Model comparison

Gemini 3.1 Pro Preview vs Llama 3.3 70B Instruct

Pricing, context window and real answers (September 2026)

Gemini 3.1 Pro Preview (Google) and Llama 3.3 70B Instruct (Meta), compared as you can actually call them on FastMetal. Both are served from the same OpenAI-compatible endpoint and API key; switching is a change to the model string.

Specs and pricing

google logoGemini 3.1 Pro Previewmeta-llama logoLlama 3.3 70B Instruct
ProviderGoogleMeta
Input (per 1M tokens)¥357.4¥17.87
Output (per 1M tokens)¥2,144.4¥57.18
Typical cost (1,000 in + 500 out tokens × 1,000 calls)¥1,430¥46
Context window1,048,576 tokens131,072 tokens
Release date2/19/202612/6/2024
Input modalitiesaudio, file, image, text, videotext
Throughput (p50)
Arena · overall#15 · ELO 1,487#250 · ELO 1,318
Arena · Japanese#9 · ELO 1,494#210 · ELO 1,212
Arena · coding#28 · ELO 1,520#263 · ELO 1,346

Prices are FastMetal's yen rates before tax. Arena ranks are as of the latest leaderboard scrape.

Which should you pick?

  • On price, Llama 3.3 70B Instruct: ¥57.18 per 1M output tokens, 97% less than Gemini 3.1 Pro Preview.
  • On the Overall arena board, Gemini 3.1 Pro Preview ranks higher (#15; Llama 3.3 70B Instruct is #250).
  • On the Japanese arena board, Gemini 3.1 Pro Preview ranks higher (#9; Llama 3.3 70B Instruct is #210).
  • On the Coding arena board, Gemini 3.1 Pro Preview ranks higher (#28; Llama 3.3 70B Instruct is #263).
  • For long documents, Gemini 3.1 Pro Preview: a 1,048,576-token context window against 131,072 for Llama 3.3 70B Instruct.
  • If in doubt, try both on the same key. Switching is a change to the model string, and each is billed at its own rate.

Real answers to the same prompts

Exactly what the FastMetal gateway returned, side by side. Not benchmark scores: actual output.

Count the number of 'r's in 'strawberry'

Count the number of 'r's in 'strawberry'. Explain your reasoning step by step.

Gemini 3.1 Pro Preview

There are **3** 'r's in the word 'strawberry'. Here is the step-by-step breakdown of the spelling: 1. **s** - not an 'r' 2. **t** - not an 'r' 3. **r** - **1st 'r'** 4. **a** - not an 'r' 5. **w** - not an 'r' 6. **b** - not an 'r' 7. **e** - not an 'r' 8. **r** - **2nd 'r'** 9. **r** - **3rd 'r'** 10. **y** - not an 'r' Therefore, the total count is 3.
5.3s503 output tokens

Llama 3.3 70B Instruct

To count the number of 'r's in 'strawberry', I'll break down the word into its individual letters and then examine each one to identify the 'r's. Here are the steps: 1. **Write down the word 'strawberry' with its individual letters separated**: s-t-r-a-w-b-e-r-r-y 2. **Examine each letter to find the 'r's**: Going through the word letter by letter, I identify the 'r's. - The first 'r' appears after 't', so that's one 'r'. - Continuing through the word, I find another 'r' after 'e', which gives me a second 'r'. - Then, immediately after this second 'r', I find a third 'r'. 3. **Count the total number of 'r's identified**: From the step above, I've identified a total of 3 'r's in th…
12.6s217 output tokens

Debug This Error

I'm getting the following error in my Node.js application: TypeError: Cannot read properties of undefined (reading 'map') at UserList (/app/components/UserList.js:12:25) at renderWithHooks (/app/node_modules/rea…

