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Model profile · Inworld

Inworld TTS-1.5 Max

EstablishedReleased Jan 21, 2026ProprietaryNon-ReasoningN/A contextInworld model documentation

Released Jan 21, 2026 see all recent releases

Inworld TTS-1.5 Max is tracked, but not publicly ranked yet. The profile exposes 0 sourced benchmark rows and leaves unsupported fields blank until a published record exists.

Data as of August 4, 2026 · How the score is built

Voice benchmark evidence

Audio Realism Benchmark is an owner-defined voice evaluation. Its result stays separate from BenchLM's weighted text-model ranking.

Owner rank
#12 of 12
Elo-style rating
763
BT uncertainty
±24.9
Win rate
14.2%
Battles
373
Avg. generation
4.97s
Provider API ID
inworld-tts-1.5-max
53 wins · 320 losses · owner snapshot 2026-08-04

Spec sheet

Each documented value carries its source. Missing fields stay visible as not sourced or not published, rather than disappearing from the page.

API model ID
Not published
Context window
N/A
Maximum output
Not sourced yet
Knowledge cutoff
Not sourced yet
Input modalities
Not sourced yet
Output modalities
Not sourced yet
Parameters
Not disclosed by the provider
Availability
Hosted and on-premises text-to-speech deployment options.
Cloud regions
Not tracked yet
Lifecycle
Established
API capabilities
Tool calling, structured outputs, and batch support are not tracked yet
Prompt caching
Not documented in the pricing record
Self-host
Weights are not published
Rate limits
Not tracked yet

Lineage

The sequence follows explicit supersedes links. Scores and prices remain blank when the corresponding public row or first-party rate is unavailable.

max · 1.5 Max

How to read this profile

The visual layer above carries the decisions. These notes preserve the model, ranking, coverage, and family context behind the numbers.

We track Inworld TTS-1.5 Max, but no weighted text-model benchmark result is published on the site yet. This page shows the metadata and separate protocol evidence we can verify now; a BenchLM score will appear only if compatible public evaluations land.

Inworld TTS-1.5 Max is a proprietary model with a N/A context window. No explicit reasoning mode is documented in this profile.

Hosted and on-premises text-to-speech deployment options.

This text-to-speech model is tracked through a separate voice-experience benchmark and does not participate in BenchLM's weighted text-model ranking.

The profile has no source-displayable benchmark row yet.

Frequently asked questions

How does Inworld TTS-1.5 Max perform overall in AI benchmarks?

Inworld TTS-1.5 Max does not have any source-displayable benchmark rows yet, so this profile does not assign a public score or rank. Documented specifications remain visible, while score-led charts and claims stay unavailable until a published evaluation can be attached to the exact model.

Does Inworld TTS-1.5 Max have full benchmark coverage on BenchLM?

No. Inworld TTS-1.5 Max currently has 0 source-displayable rows across 381 tracked benchmark slots. The profile exposes published, non-generated evidence and leaves missing categories blank until an exact evaluation is available. Coverage describes how much was measured; it is not a penalty added to an individual benchmark result.

What is the context window size of Inworld TTS-1.5 Max?

Inworld TTS-1.5 Max has a reported context window of N/A in the exact-model catalog record. The value stays visible, but the profile marks its source link as unavailable instead of presenting it as directly documented. Maximum output length remains separate because providers often publish a different limit.

Last updated August 4, 2026. Runtime fields remain blank until a sourced snapshot exists.

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