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.
- 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.
| Provider | Model name in LiteLLM | Input | Output | Context |
|---|---|---|---|---|
| Novita AI | novita/skywork/r1v4-lite | $0.20 | $0.60 | 256K |
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
- Structured output
- Image input
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.
from litellm import completion
response = completion(
model="novita/skywork/r1v4-lite",
messages=[{"role": "user", "content": "Hello!"}],
)model_list:
- model_name: r1v4-lite
litellm_params:
model: novita/skywork/r1v4-lite
# credentials: see the provider's LiteLLM docs pagecurl 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.
