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MiniMax M1

MiniMaxReleased Jun 17, 2025

MiniMax-M1 is a large-scale, open-weight reasoning model designed for extended context and high-efficiency inference. It leverages a hybrid Mixture-of-Experts (MoE) architecture paired with a custom "lightning attention" mechanism, allowing it...

Try in playground
Context window
1M tokens
Max output
40K tokens
Input
text
Output
text
Tokenizer
Other
Knowledge cutoff
Jun 30, 2024
Released
Jun 17, 2025
Reasoning
optional

Pricing

Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.

Per 1M tokensProvider+ 3% feeYou pay
Input$0.400$0.012$0.412
Output$2.20$0.066$2.27

Supported parameters

  • frequency_penalty
  • include_reasoning
  • max_tokens
  • presence_penalty
  • reasoning
  • repetition_penalty
  • seed
  • stop
  • temperature
  • tool_choice
  • tools
  • top_k
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model minimax/minimax-m1.

Code sample language
curl https://api.openkey.ai/v1/chat/completions \
  -H "Authorization: Bearer $OPENKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax/minimax-m1",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.openkey.ai/v1",
    api_key=os.environ["OPENKEY_API_KEY"],
)

completion = client.chat.completions.create(
    model="minimax/minimax-m1",
    messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.openkey.ai/v1",
  apiKey: process.env.OPENKEY_API_KEY,
});

const completion = await client.chat.completions.create({
  model: "minimax/minimax-m1",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does MiniMax M1 cost via API?
Through OpenKey, MiniMax M1 costs $0.412 per 1M input tokens and $2.27 per 1M output tokens. That is the provider price ($0.400 / $2.20) plus a flat 3% fee — nothing else.
What is MiniMax M1's context window?
MiniMax M1 accepts up to 1M tokens of context and returns up to 40K tokens per request.
Is MiniMax M1 OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "minimax/minimax-m1" using any OpenAI SDK — only the base URL and API key change.
What inputs does MiniMax M1 support?
MiniMax M1 accepts text input and produces text output. Its knowledge cutoff is Jun 30, 2024.

More from MiniMax

All MiniMax models →