Claude Opus 5 vs VibeVoice ASR Streaming 1.5B

At a Glance

Compare
Claude Opus 5Anthropic
Intelligence, Cost, and Efficiency
IntelligenceHigher is better · MM Intelligence v2.5#3 of 4694.1 score · 3/3 sources · completeUnrankedNot in the 46-model eligible cohort
CostLower is better · Published-token output estimate#39 of 44$0.371 per LiveBench caseUnrankedNot in the 44-model eligible cohort
EfficiencyHigher is better · MM Efficiency v1.5#13 of 3857.6 score · 3/3 sources · completeUnrankedNot in the 38-model eligible cohort
Pricing and Limits
Input priceFrom · USD / 1M tokens$5.00Anthropic · Sep 3, 2026Not reported
Output priceFrom · USD / 1M tokens$25.00Anthropic · Sep 3, 2026Not reported
Context windowMaximum documented tokens1,000KNot reported
Model facts checkedAug 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

All benchmark results →
No Protocol-Matched Benchmark Yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.

Side-by-Side Facts

FieldClaude Opus 5VibeVoice-ASR-Streaming-1.5B
DeveloperAnthropicMicrosoft
FamilyClaude 5Vibevoice ASR Streaming
ModelClaude Opus 5VibeVoice-ASR-Streaming-1.5B
VersionClaude Opus 5VibeVoice-ASR-Streaming-1.5B
Lifecycleactiveactive
Released2026-07-242026-09-03
Knowledge cutoffUnknownUnknown
Input modalitiesText, ImageAudio
Output modalitiesTextText
Context window1,000KUnknown
Total parametersUnknown2.8B
Active parametersUnknownUnknown
LicenseUnknownmit
Open weightsNoYes
API availableYesNo
Self-hostableNoYes
Provider accessAnthropic (Standard), Deepinfra (Standard), Openrouter (Standard)Unknown
Capabilitieschat, generation, reasoning, toolsdiarization, hotwords, multilingual, streaming, transcription
Streaming chunkUnknown22 frames
Streaming lookaheadUnknown4 frames
Supported languagesUnknownChinese, English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish
Target sample rateUnknown24000 Hz

Claude Opus 5 Capabilities

chatgenerationreasoningtools
Serving providers3
Canonical IDanthropic/claude-opus-5

VibeVoice ASR Streaming 1.5B Capabilities

diarizationhotwordsmultilingualstreamingtranscription
Serving providers0
Canonical IDmicrosoft/VibeVoice-ASR-Streaming-1.5B

Primary Evidence

Sources and Freshness

Questions

Claude Opus 5 vs VibeVoice ASR Streaming 1.5B FAQs

Is Claude Opus 5 or VibeVoice ASR Streaming 1.5B better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Claude Opus 5 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, Claude Opus 5 or VibeVoice ASR Streaming 1.5B?+

Only Claude Opus 5 has a directly sourced input price: $5.00 per million tokens. Only Claude Opus 5 has a directly sourced output price: $25.00 per million tokens.

Which has a larger context window, Claude Opus 5 or VibeVoice ASR Streaming 1.5B?+

Neither model has a larger sourced context window in this comparison. Claude Opus 5 is 1,000K and VibeVoice ASR Streaming 1.5B is —.

Which performs better in benchmarks, Claude Opus 5 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 Claude Opus 5 or VibeVoice ASR Streaming 1.5B be self-hosted?+

VibeVoice ASR Streaming 1.5B is the only model in this pair currently marked as self-hostable. Claude Opus 5 is not marked open weight; VibeVoice ASR Streaming 1.5B is open weight.

Can Claude Opus 5 and VibeVoice ASR Streaming 1.5B understand images?+

Claude Opus 5 is 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, Claude Opus 5 or VibeVoice ASR Streaming 1.5B?+

Neither has a larger sourced maximum output. Claude Opus 5 is 128K and VibeVoice ASR Streaming 1.5B is —.

Do Claude Opus 5 and VibeVoice ASR Streaming 1.5B support reasoning and tool use?+

Claude Opus 5: reasoning, tool calling, and image input. 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, Claude Opus 5 or VibeVoice ASR Streaming 1.5B?+

Claude Opus 5 has 3 sourced provider routes; VibeVoice ASR Streaming 1.5B has 0, so Claude Opus 5 has broader tracked availability.

Which offers better value, Claude Opus 5 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.

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