OpenThai vs SEA-LION vs Typhoon (ไต้ฝุ่น) by SCB DataX vs WangchanX
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
OpenThai
Thailand's community-built open-weight Thai language models, renamed f...
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SEA-LION
AI Singapore's open-weight LLMs tuned for Southeast Asian languages
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WangchanX
VISTEC's open Thai fine-tuning pipeline, models and instruction datase...
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| RECATOOLS Score | 7 / 10 | 8.2 / 10 | 7.3 / 10 | 7.2 / 10 |
| Capability | — | |||
| Value for money | — | |||
| Ease of use | — | |||
| ASEAN readiness | — | |||
| API quality | — | |||
| Pricing | Open Source | Open Source | Open Source | Open Source |
| Free tier | Free weights on Hugging Face, Ollama and LM Studio; licence varies by model (Apache 2.0, Qwen, Llama 2 or NVIDIA terms) | All weights free on Hugging Face; a free trial API key at 10 requests a minute for proofs of concept | Open weights free on Hugging Face; free beta API (typhoon-v2.5-30b-a3b and v2.1-12b, 200 requests a minute) after sign-up | Free to download and self-host; licences vary by component, from Apache 2.0 and MIT to non-commercial rows |
| Paid from | — | No paid tier: production runs on cloud partners at their own rates | — | No paid tier; you pay only for your own compute |
| Has API | ✗ | ✓ | ✓ | ✗ |
| Open source | ✓ | ✓ | ✓ | ✓ |
| Free to use | ✓ | ✓ | ✓ | ✓ |
| Users | — | Hundreds to low-thousands of monthly Hugging Face downloads per variant | — | 100K+ monthly downloads (WangchanBERTa on Hugging Face) |
| Founded | 2023 | 2023 | 2023 | 2024 |
| Maker | Artificial Intelligence Entrepreneur Association of Thailand (AIEAT) | AI Singapore | SCB DataX | VISTEC-depa AI Research Institute of Thailand |
| Verdict | OpenThai is the most active community source of open Thai models: a 27B multimodal flagship under Apache 2.0, a Thai legal model that already powers a working legal chatbot, and a tiny classifier that runs on a laptop. L... |
SEA-LION is the open model family to start with for Southeast Asian language work: regularly updated, MIT-licensed in its newest releases, and evaluated on SEA-HELM, the regional benchmark its own team maintains. The Sep... |
Typhoon is the default starting point for Thai-language AI: open models tuned for Thai text, OCR that reads Thai documents, and speech recognition that handles Isan as well as central Thai. By the team's own count it was... |
WangchanX is useful infrastructure for Thai-language work: a documented pipeline for SFT, DPO and ORPO, a well-used Thai encoder in WangchanBERTa, and WangchanThaiInstruct, a 40,000-example human-written dataset with a p... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.