Gemini 3.1 Pro Preview

### The Cause This error occurs because the `users` prop being passed to your `UserList` component is currently `undefined`. In JavaScript, you can only use the `.map()` method on arrays. Because `users` is `undefined` (often due to data not finishing an API fetch yet, or the parent component forgetting to pass the prop), Node/React throws an error when it tries to read `.map`. ### How to Fix It You can fix this in a few different ways, depending on how you want your application to behave. #### Fix 1: Assign a Default Value (Recommended) The cleanest way to handle this is to assign a default empty array to `users` in your component's parameters. If `users` is undefined, it defaults to…
13.2s1511 output tokens

Llama 3.3 70B Instruct

# Step-by-step analysis of the problem: 1. **The error is occurring because the `map()` function is being called on `undefined`**: This means that the `users` prop is not being passed to the `UserList` component, or its value is `undefined`. 2. **The `map()` function is a method of arrays**: It is used to iterate over the elements of an array and apply a transformation to each element. If `users` is not an array (i.e., it's `undefined`), this method will not be available, hence the error. 3. **To fix this error, you need to ensure that `users` is always an array**: You can achieve this by adding a conditional statement to check if `users` is an array before calling `map()` on it. # Fixed so…
28.4s560 output tokens

Code Review

Please review the following Python function and suggest improvements for readability, performance, and best practices: def get_data(url, retries=3): import requests import time for i in range(retries):…

Gemini 3.1 Pro Preview

Here is a review of your function. While the original code works, there are several areas where it can be improved regarding **best practices**, **readability**, and **performance**. ### 1. Refactored Code Here is the improved version of your function. I will explain the specific changes below. ```python import time import requests import logging from typing import Any # Optional: Set up a logger logger = logging.getLogger(__name__) def get_data(url: str, retries: int = 3, delay: int = 2, timeout: int = 10) -> list[dict[str, Any]]: """ Fetches JSON data from a URL and extracts active items. Args: url: The API endpoint to fetch data from. retries: Number o…
23.6s3094 output tokens

Llama 3.3 70B Instruct

### Review and Suggestions The provided Python function `get_data` appears to be designed to fetch data from a given URL, filter active items, and return the filtered results. Here's a review of the function focusing on readability, performance, and best practices, along with suggestions for improvement. #### Issues and Improvements: 1. **Import Statements**: Import statements should be placed at the top of the file, not inside the function. This adheres to PEP 8, the official Python style guide. 2. **Exception Handling**: The `except` block is too broad. It's better to catch specific exceptions that you anticipate might occur. For example, `requests.get` might raise `requests.RequestExc…
40.3s815 output tokens

Compare on more prompts →

Frequently asked questions

Which is cheaper, Gemini 3.1 Pro Preview or Llama 3.3 70B Instruct?
Per 1M output tokens, Gemini 3.1 Pro Preview is ¥2,144.4 and Llama 3.3 70B Instruct is ¥57.18 on FastMetal (yen, before tax), so Llama 3.3 70B Instruct is cheaper.
How do the context windows of Gemini 3.1 Pro Preview and Llama 3.3 70B Instruct compare?
Gemini 3.1 Pro Preview takes 1,048,576 tokens; Llama 3.3 70B Instruct takes 131,072.
Which ranks higher, Gemini 3.1 Pro Preview or Llama 3.3 70B Instruct?
Gemini 3.1 Pro Preview ranks higher on the public arena (Gemini 3.1 Pro Preview #9, Llama 3.3 70B Instruct #210). Ranks move as the leaderboard updates.
Can I use Gemini 3.1 Pro Preview and Llama 3.3 70B Instruct with the same API key?
Yes. On FastMetal's OpenAI-compatible endpoint, switch by passing "gemini-3.1-pro-preview" or "llama-3.3-70b-instruct" as the model. Each is billed at its own rate from the same prepaid balance.

Try both on one API key

Create an account and add credit to call Gemini 3.1 Pro Preview and Llama 3.3 70B Instruct from the browser chat and the API. No monthly fee.

More comparisons with Gemini 3.1 Pro Preview

More comparisons with Llama 3.3 70B Instruct