MiniMax: MiniMax M3.1 Flash (free) Free API on OpenRouter

Free API Verified

Available from OpenRouter

★★★★★★★★★★ 3.5 Benchmark-backed score

MiniMax multimodal coding model for long-context reasoning and agent tasks

Free APIOpenAI compatibleReasoningTool callingTextImageVideo

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API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://openrouter.ai/api/v1

Model ID

minimax/minimax-m3.1-flash:free

API format OpenAI Chat Completions + OpenAI Responses

Technical Details

MiniMax: MiniMax M3.1 Flash (free) specifications

Provider catalog

Context window 1.0M

Max output 524K

Status Online

Family minimax

Released Oct 19, 2026

Last updated Oct 20, 2026

Free listing since Oct 19, 2026

Input text, image, video, reasoning

Output text

Capabilities reasoning, tool calling

Open weights Yes

AI Recommendation

Should you use MiniMax: MiniMax M3.1 Flash (free)?

MiniMax: MiniMax M3.1 Flash (free) is listed for chat workloads and supports a 1.0M context window.

Use it when OpenRouter's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Long context window
Reasoning mode listed
Tool calling support
Works with OpenAI-style SDKs

Watch outs

Free-tier rate limits apply

Benchmark Overview

Benchmark signals for MiniMax: MiniMax M3.1 Flash (free)

Measured data

Intelligence General reasoning and instruction following

42.7/100

Speed Observed generation speed

123 tok/s

Context Maximum listed context window

1.0M

Pricing

MiniMax: MiniMax M3.1 Flash (free) pricing per 1M tokens

Free tier listed

Input $0.15 per 1M tokens

Output $0.6 per 1M tokens

Access Available OpenRouter

Rate limit 200 req/day (free tier) provider policy

Availability

MiniMax: MiniMax M3.1 Flash (free) availability by provider

Current provider only

We only found this minimax listing on OpenRouter in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
OpenRouter	MiniMax: MiniMax M3.1 Flash (free)	Free tier	1.0M	OpenAI-style	200 req/day (free tier)

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Compare

MiniMax: MiniMax M3.1 Flash (free) alternatives to consider

Open comparison

Model	Provider	Context	Access
XingChen: Xing4.0 29B A4B (free)	OpenRouter	262K	Free tier
NVIDIA: Nemotron 3.5 Super VL (free)	OpenRouter	1.0M	Free tier
Dots Studio: Dots3-Note Preview (free)	OpenRouter	512K	Free tier
LiquidAI: LFM2.5-2.6B (free)	OpenRouter	66K	Free tier
NVIDIA: Nemotron 3.5 Lightning (free)	OpenRouter	1.0M	Free tier

Typical Use Cases

MiniMax: MiniMax M3.1 Flash (free) use cases

Chat

MiniMax: MiniMax M3.1 Flash (free) is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

MiniMax: MiniMax M3.1 Flash (free) free API FAQ

Is MiniMax: MiniMax M3.1 Flash (free) free to use?

MiniMax: MiniMax M3.1 Flash (free) is listed with free API access on OpenRouter, subject to the provider's quota and account policy.

What is the MiniMax: MiniMax M3.1 Flash (free) model ID?

The model ID shown in this catalog is minimax/minimax-m3.1-flash:free.

What are the MiniMax: MiniMax M3.1 Flash (free) free tier rate limits on OpenRouter?

The listed free tier limit is 200 req/day (free tier). Limits can change per account tier, so confirm against the provider dashboard.

What context window does MiniMax: MiniMax M3.1 Flash (free) support?

The listed context window is 1.0M tokens with up to 524K output tokens.

More about MiniMax: MiniMax M3.1 Flash (free)