speechify

Speechify: Simba 3.5

speechify/simba-3.5

Our take

AI-assisted analysis based on the sources below. Suitability is an editorial assessment; test it on your own workload.

OpenRouter’s catalog presents speechify/simba-3.5 as Speechify’s recommended streaming text-to-speech model. The listing reports text input and speech output, with 48 languages—including English—handled by one model and the language selected for each request. No independent model card was available in this source pack, and the catalog does not provide measured quality, latency, voice, or safety results. Treat these as source-reported capabilities and validate them on target text, languages, and streaming workloads before production use.[1]

Strengths

Source-reported streaming text-to-speech model.[1]
One listed model covers 48 languages, including English.[1]
Language can be selected per request, which may simplify multilingual integrations.[1]

Limitations

Evidence is limited to an OpenRouter catalog entry; no independent model card was available in the supplied pack.[1]
No measured speech quality, latency, voice characteristics, or safety performance is reported.[1]
Language coverage is catalog-reported; validate pronunciation and streaming behavior for the intended languages and text.[1]

Where to use it

Evaluate for multilingual read-aloud or narration features that need one TTS endpoint.[1]
Consider for streaming voice responses after testing latency and output quality.[1]
Use in prototypes where selecting the spoken language per request matters.[1]

Sources

[1] OpenRouter catalog · Speechify: Simba 3.5Sources checked: Nov 13, 2026

About this model

Description below is the original text supplied by OpenRouter, shown in the source language.

Speechify's recommended streaming text-to-speech model, covering 48 languages including English under one model, with the language chosen per request.

Specifications

Model ID: speechify/simba-3.5
Canonical ID: speechify/simba-3.5-20261111
Creator: speechify
Added to OpenRouter: 11.11.2026
Context length: 0
Modality: text->speech
Input modalities: text
Output modalities: speech
Token pricing: No per-token price in the source snapshot — see OpenRouter for the billing unit
Knowledge cutoff: —
Expiration date: —

Tasks and capabilities

A grade appears only where the source supplies a matching measurement for that task, the model is active and the cohort holds at least 10 comparable models. The capability column lists facts the source declares — supported formats, reasoning and tool parameters — which are not measured quality.

Task	Grade	Source-declared capability
General quality	No measurement	—
Coding	No measurement	—
Agents	No measurement	—
Writing	No measurement	—
Reasoning	No measurement	—
Document analysis	No measurement	—
Vision	No measurement	—
Image generation	No measurement	—
Audio	No measurement	—
Video	No measurement	—
Embeddings	No measurement	—

Evaluations

No evaluations are supplied for this model.

How grades work

Each letter grade compares a model only against other models scored by the same source and metric in the current snapshot. S means the top 10%, A the next 20%, B the next 30%, C the rest. Models without a published measurement are shown as not rated — a supported format alone never implies measured quality.

S — S — top 10% of the cohort
A — A — next 20% of the cohort
B — B — next 30% of the cohort
C — C — below the B band

Providers

Optional live provider statistics from OpenRouter. Missing values are unknown, not zero.

Provider	Context length	Price in /1M	Price out /1M	Latency p50 (30m, s)	Throughput p50 (30m, tok/s)	Uptime (30m)
Speechify	0	—	—	—	—	—

Provider data retrieved: 13.11.2026

No published articles identify this model yet.