MiMo-V2 Series: Xiaomi's Trillion-Parameter Agent Model

Xiaomi launches MiMo-V2-Pro (1T+ parameter reasoning model) and MiMo-V2-Omni (unified multimodal model). Pro approaches Claude Opus 4.6 at 1/6th the price. Now available on APIYI.

Key Highlights

• Trillion Parameters: MiMo-V2-Pro has 1T+ total parameters, 42B active, MoE architecture
• Near-Top Performance: AA Intelligence Index 49 (#8 globally), ClawEval 61.5 approaching Opus 4.6 (66.3), coding surpasses Sonnet 4.6
• 1/6th the Price: Pro at $1 input / $3 output per M tokens — roughly 1/6th of GPT-5.2 and Opus 4.6
• Full Multimodal: MiMo-V2-Omni accepts text, image, video, and audio — with 10+ hours continuous audio understanding
• 1M Context: Pro supports 1 million token context window

Background

On March 18-19, 2026, Xiaomi officially launched the MiMo-V2 model family. MiMo-V2-Pro had previously been circulating anonymously on OpenRouter under the codename “Hunter Alpha”, generating significant buzz before Xiaomi claimed ownership.

MiMo-V2-Pro is designed as an agentic foundation model optimized for orchestrating complex workflows, tool use, and code execution. MiMo-V2-Omni is a unified multimodal model that natively processes text, image, video, and audio — claimed to be the first omni model supporting 10+ hours of continuous audio understanding.

Both models are now available on APIYI.

Detailed Analysis

Core Features

Trillion-Parameter MoE

Pro: 1T+ total params, 42B active, 7:1 hybrid attention ratio

Exceptional Value

Pro at $1/$3 per M tokens — ~1/6th the cost of comparable models

Full Multimodal

Omni accepts text, image, video, and audio inputs natively

1M Context

Pro: 1M token context window, 131,072 max output tokens

MiMo-V2-Pro Performance

Benchmark	MiMo-V2-Pro	Claude Opus 4.6	GPT-5.2	Notes
AA Intelligence Index	49	—	—	#8 globally, #2 Chinese LLM
ClawEval	61.5	66.3	50.0	Agentic benchmark
Coding	Surpasses Sonnet 4.6	—	—	Code generation & understanding

MiMo-V2-Omni Performance

Benchmark	MiMo-V2-Omni	Comparison	Notes
AA Intelligence Index	43	avg. 14	Far above average
BigBench Audio	94.0	—	Audio understanding
MMAU-Pro	69.4	—	Multimodal audio understanding
Image Understanding	Surpasses Opus 4.6	MMMU-Pro, CharXiv	Visual reasoning
Audio Understanding	Surpasses Gemini 3 Pro	—	Environmental sounds, multi-speaker

Technical Specs

Spec	MiMo-V2-Pro	MiMo-V2-Omni
Context Window	1,000,000 tokens	256,000 tokens
Max Output	131,072 tokens	—
Input Modalities	Text + image	Text + image + video + audio
Output	Text	Text
Architecture	MoE (1T+ total, 42B active)	Unified multimodal
Special	Chain-of-thought, agentic workflows	10+ hour continuous audio

Getting Started

Code Example

from openai import OpenAI

client = OpenAI(
    api_key="your-api-key",
    base_url="https://api.apiyi.com/v1"
)

# MiMo-V2-Pro - complex reasoning and coding
response = client.chat.completions.create(
    model="mimo-v2-pro",
    messages=[
        {"role": "user", "content": "Design a high-concurrency message queue architecture supporting 1M+ TPS..."}
    ]
)
print(response.choices[0].message.content)

# MiMo-V2-Omni - multimodal understanding
response = client.chat.completions.create(
    model="mimo-v2-omni",
    messages=[
        {
            "role": "user",
            "content": [
                {"type": "text", "text": "Describe the contents of this image"},
                {"type": "image_url", "image_url": {"url": "https://example.com/image.png"}}
            ]
        }
    ]
)
print(response.choices[0].message.content)

Recommended Use Cases

MiMo-V2-Pro

Complex coding, agentic workflows, deep reasoning, long document analysis (1M context)

MiMo-V2-Omni

Video understanding, audio transcription & analysis, multimodal document parsing, chart analysis

Pricing & Availability

Pricing

Model	Input Price	Output Price	Notes
mimo-v2-pro (up to 256K)	$1.00 / M tokens	$3.00 / M tokens	Reasoning model with CoT
mimo-v2-pro (256K–1M)	$2.00 / M tokens	$6.00 / M tokens	Extended context
mimo-v2-omni	$0.40 / M tokens	$2.00 / M tokens	Full multimodal

MiMo-V2-Pro is priced at roughly 1/6th of Claude Opus 4.6 and GPT-5.2 — exceptional value.

Deposit Bonuses

Top-up promotions apply. See promotion details.

Summary & Recommendations

The MiMo-V2 series is Xiaomi’s major AI play. Pro approaches Opus 4.6 on agentic benchmarks with its trillion-parameter architecture and 1M context, at just 1/6th the price. Omni’s unified multimodal understanding — especially 10+ hour audio — stands out among competitors.

Recommendation: Choose Pro for high-value reasoning and coding tasks. Choose Omni for multimodal understanding, especially audio and video.

MiMo-V2 series was recently launched. Implement proper error handling for production use and watch for updates.

Sources: Xiaomi official site mimo.xiaomi.com, Artificial Analysis benchmarks, OpenRouter pricing. Data retrieved: March 2026.