Tencent: Hy-MT2-1.8B

tencent/hy-mt2-1.8b

Hy-MT2-1.8B is a compact 1.8B-parameter translation model from Tencent. It supports 33 language pairs and five Chinese dialect and minority-language pairs, with workflows for structured, delimiter-bas...

MODALITIES

→

INPUT PRICE

$0.04per 1M

OUTPUT PRICE

$0.18per 1M

CONTEXT

8.2K

RELEASED

Aug 20, 2026

Provider				Uptime	Chat
FastAPI	—	$0.044	$0.177

Capabilities

Input modalities

text

Output modalities

text

Features

max_completion_tokensmax_tokensstoptemperature

Get API Key

Create an API key from the Keys page, then set it as an environment variable:

export ONLIST_API_KEY=sk-...

Make your first request

Endpoints

POSThttps://onlist.io/v1/chat/completions

OpenAI Chat Completions format

Request Headers

Authorization:Bearer $ONLIST_API_KEY

Content-Type:application/json

Model:tencent/hy-mt2-1.8b

POSThttps://onlist.io/v1/responses

OpenAI Responses format

Request Headers

Authorization:Bearer $ONLIST_API_KEY

Content-Type:application/json

Model:tencent/hy-mt2-1.8b

POSThttps://onlist.io/v1/messages

Anthropic Messages format

Request Headers

Authorization:Bearer $ONLIST_API_KEY

Content-Type:application/json

Model:tencent/hy-mt2-1.8b

Code samples

curl https://onlist.io/v1/chat/completions \
  -H "Authorization: Bearer $ONLIST_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "model": "tencent/hy-mt2-1.8b",
       "messages": [
         {
           "role": "user",
           "content": "Explain quantum entanglement in one paragraph."
         }
       ]
     }'

Replace $ONLIST_API_KEY with the API key from your Keys page.

Authentication

All requests must include an Authorization: Bearer <TOKEN> header. Generate keys from the Keys page; keys can be scoped to specific models, groups, IP ranges, and rate limits.

Enable streaming

Add "stream": true to receive partial responses as server-sent events in real time.

Streaming example

curl https://onlist.io/v1/chat/completions \
  -H "Authorization: Bearer $ONLIST_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
       "model": "tencent/hy-mt2-1.8b",
       "messages": [
         {
           "role": "user",
           "content": "Write a haiku about recursion."
         }
       ],
       "stream": true
     }'

Supported parameters

Name	Type	Description
`max_completion_tokens`	integer	Upper bound on tokens generated, including visible and reasoning tokens.
`max_tokens`	integer	Maximum number of tokens to generate in the completion.
`stop`	string \| array	Up to 4 sequences where the API will stop generating tokens.
`temperature`	number	Sampling temperature between 0 and 2. Higher values make output more random.

These are the request parameters this model accepts. Parameter semantics follow the OpenAI Chat Completions specification.