Meta's latest class of model (Llama 3.1) launched with a variety of sizes & flavors. This 8B instruct-tuned version is fast and efficient. It has demonstrated strong performance compared to...
Model details →meta-llama/Llama-3.1-8B-Instruct vs Body Builder (beta)
meta-llama/Llama-3.1-8B-Instruct and Body Builder (beta) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
Transform your natural language requests into structured OpenRouter API request objects. Describe what you want to accomplish with AI models, and Body Builder will construct the appropriate API calls. Example:...
Model details →Side-by-side comparison
| Capability | meta-llama/Llama-3.1-8B-Instruct | Body Builder (beta) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 128K | 🏆 meta-llama/Llama-3.1-8B-Instruct |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.05 | $-1000000.00 | 🏆 Body Builder (beta) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.08 | $-1000000.00 | 🏆 Body Builder (beta) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 meta-llama/Llama-3.1-8B-Instruct |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is meta-llama/Llama-3.1-8B-Instruct better than Body Builder (beta)?
meta-llama/Llama-3.1-8B-Instruct and Body Builder (beta) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between meta-llama/Llama-3.1-8B-Instruct and Body Builder (beta)?
Input: $0.05 vs $-1000000.00 per 1M tokens. Output: $0.08 vs $-1000000.00 per 1M tokens.
What context windows do meta-llama/Llama-3.1-8B-Instruct and Body Builder (beta) support?
meta-llama/Llama-3.1-8B-Instruct supports up to 131K tokens. Body Builder (beta) supports up to 128K tokens.
Do both meta-llama/Llama-3.1-8B-Instruct and Body Builder (beta) support tool calling?
meta-llama/Llama-3.1-8B-Instruct: yes. Body Builder (beta): not advertised.