Llama 3.1 8B
LegacyAffordableRun locallyCompact 8B model from Meta's Llama 3.1 series.
Fast and efficient for on-device and embedded use cases. Superseded by Llama 3.2 and Llama 4 Scout.
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Llama 3.1 8B by Meta has a Capability Index of 50.3, making it below the field average in capability. It ranks #76 out of 92 models on the idapt capability leaderboard. Llama 3.1 8B is somewhat expensive at $0.05/M tokens input and $0.08/M tokens output. Cached input reads are priced at $0.02/M tokens, making repeated context cheaper. The model supports a 131K context window.
Benchmarks
Category Rankings
Specifications
Performance
Providers
Run locally
Run Llama 3.1 8B on your own computer with the Local AI Engine for free, with no rate limits and no third-party AI provider involved. idapt installs it and routes chat to your hardware automatically.
ollama pull llama3.1:8b-instruct-q4_K_M
Misc
Compare with
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Grok 4.5vs Llama 3.1 8BGrok Build 0.1vs Llama 3.1 8BGrok 4.1 Fastvs Llama 3.1 8B
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DeepSeek V4 Provs Llama 3.1 8BDeepSeek V4 Flashvs Llama 3.1 8B
MiniMax M3vs Llama 3.1 8B
GLM 5.2vs Llama 3.1 8B
Qwen3.7 Maxvs Llama 3.1 8BQwen3.7 Plusvs Llama 3.1 8BQwen3 Coder Nextvs Llama 3.1 8B
Nemotron 3 Ultravs Llama 3.1 8B
Mistral Small 4vs Llama 3.1 8BFrequently Asked Questions about Llama 3.1 8B▼
When was Llama 3.1 8B released?
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Llama 3.1 8B was released on July 23, 2024.
Who created Llama 3.1 8B?
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Llama 3.1 8B was created by Meta.
How capable is Llama 3.1 8B?
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Llama 3.1 8B has a Capability Index of 50.3/100, making it below the field average in capability. It ranks #76 out of 92 models.
How much does Llama 3.1 8B cost?
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Llama 3.1 8B costs $0.05/M input tokens and $0.08/M output tokens.
What is Llama 3.1 8B API pricing?
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The Llama 3.1 8B API is priced at $0.05 per million input tokens and $0.08 per million output tokens. You can access Llama 3.1 8B through idapt.app alongside 200+ other AI models in one workspace.
Is Llama 3.1 8B a reasoning model?
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No, Llama 3.1 8B is not a reasoning model. It responds directly without an extended internal thinking step. For tasks requiring deep chain-of-thought reasoning, consider models like Claude, o-series from OpenAI, or Gemini Thinking.
Does Llama 3.1 8B support image or vision input?
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No, Llama 3.1 8B does not currently support image or vision input. It is a text-only model.
Does Llama 3.1 8B support audio?
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No, Llama 3.1 8B does not support audio input.
What is the context window of Llama 3.1 8B?
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Llama 3.1 8B has a context window of 131K tokens, meaning it can process approximately 98,304 words of context at once.
Is Llama 3.1 8B open source?
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Llama 3.1 8B is a proprietary model developed by Meta. The model weights and training data are not publicly available.
Where can I use Llama 3.1 8B?
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You can chat with Llama 3.1 8B on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access Llama 3.1 8B through Meta's own API or platform.