Inworld Realtime TTS-2 released
Inworld · Model release
Source confirmed
Inworld Realtime TTS-2
Released Aug 31, 2026 — see all recent releases
Decision reading
Inworld Realtime TTS-2 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 September 10, 2026 · How the score is built
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Voice benchmark evidence
Realtime TTS-2 launch evaluation is an owner-defined voice evaluation. Its result stays separate from BenchLM's weighted text-model ranking.
Independent speech arena
#1
Time to first byte (P90, server-side)
100 ms
Languages
200+
Provider API ID
inworld-tts-2
Provider snapshot · Inworld · 2026-08-31
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
- inworld-tts-2Inworld model documentation
- 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
- Generally available since August 31, 2026 as inworld-tts-2 on the Inworld API and Realtime API (research preview from May 5), with 100+ languages, natural-language voice direction, multi-turn audio awareness, and instant voice cloning. TTS-1.5 Max and Mini are deprecated and rerouted to the newer models.
- Cloud regions
- Not tracked yet
- Lifecycle
- Current
- API capabilities
- Tool calling, structured outputs, and batch support are not tracked yet
- Prompt caching
- Not documented in the pricing recordInworld model documentation
- 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.
Aug 31, 2026 · you are here
Inworld Realtime TTS-2Not publicly ranked · Price not listed
Base entry
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 Realtime TTS-2, 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 Realtime TTS-2 is a proprietary model with a N/A context window. No explicit reasoning mode is documented in this profile.
Generally available since August 31, 2026 as inworld-tts-2 on the Inworld API and Realtime API (research preview from May 5), with 100+ languages, natural-language voice direction, multi-turn audio awareness, and instant voice cloning. TTS-1.5 Max and Mini are deprecated and rerouted to the newer models.
Inworld Realtime TTS-2 is a display-only conversational text-to-speech model that succeeds TTS-1.5 Max. Voice results remain separate from BenchLM’s weighted text-model ranking.
The profile has no source-displayable benchmark row yet.
Radar
Full release historyInworld Realtime TTS-2 release history
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Frequently asked questions
How does Inworld Realtime TTS-2 perform overall in AI benchmarks?
Inworld Realtime TTS-2 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 Realtime TTS-2 have full benchmark coverage on BenchLM?
No. Inworld Realtime TTS-2 currently has 0 source-displayable rows across 434 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 Realtime TTS-2?
Inworld Realtime TTS-2 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 Realtime TTS-2 with every tracked model482 comparisons
Last updated September 10, 2026. Runtime fields remain blank until a sourced snapshot exists.
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