Claude vs Google Gemini vs OpenAI API vs VAPI
| Attribute | ||||
|---|---|---|---|---|
| Category | AI Agents & Assistants | AI Agents & Assistants | API Management | AI Voice & Speech |
| Pricing | Free tier | Free tier | Paid | Free tier |
| Starting price | $20/month | $0/month | — | — |
| Free tier | Yes | Yes | No | Yes |
| Free trial | No | Yes | Yes | Unknown |
| Deployment | Cloud | — | — | — |
| API available | Unknown | Unknown | Unknown | Unknown |
| Platforms | ios, android, macos | — | — | — |
| Certifications | — | — | — | — |
| Integrations | 2 | — | — | — |
| Company | — | Founded 2023 | Founded 2020 | — |
| Feature attributes | ||||
Also consider
Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.