Ernie 5.1 API Pricing

Ernie 5.1 pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

What Ernie 5.1 costs in practice

1,000 requests with 2,000 input and 500 output tokens each

100 long-document requests with 100,000 input and 2,000 output tokens each

Ernie 5.1 features

• Reasoning
• Prompt caching

Use Ernie 5.1 with LiteLLM

Call Ernie 5.1 through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.

from litellm import completion

response = completion(
    model="aihubmix/ernie-5.1",
    messages=[{"role": "user", "content": "Hello!"}],
)

model_list:
  - model_name: ernie-5.1
    litellm_params:
      model: aihubmix/ernie-5.1
      # credentials: see the provider's LiteLLM docs page

curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "ernie-5.1",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Ernie 5.1 FAQ

More Baidu models

• Ernie 4.5 21B A3B$0.07 / $0.28 per 1M tokens
• Ernie 4.5 21B A3B Thinking$0.07 / $0.28 per 1M tokens
• Ernie 4.5 300B A47B Paddle$0.28 / $1.10 per 1M tokens
• Ernie 4.5 VL 28B A3B$0.14 / $0.56 per 1M tokens
• Ernie 4.5 VL 28B A3B Thinking$0.39 / $0.39 per 1M tokens
• Ernie 4.5 VL 424B A47B$0.42 / $1.25 per 1M tokens
• Ernie 4p5 21B A3B Pt$0.10 / $0.10 per 1M tokens
• Ernie 4p5 300B A47B Pt$0.10 / $0.10 per 1M tokens