MiniMax M3.1 Flash API

MiniMax's MiniMax M3.1 Flash, through an OpenAI-compatible API. 2 providers quote it now, and each request goes to the offer with the lowest estimated charge that meets your rules.

Providers compete for each request. The exchange ranks the offers that meet your rules by estimated charge. It fixes your maximum charge before the first token, and you pay for the tokens that the model uses.
The OpenAI and Anthropic APIs. Use the OpenAI or Anthropic SDK that you have. Set the base URL and your key, and send MiniMax-M3.1-Flash as the model.
Your data rules. Send x-liquid-retention: none and only offers whose provider does not keep your content compete for the request.

Facts

Model name: MiniMax-M3.1-Flash
Maker: MiniMax
Context window: 1M tokens
Input price: $0.150 to $0.300 per million tokens
Output price: $0.600 to $1.200 per million tokens
Providers: 2 independent providers
Regions: eu, global

Providers

MarsCompute: global, $0.150 input and $0.600 output per million tokens, $0.150 cache read per million tokens, 1M tokens of context
TensorX: eu, $0.300 input and $1.200 output per million tokens, $0.075 cache read per million tokens, 1M tokens of context

Scores

Intelligence: 29.1, #20 of 41
HLE: 48.0, #14 of 273
AA-LCR: 79.7, #47 of 237
SciCode: 53.4, #38 of 123
SimpleQA Verified: 42.9, #46 of 126

Scores: Artificial Analysis (https://artificialanalysis.ai/)

Scores: Epoch AI, 'Capabilities & Benchmarking' (https://epoch.ai/benchmarks)

Request

curl https://router.inference.ai.exchange/v1/chat/completions \
  -H "Authorization: Bearer $LIQUID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "MiniMax-M3.1-Flash",
    "messages": [{"role":"user","content":"Say hello."}]
  }'

Questions

What is MiniMax M3.1 Flash?: MiniMax M3.1 Flash is a model from MiniMax.
How much does MiniMax M3.1 Flash cost?: Offers now ask $0.150 to $0.300 per million input tokens and $0.600 to $1.200 per million output tokens. A job pays for the tokens it uses. The exchange picks the cheapest eligible offer.
What is the context length of MiniMax M3.1 Flash?: The largest offer takes 1,048,576 input tokens. One job can generate up to 64,000 tokens. A smaller offer can take less. The exchange skips an offer that cannot take your message.
What can MiniMax M3.1 Flash do?: Its providers list Vision, Reasoning effort, JSON object, JSON schema, Frequency penalty, Min-p sampling, Presence penalty, Repetition penalty, Seed, Stop sequences, Top-k sampling, Top-p sampling, Text, Tools.
What inputs and outputs does MiniMax M3.1 Flash support?: Text · Images → Text.
Which providers serve MiniMax M3.1 Flash?: 2 independent providers quote it now, with 2 offers. The table above ranks them by the cost of a typical job.
How do I call MiniMax M3.1 Flash?: Send "MiniMax-M3.1-Flash" as the model in an OpenAI or Anthropic request. The API section links to setup steps for each client.
When was MiniMax M3.1 Flash listed?: The exchange first listed it on 10/22/2026. This is not its release date.