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Inworld model product

Realtime TTS-2 Flash - Research Preview

Realtime TTS-2 Flash - Research Preview is a text-to-speech model from Inworld.

Updated Sep 8, 2026. Default version: Realtime TTS-2 Flash - Research Preview

LLMBoard Text-to-Speech Score64.9Realtime TTS-2 Flash - Research Preview
Coverage35%1 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable

On this page

  • Capability
  • Benchmarks
  • Arena
  • Pricing
  • Runtime
  • Specification
  • Versions
  • Similar models
  • About
  • FAQ

Realtime TTS-2 Flash - Research Preview Capability Profile

This profile uses the model's current scored version. Arena ratings and prices are shown separately.

Realtime TTS-2 Flash - Research Preview LLMBoard score breakdown

Realtime TTS-2 Flash - Research Preview Benchmark Results

Benchmark scores for Realtime TTS-2 Flash - Research Preview.

1 row
Columns

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Benchmark
Score
Rank
Participants
Percentile
Evidence
Evaluated
BenchmarkArtificial Analysis Text To SpeechScore1,222.00 eloRank06Participants96Percentile94.74%EvidenceBEvaluatedN/A

Realtime TTS-2 Flash - Research Preview Arena Results

Preference and agent-evaluation results for the default version.

No Arena results

The default version does not have a matching Arena result yet.

Realtime TTS-2 Flash - Research Preview Pricing

Prices are shown in the model's native media unit and resolution tier.

Native price
N/A
Price unit
N/A
Tier
Standard
Tracked offerings
0
No price available

This model does not have a current media price.

Media catalog prices are not converted into token input or output prices.

Realtime TTS-2 Flash - Research Preview Runtime Performance

Provider-specific output speed and catalog latency for Realtime TTS-2 Flash - Research Preview. Runtime does not affect the capability score.

No runtime data

No provider-specific speed or latency record is linked to the default version yet.

Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.

Realtime TTS-2 Flash - Research Preview Specifications

Technical details for the model's default version.

Version
Realtime TTS-2 Flash - Research Preview
Released
Unknown
Knowledge cutoff
Unknown
Parameters
N/A
Context window
N/A
Max output
N/A
Inputs
text
Outputs
audio
Open weights
No
License
Unspecified

Realtime TTS-2 Flash - Research Preview Versions

Available versions of this model. The score column identifies the version used in the overall ranking.

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Version
Released
LLMBoard
Parameters
Context
Max output
Open weights
License
VersionRealtime TTS-2 Flash - Research PreviewReleasedN/ALLMBoard64.88ParametersN/AContextN/AMax outputN/AOpen weightsNoLicenseUnspecified

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Details

What is Realtime TTS-2 Flash - Research Preview?

Key information about Realtime TTS-2 Flash - Research Preview and its available data.

Realtime TTS-2 Flash - Research Preview is a text-to-speech model from Inworld. The model is ranked by Artificial Analysis.

Data as of 2026-09-08.

FAQ

Common questions about Realtime TTS-2 Flash - Research Preview.

When was Realtime TTS-2 Flash - Research Preview released?

A release date is not available for the default version.

How much does Realtime TTS-2 Flash - Research Preview cost?

No native catalog price is currently available for Realtime TTS-2 Flash - Research Preview.

Who created Realtime TTS-2 Flash - Research Preview?

Realtime TTS-2 Flash - Research Preview was created by Inworld.

What is the context window for Realtime TTS-2 Flash - Research Preview?

A context window is not available for the default version.

Is Realtime TTS-2 Flash - Research Preview open weight?

No. The default version is not marked as having publicly available weights.

How many API providers offer Realtime TTS-2 Flash - Research Preview?

No provider offering is currently linked to the default version.

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