Inworld TTS-1.5 Max
Released Jan 21, 2026 — see all recent releases
Data as of September 18, 2026 · How the score is built
Inworld TTS-1.5 Max will be repriced, updated or retired. Get each notice with its source and date. Follow model changes
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Voice benchmark evidence
Audio Realism Benchmark is an owner-defined voice evaluation. Its result stays separate from BenchLM's weighted text-model ranking.
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. A successor's displayed score stays at least 0.1 points above its predecessor; raw benchmark rows do not move. Scores and prices remain blank when the corresponding public row or first-party rate is unavailable.
Jan 21, 2026 · you are here
Inworld TTS-1.5 MaxNot publicly ranked · Price not listed
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.
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 446 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.
Compare Inworld TTS-1.5 Max with every tracked model490 comparisons
Last updated September 18, 2026. Runtime fields remain blank until a sourced snapshot exists.
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