What the evidence says
These facts come from the reviewed Epoch AI catalog artifact and its linked primary record. They describe the model. They do not rank it.
- Developer [1]
- Released [1]
- April 15, 2026
- Domains [1]
- Audio
- Tasks [1]
- Audio generation
- Access [1]
- API access
- Weights [1]
- Closed
Where it may fit
These are evidence-bounded screening suggestions, not performance claims or purchase recommendations.
API text-to-speech workflows
Consider it for hosted audio-generation workflows; the model name and primary source record identify the TTS specialization.
Evidence fields: name, domains, tasks, access [1]
Audio feature prototyping
Consider it when a team wants to test audio generation without operating model weights.
Evidence fields: tasks, access, openWeights [1]
Limitations
The source record does not provide voice languages, controllability, price, latency, audio quality evaluations, or safety details. No comparative audio ranking is supported here.
Current standing
According to the LMArena snapshot published July 12, 2026, no exact match for this catalog record appears in the style-controlled text category, so this page reports no current rating for Gemini Flash 3.1 TTS.