MiniMax M3.1 Flash API

Model details

Context window

1.0M tokens

Max output

524K tokens

Input

Text, images

Output

Text

Capabilities

Reasoning, Vision, Tool calling, Streaming

Interfaces

OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses

Why teams pick it

• MiniMax M3.1 Flash for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.

Call MiniMax M3.1 Flash

MiniMax M3.1 Flash answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.

curl https://api.inferray.com/v1/chat/completions \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "minimax-m3.1-flash",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'

curl https://api.inferray.com/v1/messages \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "minimax-m3.1-flash",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'

curl https://api.inferray.com/v1/responses \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "minimax-m3.1-flash",
  "input": "Hello"
}'

Use MiniMax M3.1 Flash in your tools

Every coding agent below has a setup guide. Set the model to minimax-m3.1-flash.

• Claude Code
• Codex
• opencode
• Cline
• Roo Code
• Aider
• Continue

More from MiniMax

Alternatives to MiniMax M3.1 Flash

• DeepSeek V4.1 FlashReasoning and vision at a fraction of flagship prices.DeepSeek
• GPT-4o MiniGPT-4o Mini for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.OpenAI
• Mistral Small 4Mistral Small 4 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Mistral

Questions about this model

How much does the MiniMax M3.1 Flash API cost?

MiniMax M3.1 Flash costs $0.15 per 1M input tokens and $0.6 per 1M output tokens on Inferray, and cached input is $0.015 per 1M. That is the list price, with no gateway fee on top.

Is there a free tier for MiniMax M3.1 Flash?

No. You add credit and pay MiniMax M3.1 Flash's list rate for each request — seats, projects, and API keys are free, and pay-as-you-go credit never expires.

Am I charged for failed requests?

No. A request that fails without returning a result is not billed. If a response fails part-way, the tokens already processed before the failure are charged.

Is MiniMax M3.1 Flash included in Token Plans?

No. MiniMax M3.1 Flash is pay-as-you-go only; Token Plans cover the other text models in the catalog.

Can I use MiniMax M3.1 Flash in Claude Code?

Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to minimax-m3.1-flash. The same key works in Codex, opencode, Cline, and other agents.

Does MiniMax M3.1 Flash support tool calling and vision?

MiniMax M3.1 Flash supports tool calling, image input, reasoning and streaming on Inferray.

Is it the real MiniMax M3.1 Flash?

Yes. A request for minimax-m3.1-flash is answered by MiniMax M3.1 Flash from MiniMax, billed at its published list price. Inferray never substitutes a different or smaller model.