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MiniMaxText generation

MiniMax M3.1 Flash — Think with more context

MiniMax M3.1 Flash is a reasoning model for text, image and video input. Work through documents, explain screenshots and continue tool conversations in one place.

Available$0.09 / 1M input · $0.36 / 1M output$0.30 / 1M input · $1.20 / 1M output-70%
  • Text, images and video
  • Always-on reasoning
  • Function tools
  • Automatic caching
Context window
1,000,000 tokens
Maximum output
524,288 tokens
Reasoning effort
5 levels
API formats
Chat · Messages · Responses

Try MiniMax M3.1 Flash

Ask MiniMax M3.1 Flash a question. Inspect the request fields, or paste a complete conversation as JSON.

MiniMax M3.1 Flash request
MiniMax-M3.1-FlashMiniMax M3.1 Flash per 1M tokens: $0.09 input · $0.36 output. Longer-context rates may apply.

Blank fields are omitted. Use JSON for nested values.

MiniMax M3.1 Flash usage$0.000000

Uses returned tokens and current rates; billing rounds the final amount.

Ready

Try MiniMax M3.1 Flash with a checkable task

Requests use your account credit.

MiniMax M3.1 Flash: a real response

MiniMax M3.1 Flash answered this arithmetic and translation check on October 20, 2026.

Please answer both questions briefly: 1. What is 17 multiplied by 23? 2. Translate 我们已经完成测试 into English.

1. 17 × 23 = 391 2. “我们已经完成测试” = “We have completed the tests.”

This single response used 231 input tokens, including 195 cached tokens, and 74 output tokens. It is an observed example, not a quality benchmark.

MiniMax M3.1 Flash pricing

MiniMax M3.1 Flash charges by input, output and cache usage. These rates come from the same current price settings used for billing.

A MiniMax M3.1 Flash request2,000 input + 1,000 output tokens
$0.0005illustrative cost
A planning estimate, not a fixed price per answer.
What $20.00 coversOutput only, shorter-context rate
55,555,555output tokens
Input and cached tokens are billed separately.

The full input, including cache, chooses the price band for the whole request. Reasoning counts toward output. Example costs exclude cache savings.

Category≤ 512,000 input tokensPrice · 1M tokens> 512,000 input tokensPrice · 1M tokens
Input$0.09$0.18
Output, including reasoning$0.36$0.72
Cached input$0.018$0.036
Cache write$0.09$0.18

Total input includes cache reads and writes. The selected tier applies to every token category in the request. Examples use the standard tier.

What is MiniMax M3.1 Flash?

MiniMax M3.1 Flash reads text, images and video, then returns text or function calls. Its million-token context can hold lengthy source material alongside instructions and conversation history.

MiniMax M3.1 Flash always reasons before answering. Choose the effort level for your task, leave enough output budget for the answer, and check important conclusions against the original material.

MiniMax M3.1 Flash produces text; it does not generate images, video or audio.

Model ID
MiniMax-M3.1-Flash
Input
Text · image · video
Output
Text · function calls
Reasoning
Always enabled
Prompt caching
Automatic

Use MiniMax M3.1 Flash your way

Keep a familiar request format while testing your own workload.

For your application

Connect MiniMax M3.1 Flash

Backend services and development tools

Send your messages with a server-side key. Inspect the answer and usage before adding the model to a larger workflow.

  1. 1Create an API key.
  2. 2Copy a request from the docs.
  3. 3Check the result with your own data.
For your coding assistant

Build with MiniMax M3.1 Flash

A working first integration

Give your assistant the connection instructions. Review the request and estimated cost before it runs a paid test.

  1. 1Copy the setup instructions.
  2. 2Keep your key in an environment variable.
  3. 3Review before running.

What MiniMax M3.1 Flash can do

Bring the source material and a concrete question.

Read longer material

Ask MiniMax M3.1 Flash to compare sections of a report or trace a decision through meeting notes. Request quotes so you can verify the answer.

