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Comparison of Together: Tev1 4B Experimental, Respan: Span-01 Lite
2 modelstogethercomputerTogether: Tev1 4B ExperimentalRemove ×respanRespan: Span-01 LiteRemove ×
What’s differentTev1 4B Experimental is an experimental decision model from Together AI, a supervised fine-tune of Qwen3.5-4B trained to choose one option from a structured state, question, and list of 2-24...Span-01 Lite is the free, lighter tier of Span-01, a behavior scoring model from Respan. It returns, for each plain-language behavior you define, the probability that the behavior is present...
DateSep 30, 2026ListedSep 26, 2026Listed
Listed rate$0.042 in / $0.00 out/ 1M tokensOpenRouter · all routes ↗$0.00 in / $0.00 out/ 1M tokensOpenRouter · all routes ↗
Provider endpoints1 endpoint →1 endpoint →
Context window32.8K—
Max output8—
Parameters4B—
Open weightsSupportedNot reported

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