Model comparison

LLM-jp-3.1 8x13B instruct4 vs MiniMax M2.7

Pricing, context window and real answers (August 2026)

LLM-jp-3.1 8x13B instruct4 (Llm Jp) and MiniMax M2.7 (MiniMax), 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

LLM-jp-3.1 8x13B instruct4minimax logoMiniMax M2.7
ProviderLlm JpMiniMax
Input (per 1M tokens)¥16¥53.61
Output (per 1M tokens)¥79¥214.44
Typical cost (1,000 in + 500 out tokens × 1,000 calls)¥56¥161
Context window4,096 tokens204,800 tokens
Release date3/21/20263/18/2026
Input modalitiestexttext
Arena · overallUnranked#121 · ELO 1,417
Arena · JapaneseUnranked#166 · ELO 1,278
Arena · codingUnranked#94 · ELO 1,481

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

Which should you pick?

  • On price, LLM-jp-3.1 8x13B instruct4: ¥79 per 1M output tokens, 63% less than MiniMax M2.7.
  • For long documents, MiniMax M2.7: a 204,800-token context window against 4,096 for LLM-jp-3.1 8x13B instruct4.
  • 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.

LLM-jp-3.1 8x13B instruct4

To count the number of 'r's in the word 'strawberry', follow these steps: 1. Identify the word: The word we are examining is 'strawberry'. 2. Understand the task: We need to find and count all occurrences of the letter 'r' in this word. 3. Begin with the first letter: The first letter is 's', which is not 'r', so we move on to the next letter. 4. Proceed to the second letter: The second letter is 't', which is also not 'r', so we continue to the third letter. 5. Reach the third letter: The third letter is 'r'. We have found one 'r'. 6. Continue to the fourth letter: The fourth letter is 'a', which is not 'r', so we move on to the fifth letter. 7. Examine the fifth letter: The fifth letter i…
4.0s400 output tokens

MiniMax M2.7

**Step‑by‑step counting** 1. Write the word **strawberry** as a sequence of its letters: `s‑t‑r‑a‑w‑b‑e‑r‑r‑y` 2. Go through each letter and check whether it is the letter **r** (case‑insensitive). | Position | Letter | Is it “r”? | |----------|--------|------------| | 1 | s | No | | 2 | t | No | | 3 | **r** | Yes → count = 1 | | 4 | a | No | | 5 | w | No | | 6 | b | No | | 7 | e | No | | 8 | **r** | Yes → count = 2 | | 9 | **r** | Yes → count = 3 | | 10 | y | No | 3. After checking all ten positions, the total number of times the letter **…
11.1s475 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…

LLM-jp-3.1 8x13B instruct4

The error TypeError: Cannot read properties of undefined (reading 'map') suggests that the 'users' argument passed to the UserList component is undefined or does not have a 'map' method. The cause of the problem may be that the users variable is not being passed correctly or is not defined in the parent component. Check the props being passed to the UserList component to ensure that they are defined and contain the expected data. To fix the issue, you can add some error handling and debugging to your component. Try logging the users variable to the console to verify that it is not undefined: ```jsx function UserList({ users }) { console.log("Users:", users); if (!users) { return <…
3.0s279 output tokens

MiniMax M2.7

# Fixing the "Cannot read properties of undefined" Error ## The Problem The error occurs because `users` is `undefined` when the component renders. The `.map()` method can't be called on `undefined`. This typically happens when: - The parent component doesn't pass the `users` prop - The data is still loading/fetching - The initial state is `undefined` instead of an empty array --- ## Solutions ### 1. Add a Default Parameter (Recommended) ```javascript function UserList({ users = [] }) { return ( <ul> {users.map(user => <li key={user.id}>{user.name}</li>)} </ul> ); } ``` ### 2. Use Optional Chaining ```javascript function UserList({ users }) { return ( <ul>…
14.2s695 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):…

LLM-jp-3.1 8x13B instruct4

The provided Python function aims to get data from a URL using the requests library, filter out specific items based on their "active" field, and return the result. Here are some suggestions to improve readability, performance, and adherence to best practices: 1. Configure the linter (e.g., flake8 or pylint) to ensure code quality and enforce a consistent coding style. 2. Use type hints to improve readability and maintainability. 3. Use context managers (with statement) for handling requests: 4. Rewrite the function using a more functional programming style: Here's the improved version of the function: ```python import requests import time from typing import List, Dict, Any def get_da…
3.9s406 output tokens

MiniMax M2.7

# Code Review: `get_data` Function ## Issues Identified ### 1. **Critical Issues** ```python # ❌ Bare except clause - catches everything including KeyboardInterrupt except: time.sleep(2) ``` ```python # ❌ Comparing to True - redundant comparison if item["active"] == True: ``` ```python # ❌ No JSON error handling - r.json() can raise ValueError data = r.json() ``` ### 2. **Code Quality Issues** | Issue | Location | Problem | |-------|----------|---------| | Imports inside function | Line 2-3 | Should be at module level | | Magic numbers | `timeout=10`, `sleep(2)` | Not descriptive | | No docstring | Function | No documentation | | No type hints | Function signature | Missing type safet…
31.7s1690 output tokens

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Frequently asked questions

Which is cheaper, LLM-jp-3.1 8x13B instruct4 or MiniMax M2.7?
Per 1M output tokens, LLM-jp-3.1 8x13B instruct4 is ¥79 and MiniMax M2.7 is ¥214.44 on FastMetal (yen, before tax), so LLM-jp-3.1 8x13B instruct4 is cheaper.
How do the context windows of LLM-jp-3.1 8x13B instruct4 and MiniMax M2.7 compare?
LLM-jp-3.1 8x13B instruct4 takes 4,096 tokens; MiniMax M2.7 takes 204,800.
Can I use LLM-jp-3.1 8x13B instruct4 and MiniMax M2.7 with the same API key?
Yes. On FastMetal's OpenAI-compatible endpoint, switch by passing "llm-jp-3.1-8x13b-instruct4" or "minimax-m2.7" 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 LLM-jp-3.1 8x13B instruct4 and MiniMax M2.7 from the browser chat and the API. No monthly fee.

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