Llama 3.1 8B Instant API Pricing

By Meta · 1 providerinferenceapis/llama-3.1-8b-instantCompare

Input / output: $0.20 / $0.50 per 1M tokens
Context: 128K tokens
Added: July 2024

As of October 21, 2026, Llama 3.1 8B Instant costs $0.20 per 1M input tokens and $0.50 per 1M output tokens on Inference APIs. It has a 131,072-token context window.

Prices updated October 15, 2026Checked October 21, 2026

Llama 3.1 8B Instant 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.

Llama 3.1 8B Instant prices by provider in US dollars, token prices per 1M tokens, as of October 21, 2026. Source: LiteLLM model price file.
Provider	Model name in LiteLLM	Input	Output	Context
Inference APIs	`inferenceapis/llama-3.1-8b-instant`	$0.20	$0.50	128K

What Llama 3.1 8B Instant costs in practice

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

Inference APIs

$0.65

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

Inference APIs

$2.10

Llama 3.1 8B Instant cost calculator

At Inference APIs's price ($0.20 input, $0.50 output per 1M tokens), 10,000 requests a day with 1,000 input and 500 output tokens each cost $4.50 a day, about $135 a month. Change the numbers for your workload, or compare it with other models.

Input tokens per requestOutput tokens per requestRequests per day

Per request: $0.00045
Per day: $4.50
Per month (30 days): $135

Llama 3.1 8B Instant features

Function calling
Image input
Reasoning

Use Llama 3.1 8B Instant with LiteLLM

Call Llama 3.1 8B Instant 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="inferenceapis/llama-3.1-8b-instant",
    messages=[{"role": "user", "content": "Hello!"}],
)

Proxy config.yaml

model_list:
  - model_name: llama-3.1-8b-instant
    litellm_params:
      model: inferenceapis/llama-3.1-8b-instant
      # 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 $LITELLM_API_KEY" \
  -d '{
    "model": "llama-3.1-8b-instant",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Llama 3.1 8B Instant FAQ

How much does Llama 3.1 8B Instant cost?

Llama 3.1 8B Instant costs $0.20 per 1M input tokens and $0.50 per 1M output tokens on Inference APIs.

What is the context window of Llama 3.1 8B Instant?

Llama 3.1 8B Instant has a 131,072-token context window.

Which providers offer Llama 3.1 8B Instant?

Llama 3.1 8B Instant is available from Inference APIs through LiteLLM, using the model name inferenceapis/llama-3.1-8b-instant.

How do I call Llama 3.1 8B Instant with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="inferenceapis/llama-3.1-8b-instant", 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 Llama 3.1 8B Instant support?

Llama 3.1 8B Instant supports function calling. It does not support image input and reasoning.

When did LiteLLM add Llama 3.1 8B Instant?

Llama 3.1 8B Instant was added to LiteLLM's model price file in July 2024.

Sources

Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change. Provider pricing pages:

inferenceapis.com/pricing

LiteLLM docs: Inference APIs.

Provider pages: Inference APIs.