Identity
- Status
- active
- Developer ID
meta-llama/Llama-3.1-8B-Instruct- Released
- Jul 23, 2024
- Version
- Llama-3.1-8B-Instruct
- License
- llama3.1
MetaLlama 3.1 8B Instruct
Llama-3.1-8B-Instruct is an open-weight language model published by Meta.
- Token context
- 131K tokens
- Inputs
- Text
- Outputs
- Text
- Released
- Jul 23, 2024
Providers & Pricing
Estimate workload cost →| Provider | Input / 1M | Output / 1M | Cache read / 1M | Cache write / 1M | Observed | Evidence |
|---|---|---|---|---|---|---|
 OpenrouterAvailable | $0.050 | $0.080 | $0.025 | — | Oct 19, 2026 | Provider-reported |
Benchmarks
All benchmark results →| Berkeley Function Calling Leaderboardv4-ede5081a24bc | 25.83 | — | — | Llama-3.1-8B-Instruct (Prompt)unknown | Recomputedwinner eligible | Third-party benchmark |
| LMArena Text Arenatext-2026-10-15-a64ca3b12b6e | 1,186.54 | — | 49,605 | llama-3.1-8b-instruct; 95% CI [1182.43982822, 1190.63886318]; votes 49605; rank 327unknown | Original sourcewinner eligible | Third-party benchmark |
At a Glance
Model Facts
Capacity
- Token context
- 131K tokens
- Maximum output
- Unknown
- Total parameters
- 8B
- Active parameters
- Unknown
- Knowledge cutoff
- Not reported
Interface and Access
- Inputs
- Text
- Outputs
- Text
- API available
- Yes
- Open weights
- Yes
- Self-hostable
- Yes
- Reasoning
- No
- Vision
- No
- Tool calling
- Yes
- Capabilities
- chat, generation, tools
This page represents one developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesmeta-llama/Llama-3.1-8B-Instruct, meta-llama/Llama-3.1-8B-Instruct
Explicit Unknowns
- Maximum output
- Knowledge cutoff
Primary Evidence
Sources and Observation Date
meta-llama/Llama-3.1-8B-Instruct developer model repositoryMeta · observed Aug 28, 2026OpenRouter meta-llama/llama-3.1-8b-instruct model APIOpenRouter · observed Aug 28, 2026meta-llama/Llama-3.1-8B-Instruct Hugging Face inference-provider mappingHugging Face · observed Aug 28, 2026meta-llama/Llama-3.1-8B-Instruct immutable Hub API metadataMeta · observed Aug 28, 2026meta-llama/Llama-3.1-8B-Instruct README.md at 0e9e39f249a1Meta · observed Aug 28, 2026Hugging Face catalogHugging Face · observed Sep 2, 2026Openrouter catalogOpenrouter · observed Oct 19, 2026
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
| vs | family variantstext | ||
| vs |  Bolmo 7BAi2 | cross-developer peerstext | |
| vs | cross-developer peerstext | ||
| vs | cross-developer peerstext | ||
| vs | cross-developer peerstext | ||
| vs | cross-developer peerstext | ||
| vs | cross-developer peerstext | ||
| vs | cross-developer peerstext | ||
| vs | family variantstext | ||
| vs | Llama 3.1 8BMeta | family variantstext | |
| vs | family variantstext | ||
| vs |  Ministral 8B Instruct 2410Mistral AI | cross-developer peerstext |
Questions
Llama 3.1 8B Instruct FAQs
What is Llama 3.1 8B Instruct?+
Llama-3.1-8B-Instruct is an open-weight language model published by Meta. It is developed by Meta and its current sourced lifecycle status is active.
What inputs and outputs does Llama 3.1 8B Instruct support?+
Llama 3.1 8B Instruct's current record lists Text as input and Text as output.
How much context does Llama 3.1 8B Instruct support?+
The current record lists a 131K-token context window and does not report a maximum output length.
Is Llama 3.1 8B Instruct available through an API?+
Llama 3.1 8B Instruct is marked as API-available. The directly sourced provider records currently include Hugging Face and Openrouter.
How large is Llama 3.1 8B Instruct?+
The current record lists 8B total parameters and an unknown active parameter count. Its architecture is LlamaForCausalLM.
What capabilities and tasks does Llama 3.1 8B Instruct support?+
Llama 3.1 8B Instruct's recorded capabilities are chat, generation, and tools. Its supported tasks are text.
How much does Llama 3.1 8B Instruct cost through an API?+
The lowest directly sourced prices currently attached to Llama 3.1 8B Instruct are $0.050 per million input tokens through Openrouter and $0.080 per million output tokens through Openrouter. Prices are provider-specific and should be checked against each cited observation date.
Can Llama 3.1 8B Instruct be self-hosted?+
Llama 3.1 8B Instruct is an open-weight model. Self-hosting is supported, and the recorded license is llama3.1.
Does Llama 3.1 8B Instruct have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are meta-llama/Llama-3.1-8B-Instruct.
Which models can Llama 3.1 8B Instruct be compared with?+
The current compatible peer set includes Llama 4 Maverick 17B 128E Instruct, Bolmo 7B, Olmo 3 7B Instruct, Granite 4.1 3B, and Granite 4.1 8B. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →