Shisa LLM API
Access Japan's most advanced bilingual AI models through a simple OpenAI-compatible API. Built from the ground up for Japanese language excellence while maintaining strong English capabilities.
Choose Your Model
Three powerful models optimized for different use cases - from efficient edge deployment to maximum capability
- 16K context window
- Outperforms V2 70B in Japanese
- Fast inference, lower cost
shisa-ai/shisa-v2.1-unphi4-14b- 65K context window
- 9.26 Japanese MT-Bench score
- Approaching 405B performance
shisa-ai/shisa-v2.1-llama3.3-70b- 131K context window
- Outperforms GPT-4 Turbo
- CJK multilingual (JP/EN/KO/ZH)
Built for Japanese Excellence
Purpose-built models that understand Japanese language, culture, and nuance better than generic alternatives
Industry-Leading Performance
Validated against rigorous benchmarks including proprietary Japanese-specific evaluations
Shisa V2 405B is the highest-performing LLM ever trained in Japan, outperforming GPT-4 (0603) and GPT-4 Turbo (2024-04-09) in Japanese benchmarks.
Simple Integration
OpenAI-compatible API means you can start in minutes with familiar tools and SDKs
curl -XPOST https://api.shisa.ai/openai/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "shisa-ai/shisa-v2.1-llama3.3-70b",
"stream": true,
"messages": [
{
"role": "system",
"content": "You are a helpful assistant fluent in Japanese and English."
},
{
"role": "user",
"content": "日本の四季について教えてください。"
}
],
"temperature": 0.7
}'from openai import OpenAI
# Initialize client with Shisa AI endpoint
client = OpenAI(
base_url="https://api.shisa.ai/openai/v1",
api_key="YOUR_API_KEY"
)
def chat_with_shisa(message, model="shisa-ai/shisa-v2.1-llama3.3-70b"):
response = client.chat.completions.create(
model=model,
messages=[
{"role": "system", "content": "You are a helpful assistant."},
{"role": "user", "content": message}
],
stream=True,
temperature=0.7
)
for chunk in response:
if chunk.choices[0].delta.content:
print(chunk.choices[0].delta.content, end="", flush=True)
# Example usage
chat_with_shisa("東京でおすすめの観光スポットを教えてください。")import OpenAI from 'openai';
const client = new OpenAI({
baseURL: 'https://api.shisa.ai/openai/v1',
apiKey: 'YOUR_API_KEY',
});
async function chatWithShisa(message) {
const stream = await client.chat.completions.create({
model: 'shisa-ai/shisa-v2.1-llama3.3-70b',
messages: [
{ role: 'system', content: 'You are a helpful assistant.' },
{ role: 'user', content: message }
],
stream: true,
temperature: 0.7,
});
for await (const chunk of stream) {
const content = chunk.choices[0]?.delta?.content || '';
process.stdout.write(content);
}
}
// Example usage
await chatWithShisa('日本語で自己紹介をしてください。');Trusted Use Cases
See how businesses leverage Shisa LLM for Japanese AI applications
- Document translation
- Real-time chat translation
- Website localization
- Marketing content adaptation
- Customer support automation
- FAQ answering systems
- Appointment booking
- Product recommendations
- Blog posts & articles
- Product descriptions
- Email drafting
- Social media content
Ready to Build with Japan's Best LLM?
Contact us for API access and start building with Shisa LLM. Enterprise plans available with dedicated support.