Grok Voice Think Fast 1.0
Model overview
grok-voice-think-fast-1.0
xAI's current flagship realtime voice-agent model.
general LLMspeechaudiorealtimereasoningrealtime voicevoice assistantenterprise access
Representative version
grok-voice-think-fast-1.0
| Company | xAI |
|---|---|
| Release | 2026-04-23 |
| Release type | Model release |
| Parameters | Not disclosed |
| Architecture | Not disclosed |
| Context | Not disclosed |
| Input modalities | text / audio |
| Output modalities | text / audio |
| Tool use / function calling | Confirmed: Tool use |
| Structured output / reasoning | Confirmed: Reasoning |
| Vision / audio / video | Confirmed: Audio |
| Open weights / License | No open weights / license not applicable xai-grok-voice-think-fast-1-0-current · License not applicable |
| Vendor API | Available Grok Voice Think Fast 1.0 announcementxai-grok-voice-think-fast-1-0-current · 2026-04-23 |
| OpenRouter | Not separately listed on OpenRouter |
| Pricing | Official pricing page |
| Benchmark | No reliable public source |
| Public signals | No reliable public source |
| Use cases | Realtime voice agents / Spoken assistants / Interactive audio / realtime voice |
| Claim evidence | Release / model specs / weightsGrok Voice Think Fast 1.0 announcementgrok-voice-think-fast-1.0 · 2026-04-23 |
OpenRouter
Pricing / context / availability
| OpenRouter | Not separately listed on OpenRouter |
|---|---|
| OpenRouter listing | Not separately listed in the current OpenRouter public list |
| Mapped version | grok-voice-think-fast-1.0 xai-grok-voice-think-fast-1-0-current |
| Pricing | Official pricing page |
| Context | Not disclosed |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-07-15T20:11:41.551Z |
| Source | View source |
Evidence gaps
Public display boundary
Parameter scale not disclosedOpenRouter not separately verifiedNo reliable benchmark sourceNo public model-card activity countersNo linkable real reviewSpeed/latency not disclosed