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Free MiniMax M3 API

Updated 8/25/2026

1M MSA sparse-attention context, SWE-bench Pro 59.0% frontier coding & agentic reasoning model. 100% free for 14 days.

About the Model

Why Choose MiniMax M3?

MiniMax M3 is MiniMax's flagship coding and reasoning model engineered for long-horizon autonomous agents, full-repository refactoring, and complex logical tasks. On SWE-bench Pro, it scores 59.0%, closely approaching Kimi K3 and outperforming DeepSeek V4.

Core Strengths & Key Features

  • 1 Million Token MSA Sparse Attention: Ingests hundreds of thousands of lines of codebase context with low latency and minimal compute overhead.
  • Top-Tier Agentic Coding: Native tool calling and multi-step self-correction, scoring 66.0% on Terminal-Bench 2.1.
  • Multimodal Troubleshooting: Understands screenshots, architecture diagrams, and UI recordings to generate immediate fixes.
  • 100% Free for 14 Days: Available with zero fee on GMI Cloud during MiniMax Week (no credit card or deposit needed).

Try it in your browser

Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.

Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.

How to call MiniMax M3

curl
curl https://api.gmi-serving.com/v1/chat/completions \
  -H "Authorization: Bearer $GMI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax-m3",
    "messages": [
      {"role": "user", "content": "请分析基于分布式 Raft 协议的选主逻辑并给出优化方案。"}
    ],
    "temperature": 0.2
  }'
python
from openai import OpenAI
import os

client = OpenAI(
    base_url="https://api.gmi-serving.com/v1",
    api_key=os.environ.get("GMI_API_KEY"),
)

response = client.chat.completions.create(
    model="minimax-m3",
    messages=[
        {"role": "system", "content": "You are an expert full-stack engineer."},
        {"role": "user", "content": "请分析工程架构瓶颈并生成重构后的 TypeScript 代码。"}
    ],
    temperature=0.3,
    stream=True,
)

for chunk in response:
    content = chunk.choices[0].delta.content
    if content:
        print(content, end="", flush=True)

Provider Details

The following platforms provide free access to MiniMax M3 through free tiers, trial credits, or daily quotas.

ProviderContext WindowFree QuotaRequires CCRatingAction
GMI Cloud1049KUnlimitedNo
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Details

Frequently Asked Questions

Is MiniMax M3 free to use?

Yes. MiniMax M3 is available for free through 1 provider(s) listed below, with no purchase required.

What are the rate limits and quotas?

Free access varies by provider — GMI Cloud: Unlimited.

How do I get a free MiniMax M3 API key?

Sign up with GMI Cloud, then create an API key from your dashboard. See the provider details above for the exact steps.

Which providers offer MiniMax M3 for free?

MiniMax M3 is currently available for free via: GMI Cloud.

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