Explain visual evidence

Give MiniMax M3.1 Flash a screenshot or short clip alongside your question. Describe the detail you need instead of asking for an open-ended summary.

Continue a tool workflow

MiniMax M3.1 Flash can request a function call. Your application runs the function and returns its result; you remain in control of external actions.

Put MiniMax M3.1 Flash to work

Review a code change

Give MiniMax M3.1 Flash the relevant code, expected behavior and failing example. Ask for an explanation and a change you can test.

Draft a grounded reply

Use MiniMax M3.1 Flash with your support notes and product instructions. Check names, commitments and policy details before sending the draft.

Compare source documents

Have MiniMax M3.1 Flash separate agreements, contradictions and unanswered questions. Keep citations close to each claim so a reviewer can follow them.

Start with MiniMax M3.1 Flash

  1. 01

    Add credit

    Create an account and add the amount you need. Your credit does not expire.

  2. 02

    Choose a format

    Use Chat Completions, Messages or Responses with the exact MiniMax-M3.1-Flash model ID.

  3. 03

    Try a small task

    Give MiniMax M3.1 Flash a question with an answer you can check. Set an output budget that allows for reasoning.

  4. 04

    Inspect and continue

    Review the MiniMax M3.1 Flash output and usage. Preserve the complete assistant and tool history when continuing the conversation in your own application.

Get your API key

MiniMax M3.1 Flash at a glance

Choose MiniMax M3.1 Flash by the inputs and controls your task needs.

Context
1,000,000 tokens
Visual input
Images and video
Thinking control
Five effort levels; cannot be disabled
Function execution
Run by your application

These are documented model limits, not measured throughput or a promise of accuracy.

Before using MiniMax M3.1 Flash

Leave room for the answer

MiniMax M3.1 Flash shares its output budget between reasoning and answer text. A very small limit can end before any answer appears.

MiniMax M3.1 Flash input limits

Images can be up to 10 MB; URL or inline video can be up to 50 MB. The docs list supported formats and complete constraints.

MiniMax M3.1 Flash on SeedRouter

See the rates here

Compare MiniMax M3.1 Flash input, output and cache rates before you send a request. The pricing table updates from current billing settings.

Pay for usage

Use MiniMax M3.1 Flash from a prepaid balance. There is no monthly subscription, and failed requests are not charged.

Keep conversation history

Preserve MiniMax M3.1 Flash reasoning and tool-call fields when continuing. Removing them can change the context available for the next answer.

Verify your task

Test MiniMax M3.1 Flash on examples you know before relying on it. Review generated code and factual claims with appropriate checks.

Compare MiniMax M3.1 Flash with other models

See live prices and task-specific controls before choosing.

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MiniMax M3.1 Flash questions

What is MiniMax M3.1 Flash?+

MiniMax M3.1 Flash is a reasoning model that accepts text, images and video. It returns text or function calls, with a context window of one million tokens.

Is MiniMax M3.1 Flash free on SeedRouter?+

No. MiniMax M3.1 Flash uses prepaid credit at the rates above. You pay for token usage without a subscription. Failed requests are not charged.

Can MiniMax M3.1 Flash turn thinking off?+

No. MiniMax M3.1 Flash always reasons. The five effort settings range from low to max; max is the documented default. Reasoning tokens count toward the output budget.

Does MiniMax M3.1 Flash make videos?+

No. MiniMax M3.1 Flash can analyze video input and answer in text. For video generation, choose a video model from the model catalogue.

How does MiniMax M3.1 Flash caching work?+

MiniMax M3.1 Flash automatically checks eligible repeated prefixes of at least 512 tokens. A cache hit is not guaranteed. Inspect the returned usage to see what was cached.

How much does MiniMax M3.1 Flash cost?+

MiniMax M3.1 Flash currently starts at $0.09 / 1M input and $0.36 / 1M output. The longer-context band applies to the whole request when total input exceeds 512,000 tokens.

Try MiniMax M3.1 Flash on your own task

Give MiniMax M3.1 Flash a question you can verify. Review the answer and usage.