MiniMax M2.1
MiniMaxhuggingface.co/MiniMaxAI/MiniMax-M2.1
MiniMax-M2.1 is a lightweight, state-of-the-art large language model optimized for coding, agentic workflows, and modern application development. With only 10 billion activated parameters, it delivers a major jump in real-world...
Updated 33 min ago · first seen 11 Sept 2026
model_01M294WW6Q1EGFNFNV6JFJVEPB
- Parameters
- 228.7B
- T2 · 1 h ago
- Context
- 204.8K tokens
- T2 · 1 h ago
- Released
- 20 Dec 2025
- T2 · 33 min ago
- License
- other
- T2 · 33 min ago
Specification
- Release date
- 20 Dec 2025
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Openness
- open-weights
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 1 h agomedium
- License
- other
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Architecture
- MiniMaxM2ForCausalLM
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Parameters
- 228.7B
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 1 h agomedium
- Context window
- 204.8K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
- Max output
- 131.1K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
- Modalities
- text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
- Input modalities
- text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
- Output modalities
- text
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
- Quantization format
- fp8
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- File size
- 230.1 GB
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Hugging Face repo
- MiniMaxAI/MiniMax-M2.1
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
- Pipeline tag
- text-generation
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 1 h agomedium
- Model card
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 1 h agomedium
- Downloads
- 29,682
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Likes
- 1,359
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Gated
- No
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Hf inference providers
- featherless-ai, novita
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Is quantized
- Yes
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Last modified
- 2026-02-13T09:24:21+00:00
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 1 h agomedium
- Library name
- transformers
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- License url
- https://github.com/MiniMax-AI/MiniMax-M2.1/blob/main/LICENSE
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Downloads all time
- 487,191
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Model type
- minimax_m2
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Openrouter id
- minimax/minimax-m2.1
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
- Supported parameters
- frequency_penalty, include_reasoning, max_tokens, presence_penalty, reasoning, repetition_penalty, response_format, seed, stop, temperature, tool_choice, tools, top_k, top_p
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
- Tags
- transformers, safetensors, minimax_m2, text-generation, custom_code, fp8
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
- Weights dtype
- BF16, F32, F8_E4M3
Source:Hugging Face Hub (public pages, model cards, papers)T2observed 33 min agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
33
Source tiers
T233
Freshest observation
33 min ago
Conflicts
None
Modalities
- Modalities
- text
- Input
- text
- Output
- text
Capabilities
Tool calling
Yes
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Yes
OpenRouter public model & pricing listing · T2
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 204.8K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
- Max output
- 131.1K tokens
Source:OpenRouter public model & pricing listingT2observed 1 h agomedium
No benchmark results recorded
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| MiniMax APIminimax/minimax-m2.1 | $0.30 | $1.2 | $0.03 | — | 204.8K | 1 h ago | openrouter.aiT2 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 1
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- MiniMax API
Memory need = bytes per parameter (4-bit ≈ 0.5 × 1.15 overhead, 8-bit 1.0, fp16 2.0) + a KV-cache allowance. Not a measurement.
| Hardware | Quantization | Memory | Est. need | Fits |
|---|---|---|---|---|
| Apple M3 Ultra | 4bit | — | 132.0 GB | Yes |
| AMD Instinct MI325X | 4bit | 256 GB | 132.0 GB | Yes |
| AMD Instinct MI300X | 4bit | 192 GB | 132.0 GB | Yes |
| Apple M2 Ultra | 4bit | — | 132.0 GB | Yes |
| NVIDIA B200 | 4bit | 180 GB | 132.0 GB | Yes |
| NVIDIA H200 | 4bit | 141 GB | 132.0 GB | Yes |
| Apple M1 Ultra | 4bit | — | 132.0 GB | No |
| Apple M3 Max | 4bit | — | 132.0 GB | No |
| Apple M4 Max | 4bit | — | 132.0 GB | No |
| NVIDIA DGX Spark | 4bit | 128 GB | 132.0 GB | No |
| Apple M2 Max | 4bit | — | 132.0 GB | No |
| NVIDIA A100 80GB | 4bit | 80 GB | 132.0 GB | No |
| NVIDIA H100 SXM | 4bit | 80 GB | 132.0 GB | No |
| Apple M1 Max | 4bit | — | 132.0 GB | No |
| Apple M4 Pro | 4bit | — | 132.0 GB | No |
| Apple M3 Pro | 4bit | — | 132.0 GB | No |
| Apple M1 Pro | 4bit | — | 132.0 GB | No |
| Apple M2 Pro | 4bit | — | 132.0 GB | No |
| Apple M4 | 4bit | — | 132.0 GB | No |
| NVIDIA GeForce RTX 5090 | 4bit | 32 GB | 132.0 GB | No |
| Apple M2 | 4bit | — | 132.0 GB | No |
| Apple M3 | 4bit | — | 132.0 GB | No |
| NVIDIA GeForce RTX 3090 | 4bit | 24 GB | 132.0 GB | No |
| NVIDIA GeForce RTX 4090 | 4bit | 24 GB | 132.0 GB | No |
| Apple M1 | 4bit | — | 132.0 GB | No |
Ancestors 0
None recorded.
Descendants 0
None recorded.
Papers 1
- arXiv:2509.06501Active35
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history · Structured output
Structured outputstructured_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
MiniMax M2.1: release date changed from 2025-12-23 to 2025-12-20
Release date23 Dec 2025→20 Dec 2025huggingfaceMiniMax API lists MiniMax M2.1 at $0.3 in / $1.2 out per 1M tokens
openrouter
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Hugging Face Hub (public pages, model cards, papers) | huggingface.co/MiniMaxAI/MiniMax-M2.1 | model_page | T2· Quality secondary | 31 min ago | 1 |
| Hugging Face Hub (public pages, model cards, papers) | huggingface.co/cerebras/MiniMax-M2.1-REAP-139B-A10B | model_page | T2· Quality secondary | 49 min ago | 2 |
| Hugging Face Hub (public pages, model cards, papers) | huggingface.co/models?author=MiniMaxAI&p=0&sort=downloads | listing | T2· Quality secondary | 1 h ago | 2 |
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 1 h ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.