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MiniMax M3

MiniMaxReleased May 31, 2026

MiniMax-M3 is a multimodal foundation model from MiniMax. It supports text, image, and video inputs with text output, a 1M-token context window, and is suited for long-horizon agentic work, coding,...

Try in playground
Context window
1.0M tokens
Max output
512K tokens
Input
text, image, video
Output
text
Tokenizer
Other
Released
May 31, 2026
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$0.300$0.0090$0.309
Output$1.20$0.036$1.24
Cache read$0.060$0.0018$0.062

Benchmarks

Artificial Analysis

Intelligence index
44.4
Coding index
58.6
Agentic index
35.4

Design Arena

CategoryEloWin rateRank
androidnativeagents99020.6%#27
3Dmodels130656.8%#16
ASCII artmodels121949.3%#15
Codemodels130655.6%#13
Data vizmodels129557.1%#11
Game devmodels128751.5%#20
SVGmodels125055.4%#13
UI componentsmodels129153.4%#18
Websitesmodels130455.6%#11

Head-to-head preference voting. How we filter and rank

Supported parameters

  • frequency_penalty
  • include_reasoning
  • logit_bias
  • logprobs
  • max_tokens
  • min_p
  • presence_penalty
  • reasoning
  • repetition_penalty
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_k
  • top_logprobs
  • top_p

Call it

OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model minimax/minimax-m3.

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-m3",
    "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-m3",
    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-m3",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);

Questions

How much does MiniMax M3 cost via API?
Through OpenKey, MiniMax M3 costs $0.309 per 1M input tokens and $1.24 per 1M output tokens. That is the provider price ($0.300 / $1.20) plus a flat 3% fee — nothing else.
What is MiniMax M3's context window?
MiniMax M3 accepts up to 1.0M tokens of context and returns up to 512K tokens per request.
Is MiniMax M3 OpenAI-compatible?
Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "minimax/minimax-m3" using any OpenAI SDK — only the base URL and API key change.
What inputs does MiniMax M3 support?
MiniMax M3 accepts text, image, video input and produces text output.

More from MiniMax

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