Fish Audio OpenAudio S1
Pay-as-you-go voice cloning — 70% cheaper than ElevenLabs
Comparative Scores
Architecture
Good cost/quality ratio for Phase 1 MVP. S1-mini self-hosting option aligns with sovereignty requirements. Voice cloning included without extra cost is a significant advantage.
Analysis
Fish Audio OpenAudio S1 ranks #6 on Artificial Analysis (ELO 1128, May 2026). Voice cloning included at the same price as basic TTS — no extra fees. 70% cheaper than ElevenLabs. S1-mini open-source weights enable self-hosting for sovereign deployments.
Strengths
- ELO 1128 — rank #6
- Voice cloning included at no extra cost
- 70% cheaper than ElevenLabs
- S1-mini open-source for self-hosting
- 13 languages
Weaknesses
- ~200ms TTFA (slower than Cartesia)
- No native lip-sync data
- Limited documentation
Voice Capabilities
Voice cloning included at no extra cost. 10-second audio sample. 70% cheaper than ElevenLabs for equivalent quality.
Large repertoire of emotional and non-verbal tags, complemented by speed and volume prosody.
How: `prosody` object (`speed`, `volume`), `[happy]`, `[sad]`, `[whispering]`, `[laughing]`, `[break]` tags and sampling parameters.
Validate: Test tag stability over WebSocket and linguistic relevance before using it in a sensitive scene.
Streaming API available. ~200ms TTFA.
No native lip-sync timestamps.
Pricing
$15/1M chars. Pay-as-you-go, no subscription. Voice cloning included at same price.
Sovereignty & Compliance
Cloud API. S1-mini weights available for self-hosting.
Data residency: US/Asia
Fish Audio OpenAudio S1 — Strategic Positioning
Beyond technical specs: where does this tool sit in the ecosystem, what are the risks and strategic implications for GamiWays?
Fish Audio is the open-source disruptor: enterprise-grade voice cloning with natural language emotion control, available both as a cloud API and a self-hostable model — the clearest path from Phase 1 speed to Phase 2 sovereignty.
A. Strategic Positioning
Target customer: Developer / SMB / Enterprise — voice cloning, multilingual content
Open-source S2 model with cloud API — enterprise-grade voice cloning and expressiveness at a fraction of ElevenLabs cost.
B. Competitive Moat
- Open-source S2 model (self-hostable) + cloud API — dual deployment flexibility
- Natural language emotion tags — superior expressiveness control vs SSML
- 50% enterprise revenue share — strong institutional adoption signal
Vulnerability: No explicit compliance certifications (SOC2, HIPAA). Fast-moving open-source market could be disrupted by better-funded competitors.
E. Strategic Questions for GamiWays
Sovereignty fit
Open-source S2 model enables full self-hosting in Swiss/EU infrastructure. No compliance certs for cloud API, but self-hosted path is clear.
Build vs. Buy
Build (self-host S2) for Phase 2 sovereignty. Buy (cloud API) for Phase 1 speed. Best of both worlds.
Lock-in risk
Open-source S2 model eliminates vendor lock-in. Cloud API has moderate lock-in but self-hosted alternative always available.
Roadmap alignment
Excellent: cloud API for Phase 1 speed, self-hosted S2 for Phase 2 sovereignty. Natural migration path.
This sheet's verification
Artificial Analysis Speech Leaderboard + Fish Audio docs, 2026
Update note: ELO 1124 du 18 août conservé (nom AA : Fish Audio S2 Pro). Le 30 septembre, aucun article Fish n’a été relu pour promouvoir S2.1 Pro : la fiche reste OpenAudio S1. Les labels d’émotion STT ne sont pas ajoutés.
This date covers provider-specific prices, capabilities and notes. Comparative benchmarks follow the synchronization and methodology shown above.
ELO benchmarks / indices: Artificial Analysis · Last API sync : 18 August 2026