MiMo-V2.6-Pro
AvailableMiMo-V2.6-Pro is Xiaomi MiMo's flagship open-weights model released 2026-09-21, succeeding the proprietary MiMo-V2.5-Pro. Sparse Mixture-of-Experts (MiMoV2ForCausalLM): 1.02T total / 42B active parameters, 70 layers (60 sliding-window + 10 global attention), 384 routed experts with 8 activated per token, hybrid SWA+GA backbone, 681M MiMo ViT vision encoder, and MTP blocks. Natively omnimodal (text, image, video, audio input; text output); 1,048,576-token context window and 128,000 max output tokens. Open weights on Hugging Face (XiaomiMiMo/MiMo-V2.6-Pro-RL) under MIT, ungated. Trained with a "You Only RL Once" mixed-RL recipe across coding, agents, visual, and cybersecurity. Overseas API pricing: $0.435 / 1M input (cache-hit $0.0036), $0.87 / 1M output. Artificial Analysis reports an Intelligence Index of 46, a top open-weight score.
Specifications
- License
- Open source · MIT
- Weights
- Downloadable
- Architecture
- Mixture-of-Experts
- Parameters
- 1.0T · 42B active
- Context window
- 1.0M tokens
- Max output
- 128K tokens
- Knowledge cutoff
- —
- Price (in / out, $/M)
- $0.435 / $0.87
- Modalities
- TextVisionVideoAudioCode
Benchmarks
No benchmark scores recorded yet. Spotted some? Submit a correction.
Vendor-reported figures are claims until independently verified. See methodology.