MiniMax-M2.1 Lightning
MiniMax-M2.1 Lightning is a reasoning model from MiniMax released on Dec 23, 2025. It reads text and writes text, with a 205K token context window and up to 131K tokens per reply.
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It costs $0.30 per million input tokens and $2.40 per million output tokens. Cached input bills at $0.03, 90% less than fresh input.
It supports tool calling and prompt caching, and its weights are open, so you can host it yourself.
4 providers serve it, including Vercel AI Gateway, DevPass (LLM Gateway) and LLM Gateway. The lowest input price is $0.12 per million tokens at DevPass (LLM Gateway).
- Modalities
- In / out price
- $0.30 / $2.40 per 1M
- Context
- 205K
- Max output
- 131K
- Released
- Dec 23, 2025
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
MiniMax-M2.1 Lightning pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.30 / 1M tokens | |
|---|---|---|
| Output | $2.40 / 1M tokens | |
| Cached input (read) | $0.03 / 1M tokens | 90% off input |
| Cache write | $0.375 / 1M tokens |
MiniMax-M2.1 Lightning providers
4 providers serve it, including Vercel AI Gateway, DevPass (LLM Gateway) and LLM Gateway. The lowest input price is $0.12 per million tokens at DevPass (LLM Gateway). Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Vercel AI Gateway | $0.30 | $2.40 | $0.03 | 205K | 131K |
| DevPass (LLM Gateway) | $0.12 | $0.48 | – | 197K | 131K |
| LLM Gateway | $0.12 | $0.48 | – | 197K | 131K |
| Ofox | $0.30 | $2.40 | $0.03 | 205K | 131K |
What MiniMax-M2.1 Lightning costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call MiniMax-M2.1 Lightning through an OpenAI compatible API.
- Tools
tools - Reasoning
reasoning - Temperature
temperature
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MiniMax-M2.1 Lightning questions
How much does the MiniMax-M2.1 Lightning API cost?
$0.30 per million input tokens and $2.40 per million output tokens, with cached input at $0.03. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of MiniMax-M2.1 Lightning?
204,800 tokens of input, and it can write up to 131,072 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve MiniMax-M2.1 Lightning?
4 providers serve it, including Vercel AI Gateway, DevPass (LLM Gateway) and LLM Gateway. The lowest input price is $0.12 per million tokens at DevPass (LLM Gateway). Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does MiniMax-M2.1 Lightning support tool calling?
Yes. It accepts tool definitions, which is what an agent needs to call your APIs.
Is MiniMax-M2.1 Lightning open source?
Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.
When was MiniMax-M2.1 Lightning released?
Dec 23, 2025.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on MiniMax-M2.1 Lightning?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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