Llama 3.1 8B Instruct
Compact open Llama model for lightweight chat, drafting, and self-hosting
Model facts
- Context window
- 128K tokens
- Maximum output
- 4K tokens
- Cheapest paid input
- $0.22 per 1M tokens
- Cheapest paid output
- $0.22 per 1M tokens
- Open weights
- yes
- Providers
- 1
Capabilities and modalities
tool calling, temperature control, open weights, text.
Local hardware estimate
At 4K context: Q4_K_M 5.9 GiB, Q8_0 9.6 GiB, F16 16.6 GiB working memory.
- Parameters
- 8.0 billion
- Architecture
- llama
- Model license
- llama3.1
Planning estimate adapted from the MIT-licensed whichllm estimator using metadata from Hugging Face; not a vendor minimum requirement.
Observed price history
- 2026-08-24: $0.025 input / $0.025 output per 1M tokens
- 2026-09-09: $0.22 input / $0.22 output per 1M tokens
API providers
- Amazon Bedrock (US) — model id us.meta.llama3-1-8b-instruct-v1:0; $0.22 input / $0.22 output per 1M tokens; provider documentation