Model comparison
F5-TTS vs o3
Capability radar, value bars, and side-by-side posture.
F5-TTS
Not scored
value score
o3
93
value score
F5-TTS ctx
—
o3 ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- o393
Attribute tape
| Field | F5-TTS | o3 |
|---|---|---|
| Developer | SWivid | OpenAI |
| Context | — | 200K |
| Modalities | Text, Code | |
| Openness | — | Proprietary Model |
| Speed | — | — |
| Price | — | $10/1M in · $40/1M out |
| Value score | — | 93 |
| Summary | F5-TTS is an open-source, non-autoregressive text-to-speech model specializing in zero-shot voice cloning and multilingual synthesis using flow matching with a Diffusion Transformer architecture. It emphasizes fast inference and code-switching capability, publishing both model weights and training code publicly. | OpenAI reasoning model focused on hard problems. |