Project AURIONAI Use-Cases Research & Innovation
multimodal LLMfamily

MERaLiON-2

MERaLiON-2 is a family of speech-text large language models from A*STAR I2R tailored to Singapore and Southeast Asia, with 10B, 10B-ASR and 3B members.

A*STAR (Institute for Infocomm Research, I2R)
Levelfamily
Classmultimodal LLM
Parametersnot in the notes
Contextnot in the notes
Released20 May 2025
Opennessopen weights restricted
Runs onnot in the notes
Statusnot in the notes

Benchmark Results

vendor-reportedmaintainer-run
MERaLiON-2-3BIndonesian ASR, average WER by languagevendor-reported
0.132
MERaLiON-2-10BIndonesian ASR, average WER by languagevendor-reported
0.143
00.080.16

Score in WER. Lower is better.

SEA-HELMSoutheast Asian and Indonesian
MERaLiON-2-10BIndonesian overall; average of 2000 bootstrapsmaintainer-run
58.01 95% CI -1.66 to +1.65
04080

Score in score. Higher is better.

rank 16 of 18, SEA-HELM Indonesian leaderboard, 18 models18 Sep 2026 leaderboard.sea-lion.ai
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).

Lineage

A*STAR (Institute for Infocomm Research, I2R)MERaLiON-2-3B belongs to this familymultimodal LLM25 May 20253.47B
A*STAR (Institute for Infocomm Research, I2R)MERaLiON-2-10B belongs to this familymultimodal LLM20 May 202510.11B
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. Confidence and evidence are the notes' own.

R&D Topics

Identity

Developer
A*STAR (Institute for Infocomm Research, I2R)
Family
not in the notes
Released
20 May 2025 sourcesregistry date
Weights published
–
Record checked
11 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
not in the notes
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
audio, text
Output
text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights restricted
Licence
MERaLiON Public License v3 sources
Access routes
open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
not in the notes
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
measured on a benchmark
  • MERaLiON ASR table, Indonesian row (average word error rate by language): 0.142813, run by A*STAR MERaLiON team (developer-reported) huggingface.co
  • SEA-HELM Indonesian leaderboard (ID aggregate): 58.01 (95% CI -1.66 to +1.65), run by AI Singapore (SEA-HELM leaderboard maintainer) leaderboard.sea-lion.ai
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
English (global and Singapore), Chinese, Singlish, Malay, Tamil, Indonesian, Thai and Vietnamese audio
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Industry Use Cases

No industry use case links this model.

Sources

  1. huggingface.co/MERaLiON/MERaLiON-2-10B https://huggingface.co/MERaLiON/MERaLiON-2-10B
  2. SEA-HELM Leaderboard leaderboard.sea-lion.ai https://leaderboard.sea-lion.ai/detailed/ID

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "MERaLiON-2", https://aurion.semai.id/models/a-star-meralion-2/, records of October 2026.