---
title: Meta: Llama 3.1 8B Instruct — Context Window and Pricing
canonical: https://prompeteer.ai/models/meta-llama-llama-3-1-8b-instruct
updated: 2026-09-22T00:00:00-07:00
source: OpenRouter /models
---

# Meta: Llama 3.1 8B Instruct

Meta: Llama 3.1 8B Instruct offers a 131,072-token context window at $0.05 per 1M input tokens and $0.08 per 1M output tokens.

| Attribute | Value |
| --- | --- |
| Context window | 131,072 tokens |
| Input price | $0.05 / 1M |
| Output price | $0.08 / 1M |
| Input modalities | text |
| Model id | meta-llama/llama-3.1-8b-instruct |

## FAQ

**What is the context window of Meta: Llama 3.1 8B Instruct?**

Meta: Llama 3.1 8B Instruct supports up to 131,072 tokens of context.

**How much does Meta: Llama 3.1 8B Instruct cost?**

$0.05 per 1M input tokens and $0.08 per 1M output tokens (via OpenRouter /models, as of Sep 22, 2026).

**What input types does Meta: Llama 3.1 8B Instruct support?**

Meta: Llama 3.1 8B Instruct accepts text.

Source: Data via OpenRouter /models — as of Sep 22, 2026.

## Sources and scope

[OpenRouter model catalogue feed](https://openrouter.ai/api/v1/models)

- [Meta: Llama 3.1 8B Instruct source listing](https://openrouter.ai/meta-llama/llama-3.1-8b-instruct)

These are provider-catalog specifications, not a task-quality benchmark. Prices describe the source listing and may vary by provider or routing. Unknown values are shown as — when the feed did not supply that value.

## Try your task

[Open the prompt composer](/create)

Open the composer and choose a supported target model. The reference catalogue may include models unavailable in the composer.