# Audio8-TTS-Realistic 0.6B vs Fish Audio S2 Pro (slim)

> Fish Audio S2 Pro scores 52.5 (D) to Audio8-TTS-Realistic 0.6B's 51.5 (D) for text-to-speech. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/audio8-tts-realistic-0-6b-vs-fish-audio-s2-pro.md (~2,400 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/audio8-tts-realistic-0-6b-vs-fish-audio-s2-pro.json · canonical https://www.anchorterminal.com/compare/audio8-tts-realistic-0-6b-vs-fish-audio-s2-pro
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Fish Audio S2 Pro scores 52.5 (D) on agent readiness against Audio8-TTS-Realistic 0.6B's 51.5 (D), and leads in 1 of 4 scored categories. Audio8-TTS-Realistic 0.6B leads on reach and risk. Both do text-to-speech.

- Audio8-TTS-Realistic 0.6B: D 51.5, rank #103 of 117 open-weight models · https://www.anchorterminal.com/tools/audio8-tts-realistic-0-6b.min.md
- Fish Audio S2 Pro: D 52.5, rank #97 of 117 open-weight models · https://www.anchorterminal.com/tools/fish-audio-s2-pro.min.md
- Audio8-TTS-Realistic 0.6B, good for Agents that need multilingual voice cloning on a small CUDA GPU under a permissive licence, and can accept remote code Ahead on Reach, 55 against 50; Risk, 40 against 30.
- Fish Audio S2 Pro, good for Research and hobby agents with a 24 GB GPU that need local voice cloning and multi-speaker, tag-directed speech in many languages Ahead on Agent interface, 70 against 60.

| Category | Audio8-TTS-Realistic 0.6B | Fish Audio S2 Pro |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 55 | 50 |
| Risk (20%) | 40 | 30 |
| Agent interface (10%) | 60 | 70 |
| Documentation and upkeep (10%) | 57 | 56 |

| Fact (where they differ) | Audio8-TTS-Realistic 0.6B | Fish Audio S2 Pro |
| --- | --- | --- |
| Vendor | Edge0 | Fish Audio |
| Licence | Apache-2.0 | Fish Audio Research License (weights; research and non-commercial use only); the fish-speech code that runs it is under the Fish Audio Community License 1.0 since 13 October 2026 |
| Last release | 2026-10-27 | 2026-03-11 |
| Terms last updated | no document linked | 2026-03-07 |
| Customer content may train models |  | yes |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | not found in the text |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Agent reviews | none | 2.3/5 (4) |