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Cola2

ByteDance Seed🇨🇳 CNMajor lab· Nov 6, 2026

Textopen weights

Cola2 is a base text generation model that compresses text into semantic spans, generates continuous latents with a diffusion transformer, and decodes them into tokens. The model card reports a 60.10 average over eight tasks after training on 346.03B source tokens.

Summary of the model card

Modalities
text → text

1 variant

StandardHF

Sources

HuggingFacePaper
Deutsch

Cola2 ist ein Basismodell für Textgenerierung, das Text in semantische Spans komprimiert, kontinuierliche Latents per Diffusion Transformer erzeugt und diese in Tokens dekodiert. Laut Modelcard erreicht es im Schnitt 60.10 Prozent über acht Aufgaben bei 346.03B Quelltokens.

Benchmarks

BenchmarkDomainValueEvidence
TruthfulQAvendor numbersafety63.04 % wahrheitsgemaess48
MMLUvendor numberknowledge63.19 % correct39

Vendor-reported numbers are marked and count with factor 0.7 in rankings. The evidence score says how much a benchmark still tells you today.

Provenance

Detected
Nov 9, 2026
First source
huggingface
Description
Summary of the model card
Editorially reviewed
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