Meta: Llama-3.1-8B-Instruct

Compact open Llama model for lightweight chat, drafting, and self-hosting

Source-linked llama Open weights Released 2024-07-23

API record Report

InputT

OutputT

Input price$0.02/M

Output price$0.04/M

Context128K

Max output4.096K

Providers8

Inference availability

Providers

Provider-specific identifiers, limits, and listed prices per million tokens. Every row links back to the provider's own documentation.

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Providers offering Llama-3.1-8B-Instruct
Provider	Provider model ID	Context	Max output	Input	Output	Cache read	Capabilities	Docs
Nvidia	`meta/llama-3.1-8b-instruct`	16K	4.096K	—	—	—	Tools	Docs ↗
Kilo Gateway	`meta-llama/llama-3.1-8b-instruct`	131.072K	117.964K	$0.02	$0.04	—	ToolsJSON	Docs ↗
Novita AI	`meta-llama/llama-3.1-8b-instruct`	16.384K	16.384K	$0.02	$0.05	—	JSON	Docs ↗
Inference	`meta/llama-3.1-8b-instruct`	16K	4.096K	$0.025	$0.025	—	Tools	Docs ↗
OpenRouter	`meta-llama/llama-3.1-8b-instruct`	131.072K	117.964K	$0.05	$0.08	$0.025	ToolsJSON	Docs ↗
Hugging Face	`meta-llama/Llama-3.1-8B-Instruct`	131.072K	4.096K	$0.06	$0.06	—	ToolsJSON	Docs ↗
Cortecs	`llama-3.1-8b-instruct`	128K	128K	$0.167	$0.167	—	ReasoningToolsJSON	Docs ↗
Merge Gateway	`meta/llama-3.1-8b-instruct`	128K	2.048K	$0.22	$0.22	—	Tools	Docs ↗

Capability badges appear only where the provider catalog explicitly lists support. A blank cell means the source is silent, not that the feature is absent.

Listed rates

Price across providers

Input price per million tokens as published by each provider. Bars are drawn from listed rates only — no traffic weighting, since the catalog observes no requests.

Lowest input $0.02/M

Across 7 priced providers

Median input $0.05/M

Midpoint of listed rates

Highest input $0.22/M

11.0× the lowest listed rate

Output range $0.025 – $0.22

Per million output tokens

Kilo Gateway $0.02/M

Novita AI $0.02/M

Inference $0.025/M

OpenRouter $0.05/M

Hugging Face $0.06/M

Cortecs $0.167/M

Merge Gateway $0.22/M

Cost calculator

Estimate a workload

Provider Input tokens 1,000,000 Output tokens 250,000 Cached input 0%

$0.00

Excludes taxes, non-token charges, and tiered discounts.

2 providers list the identical $0.02 input rate, so price alone will not separate them — compare context limits, max output, and capabilities above.

Context limits also differ by provider, from 16K to 131.072K tokens. Compare the provider table above before choosing on price alone.

Specification

Capabilities

Recorded from the source catalog and provider listings.

× Reasoning No

✓ Tool calling Yes

✓ Structured output Yes

× Attachments No

× Vision input No

✓ Open weights Yes

Creator: Meta
Model family: llama
Knowledge cutoff: 2023-12
License: Not documented
Release date: 2024-07-23
Model ID: meta/llama-3.1-8b-instruct

Weights: Hugging Face ↗

Published evaluations

Benchmarks

Every result stays attached to its source, version, metric and harness. Scores from different versions are never merged, and the profile below plots each benchmark against its own population rather than on a shared scale.

Benchmark registry

No published benchmark results

ModelBench does not infer quality from price, context size, or model name. When a source publishes a comparable result, it appears here with its version and link.

Read the methodology

Catalog activity

Change log

Field-level changes detected between successful source imports.

Full change log

Oct 24, 2026Price Completion0.05 → 0.04

Oct 24, 2026Price Completion0.04 → 0.05

Oct 23, 2026Price Completion0.05 → 0.04

Oct 23, 2026Price Completion0.04 → 0.05

Oct 22, 2026Price Completion0.05 → 0.04

Oct 22, 2026Price Completion0.04 → 0.05

Oct 22, 2026Price Completion0.05 → 0.04

Oct 22, 2026Price Completion0.04 → 0.05

Oct 21, 2026Price Completion0.05 → 0.04

Oct 21, 2026Price Completion0.04 → 0.05

Provenance

Sources & verification

Every figure on this page traces back to one of these records.

Methodology

Last verified: Oct 24, 2026
Status: Source-linked
Confidence: Medium
Catalog source: Models.dev

Models.devcatalog ↗Nvidia documentationprovider documentation ↗Kilo Gateway documentationprovider documentation ↗Novita AI documentationprovider documentation ↗Inference documentationprovider documentation ↗OpenRouter documentationprovider documentation ↗Hugging Face documentationprovider documentation ↗Cortecs documentationprovider documentation ↗Merge Gateway documentationprovider documentation ↗

Public API

Use this record

Fetch the complete source-linked model record. No key, no account, no rate-limited tier.

API documentation

Endpoint

GET https://modelbench.lol/api/v1/models/meta/llama-3.1-8b-instruct

curl

curl "https://modelbench.lol/api/v1/models/meta/llama-3.1-8b-instruct"

Common questions

Frequently asked questions

Answered directly from the stored record — nothing here is generated beyond the catalog's own fields.

What is Llama-3.1-8B-Instruct?

Compact open Llama model for lightweight chat, drafting, and self-hosting. It is published by Meta and catalogued here from Models.dev.

How much does Llama-3.1-8B-Instruct cost?

Listed input pricing starts at $0.02 per million tokens from Kilo Gateway, rising to $0.22 across 7 listed providers.

What is the context length of Llama-3.1-8B-Instruct?

Llama-3.1-8B-Instruct accepts up to 128K tokens of context and returns up to 4.096K output tokens.

Does Llama-3.1-8B-Instruct support tool calling and structured output?

Provider catalogs list support for tool calling, and structured output.

Which providers serve Llama-3.1-8B-Instruct?

8 providers list this model: Nvidia, Kilo Gateway, Novita AI, Inference, OpenRouter, Hugging Face and 2 more.

Are the weights for Llama-3.1-8B-Instruct open?

Yes. The weights are published and downloadable from Hugging Face.

When was Llama-3.1-8B-Instruct released?

The catalog records a release date of 2024-07-23, last verified Oct 24, 2026.

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