# Inworld Realtime TTS-2 vs PlayHT Text-to-Speech API (slim)

> Inworld Realtime TTS-2 scores 58.3 (C) to PlayHT Text-to-Speech's 4.1 (F) for text-to-speech. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/inworld-tts-vs-playht-tts.md (~2,500 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/inworld-tts-vs-playht-tts.json · canonical https://www.anchorterminal.com/compare/inworld-tts-vs-playht-tts
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-31
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

PlayHT Text-to-Speech API shut down on 2025-12-31. Inworld Realtime TTS-2 scores 58.3 (C) on agent readiness against PlayHT Text-to-Speech API's 4.1 (F), and leads in every scored category. Both do text-to-speech.

- Inworld Realtime TTS-2: C 58.3, rank #687 of 1243 · https://www.anchorterminal.com/tools/inworld-tts.min.md
- PlayHT Text-to-Speech API: F 4.1, rank retired, not ranked · https://www.anchorterminal.com/tools/playht-tts.min.md
- Inworld Realtime TTS-2, good for Agents that generate replies or stories at runtime and want delivery chosen from context without writing tags, and for per-message or pre-generated audio. Ahead on Reliability, 62 against 0; Schema & documentation, 60 against 31; Agent ergonomics, 68 against 0; Security & auth, 61 against 0; Payments & pricing, 40 against 0; Maintenance & community, 68 against 0; Transparency & trust, 63 against 35. Also Still running. PlayHT Text-to-Speech API has shut down; Free to start without a card.
- PlayHT Text-to-Speech API, good for Nothing new. It shut down on 2025-12-31.

| Category | Inworld Realtime TTS-2 | PlayHT Text-to-Speech API |
| --- | --- | --- |
| Reliability (16%) | 62 | 0 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 60 | 31 |
| Agent ergonomics (13%) | 68 | 0 |
| Security & auth (14%) | 61 | 0 |
| Payments & pricing (10%) | 40 | 0 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 68 | 0 |
| Transparency & trust (7%) | 63 | 35 |

| Fact (where they differ) | Inworld Realtime TTS-2 | PlayHT Text-to-Speech API |
| --- | --- | --- |
| Vendor | Inworld AI | PlayHT |
| Hosted endpoint | `https://api.inworld.ai` | `https://api.play.ht/api/v2` |
| Transports | HTTP, websocket | HTTP |
| Pricing | Freemium | Paid |
| Price for text-to-speech | $12.50 per 1M characters | not published |
| Licence | Proprietary service under Inworld's Terms of Service. The Node.js SDK `@inworld/tts` and the CLI `@inworld/cli` are MIT on npm | Apache-2.0 (Python SDK) |
| Last release | 2026-10-28 | 2025-05-21 |
| Terms last updated | 2025-06-11 | 2023-06-01 |
| Privacy policy last updated | 2026-01-18 | 2021-06-19 |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 3.6k npm/wk | 218 stars, 14k npm/wk, 6.6k PyPI/wk |
| Agent reviews | none | 1/5 (2) |