What is MiMo-V2.5?

On May 12, 2026, Xiaomi officially launched the public beta of its MiMo-V2.5 series. This next-generation large language model marks Xiaomi shift from "functional" to "user-centric" AI. The series includes MiMo-V2.5, the high-performance V2.5-Pro, and accompanying TTS/ASR models.

Key Features

  • Agentic Powerhouse (V2.5-Pro): Rivals top global models like GPT-5.4 and Claude Opus 4.6 in general intelligence and software engineering. Completed a full SysY compiler task in just 4.3 hours with a perfect score.
  • Self-Development Capability: With a single instruction, the model independently built a complex 8,192-line web video editor through 1,868 tool calls.
  • Native Multimodality: Seamlessly integrates visual, auditory, and textual understanding, excelling in video understanding and chart analysis.
  • Massive Context Window: Supports up to a 1 million token context, with a token efficiency 42-50% higher than industry benchmarks.

Pricing (Developer-Focused)

  • Simple Rate: No price difference between 256k and 1M contexts. MiMo-V2.5 is billed at 1x, Pro at 2x.
  • Off-Peak Discount: 80% discount daily from 00:00 to 08:00.
  • Future: Xiaomi has announced the model series will soon be open-sourced globally.

Pros

  • Exceptional software engineering and autonomous task completion.
  • Massive 1M token context window with high efficiency.
  • Truly native multimodal capabilities.
  • Aggressive pricing and planned open-source release.
  • Proven performance on complex, real-world coding tasks.

Cons

  • Still in public beta, so refinements are ongoing.
  • Requires technical expertise to utilize effectively.
  • Long-term support and community ecosystem are yet to be built.
  • Access may be region-restricted initially.

Who Should Use It?

Perfect for: AI agents, software engineers, researchers, and enterprises looking for a cost-effective, powerful, and soon-to-be open-source alternative to Western models.

Verdict

MiMo-V2.5-Pro is a startling entry from Xiaomi, proving they can compete with the best. Its performance on agentic tasks and the promise of open-sourcing make it a model to watch closely.

Rating: 4.5/5 - A new, powerful force in the LLM arena.