice agent for booking appointments? | 1 of 3 | #12 |
| What's the best AI voice agent that can transfer to a human? | 1 of 3 | #16 |
| What are the best AI voice agents in 2026? | 1 of 3 | #21 |
| What are the best AI voice agent platforms? | 1 of 3 | #29 |
Questions you lose
| question | who got named instead |
|---|---|
| Which voice AI platform sounds the most natural? | ElevenLabs Agents |
| Which AI voice agent platform is cheapest per minute? | Retell AI, Bland, Vapi |
| What's the best no-code tool to build a voice AI agent? | Synthflow, Retell AI, Vapi |
| Which voice AI platform is best for developers? | Vapi, Retell AI, ElevenLabs Agents |
| Which AI voice agent has the lowest latency? | ElevenLabs Agents, Bland, OpenAI Realtime API |
| What's the best enterprise voice AI platform for contact centres? | PolyAI, Parloa, Cognigy |
| What's the best AI agent for outbound sales calls? | Retell AI, Bland, Vapi |
| What's the best AI voice agent for inbound customer support calls? | Vapi, PolyAI, Retell AI |
| What's the best voice AI that connects to my CRM? | Retell AI, Vapi, Bland |
| What's the best AI voice agent for languages other than English? | ElevenLabs Agents, Retell AI, OpenAI Realtime API |
| What's the best open-source voice AI agent framework? | LiveKit Agents, Pipecat, Vocode |
| What's the best voice AI platform with its own phone numbers and telephony? | Vapi, Retell AI, Bland |
| What's the best voice AI platform for call analytics and transcripts? | Dialpad |
Assistants cited 14 pages for questions in this category that name your rivals and not you. Claim to see them. See all sources for AI voice agents.
In their words
- ChatGPT“Slang AI | Excellent | — | Restaurant-specific”
- Claude“Synthflow, ElevenLabs Agents, or vertical-specific tools depending on your industry (Slang.ai for restaurants, Assort for healthcare intake, Numa for auto dealers).”
- Perplexity“If your main goal is booking reservations, the strongest fit is usually Slang.ai, SevenRooms Voice AI, or OpenTable’s Sadie—because they are built around restaurant reservations rather than generic call answering.”
Closest rivals
- Slang.ai vs OpenAI Realtime API8
- Slang.ai vs Parloa8
- Slang.ai vs Cognigy6
- Slang.ai vs Goodcall6
- Slang.ai vs Thoughtly6
All Slang.ai alternatives · Full AI voice agents leaderboard · Sources