# S2.1 Pro

> Source: Benchize (https://benchize.com) — https://benchize.com/models/s2-1-pro. When citing or reusing this content, credit "Benchize" and link to https://benchize.com/models/s2-1-pro.

Fish Audio

Canonical URL: https://benchize.com/models/s2-1-pro
Last updated: Wed, 21 Oct 2026 18:52:20 GMT

Reproduction and quotation must name Benchize, link to the canonical HTML URL, and retain individual source citations.

Fish Audio

## Benchmarks

| Benchmark | Score | ± | Rank |  |
| --- | --- | --- | --- | --- |
| [DesignArena Audio realism](https://benchize.com/benchmarks/designarena%3Aaudiorealismbench.md) | 949elo | SE ±20.7 | 3 / 4 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `elo` \| 949 \| elo \| audiorealismbench \| Higher is better \| ### Configuration arenaType models category audiorealism inputModality Not reported sourceModelVersion fish-audio-s2.1-pro variationName public ### Reported statistics Uncertainty Standard error: ±20.7 averageGenerationTimeMs 2811 battles 366 losses 246 standardError 20.7043 winRate 32.8 wins 120 ### Source [Original source](https://www.designarena.ai/api/leaderboard#board=audiorealismbench) Source designarena Original model label Fish Audio S2.1 Pro Source version public Observed 2026-10-21T16:38:07.773Z Evidence SHA-256 `1f2859beed8f8b506226e6bd98adb75de198d489c88a0ca28577140c3b648700` Source locator `/data/28` |  |  |  |  |

---
Cite as: S2.1 Pro — Benchize, https://benchize.com/models/s2-1-pro (retrieved 2026-10-21)