VibeVoice ASR Streaming 1.5B vs NVIDIA Nemotron 3.5 Lightning 30B A3B
At a Glance
| Compare | VibeVoice ASR Streaming 1.5BMicrosoft | |
|---|---|---|
| Pricing and Limits | ||
| Context windowMaximum documented tokens | Not reported | 1,049K |
| Model facts checked | Sep 2, 2026View model evidence → | Sep 3, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | VibeVoice-ASR-Streaming-1.5B | NVIDIA Nemotron 3.5 Lightning 30B-A3B |
|---|---|---|
| Developer | Microsoft | NVIDIA |
| Family | Vibevoice ASR Streaming | Nvidia Nemotron 3 5 Lightning |
| Model | VibeVoice-ASR-Streaming-1.5B | NVIDIA Nemotron 3.5 Lightning 30B-A3B |
| Version | VibeVoice-ASR-Streaming-1.5B | NVIDIA Nemotron 3.5 Lightning 30B-A3B |
| Lifecycle | active | active |
| Released | 2026-09-03 | 2026-08-11 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Audio | Text |
| Output modalities | Text | Text |
| Context window | Unknown | 1,049K |
| Total parameters | 2.8B | 30B |
| Active parameters | Unknown | 3B |
| License | mit | openmdw-1.1 |
| Open weights | Yes | Yes |
| API available | No | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Unknown | Fireworks Ai (Standard) |
| Capabilities | diarization, hotwords, multilingual, streaming, transcription | agents, chat, generation, reasoning, tools |
| Streaming chunk | 22 frames | Unknown |
| Streaming lookahead | 4 frames | Unknown |
| Supported languages | Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish | Unknown |
| Target sample rate | 24000 Hz | Unknown |
VibeVoice ASR Streaming 1.5B Capabilities
NVIDIA Nemotron 3.5 Lightning 30B A3B Capabilities
Primary Evidence
Sources and Freshness
Questions
VibeVoice ASR Streaming 1.5B vs NVIDIA Nemotron 3.5 Lightning 30B A3B FAQs
Is VibeVoice ASR Streaming 1.5B or NVIDIA Nemotron 3.5 Lightning 30B A3B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both VibeVoice ASR Streaming 1.5B and NVIDIA Nemotron 3.5 Lightning 30B A3B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, VibeVoice ASR Streaming 1.5B or NVIDIA Nemotron 3.5 Lightning 30B A3B?+
Neither model has a directly sourced input price in this comparison. Neither model has a directly sourced output price in this comparison.
Which has a larger context window, VibeVoice ASR Streaming 1.5B or NVIDIA Nemotron 3.5 Lightning 30B A3B?+
Neither model has a larger sourced context window in this comparison. VibeVoice ASR Streaming 1.5B is — and NVIDIA Nemotron 3.5 Lightning 30B A3B is 1,049K.
Which performs better in benchmarks, VibeVoice ASR Streaming 1.5B or NVIDIA Nemotron 3.5 Lightning 30B A3B?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can VibeVoice ASR Streaming 1.5B or NVIDIA Nemotron 3.5 Lightning 30B A3B be self-hosted?+
Both models have the same recorded self-hosting status: supported. VibeVoice ASR Streaming 1.5B is open weight; NVIDIA Nemotron 3.5 Lightning 30B A3B is open weight.
Can VibeVoice ASR Streaming 1.5B and NVIDIA Nemotron 3.5 Lightning 30B A3B understand images?+
VibeVoice ASR Streaming 1.5B is not documented with image input; NVIDIA Nemotron 3.5 Lightning 30B A3B is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, VibeVoice ASR Streaming 1.5B or NVIDIA Nemotron 3.5 Lightning 30B A3B?+
Neither has a larger sourced maximum output. VibeVoice ASR Streaming 1.5B is — and NVIDIA Nemotron 3.5 Lightning 30B A3B is —.
Do VibeVoice ASR Streaming 1.5B and NVIDIA Nemotron 3.5 Lightning 30B A3B support reasoning and tool use?+
VibeVoice ASR Streaming 1.5B: none of these features are definitively sourced. NVIDIA Nemotron 3.5 Lightning 30B A3B: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, VibeVoice ASR Streaming 1.5B or NVIDIA Nemotron 3.5 Lightning 30B A3B?+
VibeVoice ASR Streaming 1.5B has 0 sourced provider routes; NVIDIA Nemotron 3.5 Lightning 30B A3B has 1, so NVIDIA Nemotron 3.5 Lightning 30B A3B has broader tracked availability.
Which offers better value, VibeVoice ASR Streaming 1.5B or NVIDIA Nemotron 3.5 Lightning 30B A3B?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.