LiteLLMModels

Lfm 40B API Pricing

As of October 10, 2026, Lfm 40B costs $0.10 per 1M input tokens and $0.20 per 1M output tokens on Lambda. It has a 131,072-token context window and returns up to 131,072 tokens per response.

Model ID lambda_ai/lfm-40bPrices updated Checked
Input
$0.10 / 1M tokens
Output
$0.20 / 1M tokens
Context window
131,072 tokens
Max output
131,072 tokens
Providers
1
Added to LiteLLM
July 2025

Lfm 40B 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
Lambdalambda_ai/lfm-40b$0.10$0.20128K

What Lfm 40B costs in practice

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

Lambda$0.30

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

Lambda$1.04

Lfm 40B features

Use Lfm 40B with LiteLLM

Call Lfm 40B 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="lambda_ai/lfm-40b",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: lfm-40b
    litellm_params:
      model: lambda_ai/lfm-40b
      # 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": "lfm-40b",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Lfm 40B FAQ

How much does Lfm 40B cost?

Lfm 40B costs $0.10 per 1M input tokens and $0.20 per 1M output tokens on Lambda.

What is the context window of Lfm 40B?

Lfm 40B has a 131,072-token context window and returns up to 131,072 tokens per response.

Which providers offer Lfm 40B?

Lfm 40B is available from Lambda through LiteLLM, using the model name lambda_ai/lfm-40b.

How do I call Lfm 40B with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="lambda_ai/lfm-40b", 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 Lfm 40B support?

Lfm 40B supports function calling and parallel tool calls.

When did LiteLLM add Lfm 40B?

Lfm 40B was added to LiteLLM's model price file in July 2025.

Sources

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

LiteLLM docs: Lambda.

Provider pages: Lambda.