Phi-4 Reasoning vs VibeVoice ASR Streaming 1.5B
At a Glance
| Compare |  Phi-4 ReasoningMicrosoft | VibeVoice ASR Streaming 1.5BMicrosoft |
|---|---|---|
| Pricing and Limits | ||
| Context windowMaximum documented tokens | 33K | Not reported |
| Model facts checked | Aug 28, 2026View model evidence → | Sep 2, 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 | Phi-4-reasoning | VibeVoice-ASR-Streaming-1.5B |
|---|---|---|
| Developer | Microsoft | Microsoft |
| Family | Phi 4 Reasoning | Vibevoice ASR Streaming |
| Model | Phi-4-reasoning | VibeVoice-ASR-Streaming-1.5B |
| Version | Phi-4-reasoning | VibeVoice-ASR-Streaming-1.5B |
| Lifecycle | active | active |
| Released | 2025-04-30 | 2026-09-03 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Audio |
| Output modalities | Text | Text |
| Context window | 33K | Unknown |
| Total parameters | 14.7B | 2.8B |
| Active parameters | Unknown | Unknown |
| License | mit | mit |
| Open weights | Yes | Yes |
| API available | Unknown | No |
| Self-hostable | Yes | Yes |
| Provider access | Unknown | Unknown |
| Capabilities | chat, generation, reasoning | diarization, hotwords, multilingual, streaming, transcription |
| Streaming chunk | Unknown | 22 frames |
| Streaming lookahead | Unknown | 4 frames |
| Supported languages | Unknown | Chinese, English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish |
| Target sample rate | Unknown | 24000 Hz |
Phi-4 Reasoning Capabilities
VibeVoice ASR Streaming 1.5B Capabilities
Related Comparisons
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Phi-4-reasoningMicrosoft | vs | Grok 4.6xAI | cross-developer peerstext |
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Phi-4-reasoningMicrosoft | vs |  Kimi-K3Moonshot AI | cross-developer peerstext |
 MiniMax-M3MiniMax | vs | Phi-4-reasoningMicrosoft | cross-developer peerstext |
Phi-4-reasoningMicrosoft | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Phi-4-reasoningMicrosoft | vs |  Hy4 previewTencent | cross-developer peerstext |
Seed 2.1 ProByteDance Seed | vs | Phi-4-reasoningMicrosoft | cross-developer peerstext |
Phi-4-reasoningMicrosoft | vs |  Mistral Large 3Mistral AI | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
Phi-4 Reasoning vs VibeVoice ASR Streaming 1.5B FAQs
Is Phi-4 Reasoning or VibeVoice ASR Streaming 1.5B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Phi-4 Reasoning and VibeVoice ASR Streaming 1.5B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Phi-4 Reasoning or VibeVoice ASR Streaming 1.5B?+
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, Phi-4 Reasoning or VibeVoice ASR Streaming 1.5B?+
Neither model has a larger sourced context window in this comparison. Phi-4 Reasoning is 33K and VibeVoice ASR Streaming 1.5B is —.
Which performs better in benchmarks, Phi-4 Reasoning or VibeVoice ASR Streaming 1.5B?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Phi-4 Reasoning or VibeVoice ASR Streaming 1.5B be self-hosted?+
Both models have the same recorded self-hosting status: supported. Phi-4 Reasoning is open weight; VibeVoice ASR Streaming 1.5B is open weight.
Can Phi-4 Reasoning and VibeVoice ASR Streaming 1.5B understand images?+
Phi-4 Reasoning is not documented with image input; VibeVoice ASR Streaming 1.5B is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Phi-4 Reasoning or VibeVoice ASR Streaming 1.5B?+
Neither has a larger sourced maximum output. Phi-4 Reasoning is — and VibeVoice ASR Streaming 1.5B is —.
Do Phi-4 Reasoning and VibeVoice ASR Streaming 1.5B support reasoning and tool use?+
Phi-4 Reasoning: reasoning. VibeVoice ASR Streaming 1.5B: none of these features are definitively sourced. Feature support does not establish relative quality.
Which is available from more inference providers, Phi-4 Reasoning or VibeVoice ASR Streaming 1.5B?+
Phi-4 Reasoning has 0 sourced provider routes; VibeVoice ASR Streaming 1.5B has 0, a tie.
Which offers better value, Phi-4 Reasoning or VibeVoice ASR Streaming 1.5B?+
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.