Model

MiMo-V2.5-Pro

OPEN

Xiaomi · MiMo family · released Apr 22, 2026

Xiaomi's flagship coding/agentic model, 1.02T total / 42B active MoE, 1M context, fully open-sourced under MIT. Optimized for very long agentic trajectories (1,000+ tool calls); unlike sibling MiMo-V2.5, it is text-only (no native image/video/audio encoders).

ReasoningCodingVisionFunction callingTool useAgentic

2161.7

Elo · rank #76

Parameters

1020B

Active params

42B (MoE)

Context

1M tokens

Architecture

Sparse MoE (384 routed experts, 8/token), 70 layers (1 dense + 69 MoE), hybrid Sliding-Window+Global attention 6:1 with learnable attention-sink bias, 3x MTP modules; text-only (no native vision/audio encoders)

License

MIT

Languages

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API price (in/out)

$0.435 / $0.87

Modalities

text

Benchmark results

Bar shows position within the tracked field; marker = field best

Arena EloHuman preference1466#27

best: Claude Fable 5 · 1504

GDPval-AAAgents1581#16

best: Claude Fable 5 · 1932

GPQA DiamondReasoning86.6%#58

best: GPT-6 Astra · 96.0%

Humanity's Last ExamReasoning33.8%#49

best: Claude Opus 5.5 · 67.7%

IFBenchReasoning79.9%#8

best: MiniMax M3 · 83.0%

LiveCodeBenchCoding81.3%#48

best: DeepSeek-V4-Pro (Think Max) · 93.5%

MMLU-ProKnowledge84.6%#31

best: Claude Fable 5 · 91.5%

PinchBenchAgents87.5%#4

best: Trinity-Large-Thinking · 91.9%

SWE-bench ProCoding57.2%#29

best: Claude Opus 5.5 · 89.9%

SWE-bench VerifiedCoding74.0%#60

best: Claude Opus 5 · 97.0%

τ²-Bench TelecomAgents94.2%#15

best: Claude Opus 4.6 · 99.3%

τ³-BankingAgents8.7%#8

best: Step 5 Preview · 42.5%

Terminal-Bench 2.0Coding57.3%#52

best: DeepSeek-V4.1-Flash · 90.6%

Run it locally

VRAM @ Q4

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VRAM @ FP16

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Fits on (Q4)

Multi-node cluster required

Throughput data unavailable.

Quantizations

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Fine-tune it

Permissive

QLoRA693.6 GB4× B200 192GB

LoRA2172.6 GBbeyond 8× B200

Full fine-tune16371.0 GBbeyond 8× B200

QLoRA SFT on ~10k samples ≈ $15.02 (4× B200 192GB)

Plan a fine-tune →

MiMo family

Elo progression across releases

MiMo-V2.5Apr 20262004.5 MiMo-V2.5-ProApr 20262161.7 MiMo-V2.6-FlashSep 20262834.2 MiMo-V2.6-ProSep 20263019.9

Resources

HFXiaomiMiMo/MiMo-V2.5-Pro DOCShttps://mimo.xiaomi.com/mimo-v2-5-pro/APIAvailable via Xiaomi API

API price $0.435/$0.87 · each benchmark row carries its own source badge (see methodology)