LiteLLMModels

R1v4 Lite API Pricing

As of October 10, 2026, R1v4 Lite costs $0.20 per 1M input tokens and $0.60 per 1M output tokens on Novita AI. It has a 262,144-token context window and returns up to 65,536 tokens per response.

Model ID novita/skywork/r1v4-litePrices updated Checked
Input
$0.20 / 1M tokens
Output
$0.60 / 1M tokens
Context window
262,144 tokens
Max output
65,536 tokens
Providers
1
Added to LiteLLM
January 2026

R1v4 Lite 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.

ProviderModel name in LiteLLMInputOutputContext
Novita AInovita/skywork/r1v4-lite$0.20$0.60256K

What R1v4 Lite costs in practice

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

Novita AI$0.70

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

Novita AI$2.12

R1v4 Lite features

Use R1v4 Lite with LiteLLM

Call R1v4 Lite 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.

Python SDK
from litellm import completion

response = completion(
    model="novita/skywork/r1v4-lite",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: r1v4-lite
    litellm_params:
      model: novita/skywork/r1v4-lite
      # credentials: see the provider's LiteLLM docs page
Call the proxy
curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "r1v4-lite",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

R1v4 Lite FAQ

How much does R1v4 Lite cost?

R1v4 Lite costs $0.20 per 1M input tokens and $0.60 per 1M output tokens on Novita AI.

What is the context window of R1v4 Lite?

R1v4 Lite has a 262,144-token context window and returns up to 65,536 tokens per response.

Which providers offer R1v4 Lite?

R1v4 Lite is available from Novita AI through LiteLLM, using the model name novita/skywork/r1v4-lite.

How do I call R1v4 Lite with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="novita/skywork/r1v4-lite", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

What features does R1v4 Lite support?

R1v4 Lite supports structured output and image input.

When did LiteLLM add R1v4 Lite?

R1v4 Lite was added to LiteLLM's model price file in January 2026.

Sources

Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request.

Provider pages: Novita AI.