Meta: Llama 3.1 8B Instruct
Meta's Llama 3.1 8B Instruct is designed for handling text inputs within extensive contexts of up to 131,072 tokens; it supports integration with external tools but lacks advanced reasoning and structured output capabilities. This model stands out with its ability to process large amounts of text data efficiently. For those seeking a reliable tool that can manage substantial text volumes at a relatively affordable cost-given the price points of $0.05 per million input tokens and $0.08 per million output tokens-Llama 3.1 8B Instruct is worth considering, especially with its blended benchmark score of 8.2 across two independent assessments.
Benchmark results
Independent, published benchmarks. Blended score 8.2 across 2 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 12.2 |
| AI Index Coding | software engineering tasks | 8.9 |
- Model ID
- meta-llama/llama-3.1-8b-instruct
- Vendor
- meta-llama
- Released
- July 2024
- Tokenizer
- Llama3
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 131,072 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- not supported
- Vision
- text only
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $0.05/M input and $0.08/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | under $0.01 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.03 |
| A month of a busy support chatbot | 5M in / 2M out | $0.41 |
Similar models
Meta: Llama 3.3 70B Instruct
Meta: Llama 3.1 70B Instruct
Meta: Llama Guard 4 12B
Meta: Llama 3.2 3B Instruct
Meta: Llama 4 Maverick
Meta: Llama 4 Scout
Quick answers
- How much does Meta: Llama 3.1 8B Instruct cost?
- $0.05 per million input tokens and $0.08 per million output tokens.
- What is Meta: Llama 3.1 8B Instruct's context window?
- 131,072 tokens, roughly 196 pages of text in a single request.
- Does Meta: Llama 3.1 8B Instruct support tool calling?
- It supports tool calling, structured output.
- Can Meta: Llama 3.1 8B Instruct process images?
- No, it is text-only on the input side.