C3 AI vs ElevenLabs (Agents Platform)
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
ElevenLabs (Agents Platform) is the stronger AI pick in AI Agents: it has a visibility score of 1.2 versus 0.9 for C3 AI.
Choose C3 AI if…
- You need SOC 1 or SOC 2 or SOC 3 or FedRAMP or FedRAMP Moderate or FISMA or FIPS 140-2 or ITAR or HIPAA or PCI DSS Level 1 or DoD IL5 or DoD IL6 coverage
- Enterprise-scale AI solutions
Choose ElevenLabs (Agents Platform) if…
- You want the brand AI engines rank higher (1.2 vs 0.9)
- You need FedRAMP 20x Class A coverage
- free-forever plan with monthly character allowances
- free custom voices for experimenting with voice agents
AI visibility side by side
Latest weekly run · Nov 3
| Metric | C3 AI | ElevenLabs (Agents Platform) |
|---|---|---|
| Visibility score | 0.9% | 1.2% |
| Change vs last week | New | New |
| Rank in AI Agents | #59 | #57 |
| Share of voice | 0.5% | 0.3% |
| Mentions this run | 3 | 2 |
| Positive in AI answers | — | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
C3 AI 0pp · ElevenLabs (Agents Platform) 0pp over 0 weekly runs.
Engine by engine
ElevenLabs (Agents Platform) leads on 2 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | C3 AI | ElevenLabs (Agents Platform) |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Free; paid from $6 / mo |
| Free plan | — | Yes |
| Deployment | The company says its platform runs across any infrastructure. | — |
| Compliance | SOC 1, SOC 2, SOC 3, FedRAMP, FedRAMP Moderate, FISMA, FIPS 140-2, ITAR, HIPAA, PCI DSS Level 1, DoD IL5, DoD IL6 | FedRAMP 20x Class A |
| Support | Customer Support Portal, 24/7 support line in customer contract, Email support@c3.ai | Priority support on the Enterprise plan, Talk to sales |
| Founded | 2009 | 2022 |
| Headquarters | Redwood City, California | London, United Kingdom |
| Employees | 1,001–5,000 | 1,001–5,000 |
| Funding | IPO | Series A · $781M raised |
| Best for | Large operators in defense and intelligence, maritime, manufacturing, federal government, oil and gas, utilities and healthcare. | Businesses that want to run customer support, sales and other conversational AI agents in production |
Plans side by side
C3 AI
Pricing not available.
ElevenLabs (Agents Platform)
Pros and cons
Themes from the AI answers that mention each brand
C3 AI
- Enterprise-scale AI solutions
- Placed in ISG's Merit tier rather than top tiers
ElevenLabs (Agents Platform)
- free-forever plan with monthly character allowances
- free custom voices for experimenting with voice agents
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “C3 AI vs ElevenLabs (Agents Platform)”, https://slateindex.ai/compare/c3-ai-vs-elevenlabs-agents-platform, data of Nov 3, 2026. Licence: CC BY 4.0.